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+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> comparison </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
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+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">comparison</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ The purpose of the comparison page is not only to show how compression ratios and encoding times using the flac reference encoder compare to other lossless encoders, but also to compare features (for example, some coders archive only and files must be uncompressed completely before playback can start). Keep a few things in mind:
+ </P>
+ <P>
+ <UL>
+ <LI>
+ As far as I know, only two of the lossless encoders out there (flac and Shorten) are truly free. Most others give out free binaries, but without access to the source, you are leaving your data to the whim of the maintainer for eternity; you have no way to port the program to another OS or fix it if it breaks. This can be a serious drawback unless the format has world-class clout (like MP3).
+ </LI>
+ <LI>
+ The compression ratios and times are representative only of the reference encoder. They are not indicative of the limits of all FLAC encoders or the FLAC format itself since the format is open and extensible, and anyone is free to write a better FLAC encoder. And it is almost certain that the reference encoder itself will improve.
+ </LI>
+ <LI>
+ Since FLAC supports streaming, it is at a slight disadvantage to the formats that don't because they don't have the extra overhead of all those frame headers.
+ </LI>
+ </UL>
+ </P>
+ <P>
+ I make an effort to keep this information as accurate as possible, but if any of the data is wrong, <A HREF="mailto:jcoalson@users.sourceforge.net">let me know</A> and I'll correct it.
+ </P>
+ <P>
+ Reviewed encoders:
+ </P>
+ <P>
+ <UL>
+ <LI>
+ <A HREF="index.html">flac</A> of course.
+ </LI>
+ <LI>
+ <A HREF="http://www-ft.ee.tu-berlin.de/~liebchen/lpac.html">LPAC</A> - A closed source codec. At least it's available for more than just Windows, but there's only a Winamp plugin.
+ </LI>
+ <LI>
+ <A HREF="http://www.monkeysaudio.com/">Monkey's Audio</A> - A closed source, Windows-only codec, with a Winamp plugin.
+ </LI>
+ <LI>
+ <A HREF="http://www.jpg.com/products/sound.html">Pegasus-SPS</A> - A closed source, Windows-only codec.
+ </LI>
+ <LI>
+ <A HREF="http://rksoft.virtualave.net/">RKAU</A> - A closed source, Windows-only codec.
+ </LI>
+ <LI>
+ <A HREF="http://www.softsound.com/Shorten.html">Shorten</A> - A.J. Robinson's well-known codec; source is available <A HREF="http://rpmfind.net/linux/rpm2html/search.php?query=shorten">here</A>.
+ </LI>
+ <LI>
+ <A HREF="http://www.gadgetlabs.com/wavezip.htm">WaveZIP</A> - A closed source, Windows-only archiver. Uses the <A HREF="http://members.aol.com/_ht_a/sndspace/index.html">MUSICompress</A>[tm] engine which supposedly has a patent.
+ </LI>
+ <LI>
+ <A HREF="http://www.wavpack.com/">WavPack</A> - A closed source, Windows-only archiver.
+ </LI>
+ </UL>
+ </P>
+ <P>
+ Encoders I couldn't get a copy of:
+ </P>
+ <P>
+ <UL>
+ <LI>
+ AudioPak
+ </LI>
+ <LI>
+ WavARC
+ </LI>
+ </UL>
+ </P>
+ <P>
+ If you take maximum compression ratio and speed out of the picture (as you will see later, most coders exhibit similar performance), here is a subjective sort based on overall "usefulness". As far as features go, having source code gives you the most freedom since you can add anything you need that is missing; besides, open source projects tend to get better faster than closed source ones. A close second (depending on the user) would be OS support or plugin support.
+ </P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD ALIGN="RIGHT">
+ <FONT SIZE="+1"><B>Codec</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Source Available?</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Plugins Available?</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Streamable?</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Seekable?</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Cost</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>OS support</B></FONT>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" BGCOLOR="#F4F4CC">
+ flac v0.2
+ </TD>
+ <TD>
+ YES
+ </TD>
+ <TD>
+ YES (Winamp, XMMS)
+ </TD>
+ <TD>
+ YES
+ </TD>
+ <TD>
+ YES
+ </TD>
+ <TD>
+ FREE
+ </TD>
+ <TD>
+ ANY (source)
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" BGCOLOR="#F4F4CC">
+ Shorten v2.3a
+ </TD>
+ <TD>
+ YES
+ </TD>
+ <TD>
+ YES (Winamp plugin somewhere)
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD>
+ FREE
+ </TD>
+ <TD>
+ ANY (source)
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" BGCOLOR="#F4F4CC">
+ LPAC v1.20 (codec 2.0)
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD>
+ YES (Winamp only)
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no?
+ </TD>
+ <TD>
+ YES
+ </TD>
+ <TD>
+ FREE
+ </TD>
+ <TD>
+ Windows/Linux/Solaris
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" BGCOLOR="#F4F4CC">
+ Monkey's Audio v3.71
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD>
+ YES (Winamp only)
+ </TD>
+ <TD>
+ YES
+ </TD>
+ <TD>
+ YES
+ </TD>
+ <TD>
+ FREE
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ Windows only
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" BGCOLOR="#F4F4CC">
+ RKAU v1.06
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD>
+ YES (Winamp only)
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD>
+ YES
+ </TD>
+ <TD>
+ FREE
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ Windows only
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" BGCOLOR="#F4F4CC">
+ WavPack v3.6
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD>
+ FREE
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ Windows only
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" BGCOLOR="#F4F4CC">
+ WaveZIP v2
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD>
+ FREE (24-bit costs $)
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ Windows only
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" BGCOLOR="#F4F4CC">
+ Pegasus-SPS
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ no
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ $39 (free trial)
+ </TD>
+ <TD BGCOLOR="#D3D4C5">
+ Windows only
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+ <P>
+ The machine I used for encoding the test files is a PII-333 with 256 megs of RAM, running Windows NT 4.0 SP5. Unfortunately, Windows is the lowest-common-denominator platform for all the encoders.
+ </P>
+ <P>
+ The input corpus currently consists entirely of CD music tracks. In the future it may include more kinds of input (like speech, other sample rates, etc). There are ??? tracks whose genres range from death metal to pop to western classical to Indian classical.
+ </P>
+ <P>
+ In all tables, the results are sorter by compression ratio, which is compressed size / uncompressed size. The first table is a summary of results on all input tracks. The remaining table shows the results of the encoders on each track.
+ </P>
+ <P>
+ Some interesting things to note: LPAC quality settings are not too stable with -r (which allows seeking during playback) turned on. In most cases the 'normal' mode makes the smallest file, and much faster. RKAU also has a tendency to get bigger in the 'high' mode. Shorten's method for quantizing and transmitting the LPC coefficients is not very good which is the main reason why the fixed predictors runs are both smaller and faster.
+ </P>
+ <P>
+ Another ironic fact is that the encoders that are patented or cost money turn out to be the worst by most measures. SPS is so archane and crippled that I gave up trying to put together results for it after one track.
+ </P>
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Encoder</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Encode time</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Compressed size</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Compression ratio</B></FONT>
+ </TD>
+ </TR>
+ <TR><TD>Monkey's Audio 3.80 (extra high)</TD><TD>20:24.18</TD><TD>381.85 MB</TD><TD>0.5073</TD></TR>
+ <TR BGCOLOR="#D3D4C5"><TD>RKAU 1.06 (normal)</TD><TD>52:53.46</TD><TD>383.36 MB</TD><TD>0.5093</TD></TR>
+ <TR><TD>RKAU 1.06 (high)</TD><TD>133:25.36</TD><TD>383.75 MB</TD><TD>0.5098</TD></TR>
+ <TR BGCOLOR="#D3D4C5"><TD>Monkey's Audio 3.80 (high)</TD><TD>7:45.75</TD><TD>387.97 MB</TD><TD>0.5154</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, normal)</TD><TD>20:49.34</TD><TD>393.16 MB</TD><TD>0.5223</TD></TR>
+ <TR BGCOLOR="#D3D4C5"><TD>LPAC 1.20 (-r, high)</TD><TD>88:20.18</TD><TD>393.12 MB</TD><TD>0.5223</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>109:27.86</TD><TD>393.93 MB</TD><TD>0.5234</TD></TR>
+ <TR BGCOLOR="#D3D4C5"><TD>flac 0.2 (-6)</TD><TD>41:11.46</TD><TD>399.30 MB</TD><TD>0.5305</TD></TR>
+ <TR><TD>WavPack 3.6 (high)</TD><TD>10:05.48</TD><TD>403.70 MB</TD><TD>0.5363</TD></TR>
+ <TR BGCOLOR="#D3D4C5"><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>6:41.17</TD><TD>417.24 MB</TD><TD>0.5543</TD></TR>
+ <TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>9:16.47</TD><TD>422.59 MB</TD><TD>0.5614</TD></TR>
+ <TR BGCOLOR="#D3D4C5"><TD>WaveZip</TD><TD>8:24.17</TD><TD>435.06 MB</TD><TD>0.5780</TD></TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+ <P>
+ Here are the results for each individual track.
+ </P>
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD ALIGN="RIGHT">
+ <FONT SIZE="+1"><B>Track</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Encoder</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Encode time</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Compressed size</B></FONT>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1"><B>Compression ratio</B></FONT>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="14" BGCOLOR="#F4F4CC">
+ Dream Theater<BR><I>6:00</I><BR>58.47 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>1:39.08</TD><TD>43.70 MB</TD><TD>0.7475</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:41.98</TD><TD>43.85 MB</TD><TD>0.7500</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>8:12.44</TD><TD>43.87 MB</TD><TD>0.7503</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>2:59.56</TD><TD>43.88 MB</TD><TD>0.7504</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>flac 0.2 (-6)</TD><TD>3:13.55</TD><TD>44.38 MB</TD><TD>0.7591</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>6:51.24</TD><TD>44.42 MB</TD><TD>0.7598</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:45.72</TD><TD>44.44 MB</TD><TD>0.7601</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>7:50.80</TD><TD>44.44 MB</TD><TD>0.7601</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:47.79</TD><TD>44.74 MB</TD><TD>0.7653</TD></TR>
+ <TR><TD>WavPack 3.6 (high)</TD><TD>0:49.21</TD><TD>45.37 MB</TD><TD>0.7760</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Pegasus-SPS</TD><TD>4:45.00</TD><TD>45.40 MB</TD><TD>0.7765</TD></TR>
+ <TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:34.50</TD><TD>46.68 MB</TD><TD>0.7984</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WaveZip</TD><TD>0:38.99</TD><TD>47.22 MB</TD><TD>0.8077</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Tool<BR><I>Forty-six & 2</I><BR>64.25 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>1:48.94</TD><TD>39.30 MB</TD><TD>0.6116</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:33.43</TD><TD>39.51 MB</TD><TD>0.6149</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (normal)</TD><TD>3:34.75</TD><TD>39.93 MB</TD><TD>0.6214</TD></TR>
+ <TR><TD>RKAU 1.06 (high)</TD><TD>8:37.42</TD><TD>39.97 MB</TD><TD>0.6220</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:52.22</TD><TD>40.57 MB</TD><TD>0.6314</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>7:36.55</TD><TD>40.61 MB</TD><TD>0.6320</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>9:49.64</TD><TD>40.71 MB</TD><TD>0.6336</TD></TR>
+ <TR><TD>flac 0.2 (-6)</TD><TD>3:35.02</TD><TD>41.01 MB</TD><TD>0.6383</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:52.37</TD><TD>41.72 MB</TD><TD>0.6492</TD></TR>
+ <TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:50.22</TD><TD>43.05 MB</TD><TD>0.6701</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:35.93</TD><TD>43.19 MB</TD><TD>0.6722</TD></TR>
+ <TR><TD>WaveZip</TD><TD>0:42.84</TD><TD>44.52 MB</TD><TD>0.6930</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Cannibal Corpse<BR><I>Mummified In Barbed Wire</I><BR>33.37 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>0:49.20</TD><TD>23.47 MB</TD><TD>0.7033</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:23.25</TD><TD>23.66 MB</TD><TD>0.7087</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:01.16</TD><TD>23.75 MB</TD><TD>0.7116</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>5:13.57</TD><TD>23.92 MB</TD><TD>0.7168</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>6:04.27</TD><TD>23.95 MB</TD><TD>0.7175</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>1:32.20</TD><TD>24.04 MB</TD><TD>0.7202</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>3:21.70</TD><TD>24.04 MB</TD><TD>0.7202</TD></TR>
+ <TR><TD>flac 0.2 (-6)</TD><TD>1:50.43</TD><TD>24.31 MB</TD><TD>0.7285</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:27.03</TD><TD>25.12 MB</TD><TD>0.7525</TD></TR>
+ <TR><TD>WavPack 3.6 (high)</TD><TD>0:28.07</TD><TD>25.44 MB</TD><TD>0.7621</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:19.85</TD><TD>26.59 MB</TD><TD>0.7966</TD></TR>
+ <TR><TD>WaveZip</TD><TD>0:22.25</TD><TD>26.89 MB</TD><TD>0.8058</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Alanis Morisette<BR><I>Hand In My Pocket</I><BR>39.09 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>1:03.98</TD><TD>22.85 MB</TD><TD>0.5845</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:25.70</TD><TD>23.04 MB</TD><TD>0.5893</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>5:54.68</TD><TD>23.16 MB</TD><TD>0.5925</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>2:23.63</TD><TD>23.19 MB</TD><TD>0.5933</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:07.58</TD><TD>23.45 MB</TD><TD>0.6000</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>4:47.03</TD><TD>23.49 MB</TD><TD>0.6008</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>5:50.53</TD><TD>23.52 MB</TD><TD>0.6016</TD></TR>
+ <TR><TD>flac 0.2 (-6)</TD><TD>2:10.43</TD><TD>23.55 MB</TD><TD>0.6023</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:31.44</TD><TD>24.30 MB</TD><TD>0.6217</TD></TR>
+ <TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:30.45</TD><TD>24.72 MB</TD><TD>0.6324</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:21.93</TD><TD>25.33 MB</TD><TD>0.6478</TD></TR>
+ <TR><TD>WaveZip</TD><TD>0:28.05</TD><TD>25.95 MB</TD><TD>0.6638</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Gloria Estefan<BR><I>Conga</I><BR>45.15 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>1:15.79</TD><TD>30.12 MB</TD><TD>0.6670</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:29.68</TD><TD>30.32 MB</TD><TD>0.6716</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>flac 0.2 (-6)</TD><TD>2:35.05</TD><TD>30.82 MB</TD><TD>0.6825</TD></TR>
+ <TR><TD>RKAU 1.06 (high)</TD><TD>6:52.69</TD><TD>30.83 MB</TD><TD>0.6828</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (normal)</TD><TD>2:41.42</TD><TD>30.87 MB</TD><TD>0.6837</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, normal)</TD><TD>1:20.29</TD><TD>31.03 MB</TD><TD>0.6871</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:37.15</TD><TD>31.04 MB</TD><TD>0.6875</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>5:33.21</TD><TD>31.06 MB</TD><TD>0.6879</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>6:39.28</TD><TD>31.11 MB</TD><TD>0.6889</TD></TR>
+ <TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:35.51</TD><TD>31.76 MB</TD><TD>0.7033</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:24.65</TD><TD>32.62 MB</TD><TD>0.7223</TD></TR>
+ <TR><TD>WaveZip</TD><TD>0:29.42</TD><TD>33.02 MB</TD><TD>0.7313</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Cream<BR><I>White Room</I><BR>53.01 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>8:15.46</TD><TD>34.30 MB</TD><TD>0.6469</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>3:12.99</TD><TD>34.35 MB</TD><TD>0.6479</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>1:28.45</TD><TD>34.65 MB</TD><TD>0.6535</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:24.17</TD><TD>34.91 MB</TD><TD>0.6586</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>1:34.16</TD><TD>35.10 MB</TD><TD>0.6621</TD></TR>
+ <TR><TD>flac 0.2 (-6)</TD><TD>3:00.29</TD><TD>35.14 MB</TD><TD>0.6629</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, high)</TD><TD>6:39.29</TD><TD>35.17 MB</TD><TD>0.6633</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>7:39.28</TD><TD>35.19 MB</TD><TD>0.6638</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:40.44</TD><TD>35.39 MB</TD><TD>0.6676</TD></TR>
+ <TR><TD>WavPack 3.6 (high)</TD><TD>0:44.18</TD><TD>35.82 MB</TD><TD>0.6758</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:29.49</TD><TD>36.39 MB</TD><TD>0.6864</TD></TR>
+ <TR><TD>WaveZip</TD><TD>0:35.77</TD><TD>37.13 MB</TD><TD>0.7004</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Maurice Ravel<BR><I>Fanfare from "L'eventail de Jeanne"</I><BR>20.82 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (normal)</TD><TD>1:46.51</TD><TD>6.86 MB</TD><TD>0.3297</TD></TR>
+ <TR><TD>RKAU 1.06 (high)</TD><TD>3:53.54</TD><TD>6.90 MB</TD><TD>0.3316</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>0:30.30</TD><TD>7.09 MB</TD><TD>0.3407</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, normal)</TD><TD>0:30.93</TD><TD>7.47 MB</TD><TD>0.3586</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>3:06.27</TD><TD>7.48 MB</TD><TD>0.3591</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>2:21.16</TD><TD>7.48 MB</TD><TD>0.3593</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (high)</TD><TD>0:12.58</TD><TD>7.56 MB</TD><TD>0.3634</TD></TR>
+ <TR><TD>flac 0.2 (-6)</TD><TD>1:02.16</TD><TD>7.82 MB</TD><TD>0.3755</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:16.11</TD><TD>7.99 MB</TD><TD>0.3838</TD></TR>
+ <TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:07.92</TD><TD>8.16 MB</TD><TD>0.3921</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:13.88</TD><TD>8.28 MB</TD><TD>0.3977</TD></TR>
+ <TR><TD>WaveZip</TD><TD>0:13.11</TD><TD>8.72 MB</TD><TD>0.4193</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Maurice Ravel<BR><I>String Quartet (4th movement)</I><BR>56.18 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>1:29.26</TD><TD>20.87 MB</TD><TD>0.3715</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>3:51.42</TD><TD>21.46 MB</TD><TD>0.3820</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (high)</TD><TD>0:34.29</TD><TD>21.55 MB</TD><TD>0.3836</TD></TR>
+ <TR><TD>RKAU 1.06 (high)</TD><TD>10:39.05</TD><TD>21.56 MB</TD><TD>0.3838</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, high)</TD><TD>6:28.14</TD><TD>22.30 MB</TD><TD>0.3969</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, normal)</TD><TD>1:28.02</TD><TD>22.32 MB</TD><TD>0.3972</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>8:13.86</TD><TD>22.38 MB</TD><TD>0.3983</TD></TR>
+ <TR><TD>WavPack 3.6 (high)</TD><TD>0:43.84</TD><TD>22.53 MB</TD><TD>0.4010</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>flac 0.2 (-6)</TD><TD>3:00.34</TD><TD>22.85 MB</TD><TD>0.4067</TD></TR>
+ <TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:29.33</TD><TD>23.63 MB</TD><TD>0.4205</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:38.05</TD><TD>25.58 MB</TD><TD>0.4552</TD></TR>
+ <TR><TD>WaveZip</TD><TD>0:36.60</TD><TD>25.84 MB</TD><TD>0.4600</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Sergei Prokofiev<BR><I>Piano Concerto No.3 (3rd movement)</I><BR>100.68 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>2:37.54</TD><TD>34.55 MB</TD><TD>0.3431</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>6:34.97</TD><TD>35.31 MB</TD><TD>0.3507</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (high)</TD><TD>1:00.47</TD><TD>35.46 MB</TD><TD>0.3521</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>10:12.47</TD><TD>35.74 MB</TD><TD>0.3549</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>18:34.20</TD><TD>35.80 MB</TD><TD>0.3555</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, extra high)</TD><TD>12:18.79</TD><TD>35.83 MB</TD><TD>0.3558</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>2:33.43</TD><TD>36.05 MB</TD><TD>0.3580</TD></TR>
+ <TR><TD>WavPack 3.6 (high)</TD><TD>1:17.06</TD><TD>37.88 MB</TD><TD>0.3762</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>flac 0.2 (-6)</TD><TD>5:15.13</TD><TD>38.56 MB</TD><TD>0.3830</TD></TR>
+ <TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:50.03</TD><TD>39.34 MB</TD><TD>0.3907</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WaveZip</TD><TD>1:05.60</TD><TD>43.67 MB</TD><TD>0.4337</TD></TR>
+ <TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>1:09.86</TD><TD>45.36 MB</TD><TD>0.4505</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Frederic Chopin<BR><I>Prelude No.24 in d minor</I><BR>27.46 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>0:42.69</TD><TD>10.53 MB</TD><TD>0.3834</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:19.69</TD><TD>10.77 MB</TD><TD>0.3921</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, high)</TD><TD>3:21.61</TD><TD>10.91 MB</TD><TD>0.3973</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, normal)</TD><TD>0:41.79</TD><TD>10.92 MB</TD><TD>0.3976</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>3:56.36</TD><TD>10.93 MB</TD><TD>0.3979</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>1:58.42</TD><TD>10.97 MB</TD><TD>0.3994</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>5:20.71</TD><TD>11.21 MB</TD><TD>0.4083</TD></TR>
+ <TR><TD>WavPack 3.6 (high)</TD><TD>0:22.32</TD><TD>11.52 MB</TD><TD>0.4193</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>flac 0.2 (-6)</TD><TD>1:26.66</TD><TD>11.77 MB</TD><TD>0.4285</TD></TR>
+ <TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:13.56</TD><TD>12.01 MB</TD><TD>0.4374</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WaveZip</TD><TD>0:18.75</TD><TD>13.08 MB</TD><TD>0.4765</TD></TR>
+ <TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:20.61</TD><TD>14.39 MB</TD><TD>0.5239</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ Domenico Scarlatti<BR><I>Sonata K.42 (arr.Yepes for guitar)</I><BR>16.39 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>0:25.79</TD><TD>6.96 MB</TD><TD>0.4245</TD></TR>
+ <TR><TD>RKAU 1.06 (high)</TD><TD>3:09.40</TD><TD>6.96 MB</TD><TD>0.4246</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (normal)</TD><TD>1:14.43</TD><TD>6.97 MB</TD><TD>0.4252</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:10.28</TD><TD>7.14 MB</TD><TD>0.4356</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>0:25.98</TD><TD>7.27 MB</TD><TD>0.4436</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>2:21.30</TD><TD>7.34 MB</TD><TD>0.4480</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>3:00.91</TD><TD>7.38 MB</TD><TD>0.4500</TD></TR>
+ <TR><TD>flac 0.2 (-6)</TD><TD>0:53.18</TD><TD>7.41 MB</TD><TD>0.4519</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:13.17</TD><TD>7.41 MB</TD><TD>0.4520</TD></TR>
+ <TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:07.99</TD><TD>7.47 MB</TD><TD>0.4558</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WaveZip</TD><TD>0:10.56</TD><TD>7.83 MB</TD><TD>0.4781</TD></TR>
+ <TR><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:10.91</TD><TD>8.20 MB</TD><TD>0.5001</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ The Benedictine Monks of<BR>Santo Domingo de Silos<BR><I>Laetatus sum</I><BR>24.26 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>3:15.29</TD><TD>12.21 MB</TD><TD>0.5031</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>1:25.48</TD><TD>12.21 MB</TD><TD>0.5034</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>0:41.19</TD><TD>12.47 MB</TD><TD>0.5138</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>0:15.69</TD><TD>12.68 MB</TD><TD>0.5228</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, normal)</TD><TD>0:41.22</TD><TD>12.75 MB</TD><TD>0.5253</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, high)</TD><TD>3:40.65</TD><TD>12.88 MB</TD><TD>0.5309</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>4:53.81</TD><TD>12.92 MB</TD><TD>0.5323</TD></TR>
+ <TR><TD>flac 0.2 (-6)</TD><TD>1:22.09</TD><TD>12.92 MB</TD><TD>0.5324</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>0:20.21</TD><TD>13.15 MB</TD><TD>0.5420</TD></TR>
+ <TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>0:12.71</TD><TD>13.28 MB</TD><TD>0.5475</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>0:17.35</TD><TD>13.41 MB</TD><TD>0.5527</TD></TR>
+ <TR><TD>WaveZip</TD><TD>0:16.37</TD><TD>13.72 MB</TD><TD>0.5655</TD></TR>
+ <TR>
+ <TD ALIGN="RIGHT" ROWSPAN="13" BGCOLOR="#F4F4CC">
+ L. Subramaniam<BR><I>Raga Sivapriya</I><BR>213.56 MB
+ </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ </TR>
+ <TR BGCOLOR="D3D4C5"><TD>RKAU 1.06 (high)</TD><TD>47:18.78</TD><TD>92.94 MB</TD><TD>0.4351</TD></TR>
+ <TR><TD>RKAU 1.06 (normal)</TD><TD>19:37.68</TD><TD>93.31 MB</TD><TD>0.4369</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Monkey's Audio (extra high)</TD><TD>5:51.97</TD><TD>95.30 MB</TD><TD>0.4462</TD></TR>
+ <TR><TD>Monkey's Audio (high)</TD><TD>2:14.54</TD><TD>97.52 MB</TD><TD>0.4566</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, high)</TD><TD>23:13.96</TD><TD>97.80 MB</TD><TD>0.4579</TD></TR>
+ <TR><TD>LPAC 1.20 (-r, normal)</TD><TD>5:46.84</TD><TD>98.04 MB</TD><TD>0.4590</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>LPAC 1.20 (-r, extra high)</TD><TD>30:04.06</TD><TD>98.10 MB</TD><TD>0.4593</TD></TR>
+ <TR><TD>flac 0.2 (-6)</TD><TD>11:47.13</TD><TD>98.76 MB</TD><TD>0.4624</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>WavPack 3.6 (high)</TD><TD>2:50.35</TD><TD>99.53 MB</TD><TD>0.4660</TD></TR>
+ <TR><TD>Shorten 2.3a (-p0 -b1024)</TD><TD>1:53.28</TD><TD>102.54 MB</TD><TD>0.4801</TD></TR>
+ <TR BGCOLOR="D3D4C5"><TD>Shorten 2.3a (-p8 -b2048)</TD><TD>2:34.37</TD><TD>102.59 MB</TD><TD>0.4803</TD></TR>
+ <TR><TD>WaveZip</TD><TD>2:25.86</TD><TD>107.47 MB</TD><TD>0.5032</TD></TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+</CENTER>
+
+</BODY>
+</HTML>
diff --git a/doc/developers.html b/doc/developers.html
new file mode 100644
index 0000000..e0cbef3
--- /dev/null
+++ b/doc/developers.html
@@ -0,0 +1,130 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <TITLE>FLAC - developers</TITLE>
+</HEAD>
+
+<BODY MARGINWIDTH="0" MARGINHEIGHT="0" LEFTMARGIN="0" RIGHTMARGIN="0" TOPMARGIN="0" BGCOLOR="#99CC99" TEXT="#000000" LINK="#336699" VLINK="#336699" ALINK="#336699">
+
+<TABLE BORDER=0 WIDTH="100%" CELLPADDING=1 CELLSPACING=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#000000"><A HREF="http://flac.sourceforge.net/"><IMG SRC="images/logo.jpg" ALIGN=CENTER ALT="FLAC Logo" BORDER=0 HSPACE=0></a></TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="25" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#D3D4C5">
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD HEIGHT=22 BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="index.html">home</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="news.html">news</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="download.html">download</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="features.html">features</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="goals.html">goals</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="format.html">format</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="comparison.html">comparison</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="documentation.html">documentation</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> developers </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<CENTER>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="15" ALT=""></TD></TR></TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">developers</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ FLAC is an open source project and we are happy to enlist the help of anyone who wants to contribute. You can do this to a limited extent through the <A HREF="http://sourceforge.net/mail/?group_id=13478">mailing list</A> but if you have major changes to make to the code it's best to <A HREF="http://sourceforge.net/project/memberlist.php?group_id=13478">sign up as a developer</A>. In either case, make sure to check out the <A HREF="goals.html">FLAC goals</A> first; there are some thing the we <B>don't</B> want added to FLAC, like copy protection and lossy compression.
+ </P>
+ <P>
+ There are several areas that are especially important:
+ </P>
+ <P>
+ <UL>
+ <LI>
+ Converging on the <A HREF="format.html">bitstream format</A>. This is probably the single most important issue.
+ </LI>
+ <LI>
+ Testing. This is a close second, since if you are a lossless encoder you have to be absolutely lossless for all input. The test suite has patterns that are designed to strain the encoder to the limit but more test cases would definitely help.
+ </LI>
+ <LI>
+ Makefile fixups and code changes to work on more platforms. Both libFLAC and flac are ANSI C and use only the standard C library and math library, meaning ports should not be that difficult. Currently there is a GNU make system and makefiles for MSVC.
+ </LI>
+ <LI>
+ More input plugins. Currently there are plugins for XMMS and Winamp. More is better!
+ </LI>
+ <LI>
+ Speeding up the encoding. Encoding speed at average compression is a little slower than I would like. Improvements to the reference encoder that don't drastically obfuscate the code would be welcome.
+ </LI>
+ </UL>
+ </P>
+ <P>
+ Some other "nice-to-haves":
+ </P>
+ <P>
+ <UL>
+ <LI>
+ Improving the compression methods. Some suggestions: on the entropy coding side, try context-modeling the Rice paramter, using general Golomb coding and Huffman coding. On the prediction side, try some other methods for determining the LP coefficients (covariance method, Marple, Burg), or explore other kinds of modeling.
+ </LI>
+ <LI>
+ A faster seek algorithm in the file decoder.
+ </LI>
+ <LI>
+ A stream analyser that gives useful statistics for tuning or testing new algorithms.
+ </LI>
+ <LI>
+ Fix the MSVC makefiles to make libFLAC.dll (instead of just the .lib).
+ </LI>
+ <LI>
+ Clean up the Winamp2 plugin and/or write a Winamp3 one.
+ </LI>
+ <LI>
+ Configurable ID3V1 support and ID3V2 support in the plugins.
+ </LI>
+ <LI>
+ Better encoding decoding statistics for flac.
+ </LI>
+ <LI>
+ Support more input types than just WAVE and raw in flac.
+ </LI>
+ <LI>
+ Expand the test suite.
+ </LI>
+ <LI>
+ A better logo! Gimp jedi I'm not...
+ </LI>
+ </UL>
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+</CENTER>
+
+</BODY>
+</HTML>
diff --git a/doc/documentation.html b/doc/documentation.html
new file mode 100644
index 0000000..4b387c9
--- /dev/null
+++ b/doc/documentation.html
@@ -0,0 +1,454 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <TITLE>FLAC - documentation</TITLE>
+</HEAD>
+
+<BODY MARGINWIDTH="0" MARGINHEIGHT="0" LEFTMARGIN="0" RIGHTMARGIN="0" TOPMARGIN="0" BGCOLOR="#99CC99" TEXT="#000000" LINK="#336699" VLINK="#336699" ALINK="#336699">
+
+<TABLE BORDER=0 WIDTH="100%" CELLPADDING=1 CELLSPACING=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#000000"><A HREF="http://flac.sourceforge.net/"><IMG SRC="images/logo.jpg" ALIGN=CENTER ALT="FLAC Logo" BORDER=0 HSPACE=0></a></TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="25" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#D3D4C5">
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD HEIGHT=22 BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="index.html">home</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="news.html">news</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="download.html">download</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="features.html">features</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="goals.html">goals</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="format.html">format</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="comparison.html">comparison</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> documentation </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="developers.html">developers</A> </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<CENTER>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="15" ALT=""></TD></TR></TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">documentation</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ This page describes the user-level view of the FLAC format (for a more detailed explanation see the <A HREF="format.html">format page</A>). It also contains the user documentation for <B><TT>flac</TT></B>, which is the command-line file encoder/decoder, and the <A HREF="#plugins">input plugins</A>.
+ </P>
+ <P>
+ Keep in mind that the online version of this document will always apply to the latest release. For older releases, check the documentation included with the release package.
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">format</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ See the <A HREF="format.html#scope">Scope</A>, <A HREF="format.html#architecture">Architecture</A>, <A HREF="format.html#definitions">Definitions</A>, and <A HREF="format.html#overview">Overview</A> sections of the <A HREF="format.html">format page</A> for a good introduction. This section will be expanded in the future.
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">flac</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ <B><TT>flac</TT></B> is the command-line file encoder/decoder. The input to the encoder and the output to the decoder must either be RIFF WAVE format, or raw interleaved sample data. <B><TT>flac</TT></B> only supports linear PCM samples (in other words, no A-LAW, uLAW, etc.). Another restriction (hopefully short-term) is that the input must be 8 or 16 bits per sample. This is not a limitation of the FLAC format, just the reference encoder.
+ </P>
+ <P>
+ <B><TT>flac</TT></B> assumes that RIFF WAVE files will have the extension ".wav"; this may be overridden with a command-line option. Other than this, <B><TT>flac</TT></B> makes no assumptions about file extensions, though the convention is that FLAC files have the extension ".flac" (or ".fla" on ancient file systems like FAT-16).
+ </P>
+ <P>
+ Before going into the full command-line description, two other things help to sort it out: 1) <B><TT>flac</TT></B> encodes by default, so you must use <B>-d</B> to decode; 2) the options <B><TT>-0</TT></B> .. <B><TT>-9</TT></B> that control the compression level actually are just synonyms for different groups of specific coding options (described later). You can get the same effect by using the same options.
+ </P>
+ <P>
+ <B><TT>flac</TT></B> will be invoked one of two ways, depending on whether you are encoding or decoding:
+ <UL>
+ <LI>
+ Encoding: flac [-v] [--skip #] [<format-options>] [<encoding options>] inputfile outputfile
+ </LI>
+ <LI>
+ Decoding: flac -d [-v] [--skip #] [<format-options>] inputfile outputfile
+ </LI>
+ </UL>
+ </P>
+ <P>
+ In either case, inputfile may be "-" for stdin, and "-" for stdout. The encoding options affect the compression ratio and encoding speed. The format options are used to tell <B><TT>flac</TT></B> the arrangement of samples if the input file (or output file when decoding) is a raw file. If it is a RIFF WAVE file the format options are not needed since they are read from the WAVE header.
+ </P>
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <FONT SIZE="+1"><B>General Options</B></FONT>
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -d
+ </TD>
+ <TD>
+ Decode (<B><TT>flac</TT></B> encodes by default).
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -s
+ </TD>
+ <TD>
+ Silent: do not show encoding/decoding statistics.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ --skip #
+ </TD>
+ <TD>
+ Skip over the first # of samples of the input. This works for both encoding and decoding.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <FONT SIZE="+1"><B>Encoding Options</B></FONT>
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ --lax
+ </TD>
+ <TD>
+ Allow encoder to generate non-Subset files. The resulting FLAC file may not be streamable, so you should only use this option in combination with custom encoding options meant for archival. File decoders will still be able play (and seek in) such files.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -b #
+ </TD>
+ <TD>
+ Set the blocksize. The default is 1152 for -l 0, otherwise 4608. Subset streams must use one of 192/576/1152/2304/4608. The current encoder uses the same blocksize for the entire stream.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -m
+ </TD>
+ <TD>
+ Enable mid-side coding (only for stereo streams). Tends to increase compression by a few percent on average. For each block both the stereo pair and mid-side versions of the block will be encoded, and smallest resulting frame will be stored. Currently mid-side encoding is only available when bits-per-sample <= 16.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -0 .. -9
+ </TD>
+ <TD>
+ Fastest compression .. highest compression. The default is <TT>-6</TT>.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -0
+ </TD>
+ <TD>
+ Synonymous with -l 0
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -1
+ </TD>
+ <TD>
+ Synonymous with -l 0 -m
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -2
+ </TD>
+ <TD>
+ Synonymous with -l 0 -m -r # (where # is set based on the blocksize)
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -3
+ </TD>
+ <TD>
+ Reserved
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -4
+ </TD>
+ <TD>
+ Synonymous with -l 8
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -5
+ </TD>
+ <TD>
+ Synonymous with -l 8 -m
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -6
+ </TD>
+ <TD>
+ Synonymous with -l 8 -m -r # (where # is set based on the blocksize)
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -7
+ </TD>
+ <TD>
+ Reserved
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -8
+ </TD>
+ <TD>
+ Synonymous with -l 32 -m -r # (where # is set based on the blocksize)
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -9
+ </TD>
+ <TD>
+ Synonymous with -l 32 -m -e -r 99 -p. This is painfully slow but gives you the maximum compression <B><TT>flac</TT></B> can do for a given blocksize.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -e
+ </TD>
+ <TD>
+ Exhaustive model search (expensive!). Normally the encoder estimates the best model to use and encodes once based on the estimate. With an exhaustive model search, the encoder will generate subframes for every order and use the smallest. If the max LPC order is high this can significantly increase the encode time but can shave off another 0.5%.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -l #
+ </TD>
+ <TD>
+ Specifies the maximum LPC order. This number must be <= 32. If 0, the encoder will not attempt generic linear prediction, and use only fixed predictors. Using fixed predictors is faster but usually results in files being 5-10% larger.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -q #
+ </TD>
+ <TD>
+ Specifies the precision of the quantized LP coefficients, in bits. The default is <B><TT>-q 0</TT></B>, which means let the encoder decide based on the signal. Unless you really know your input file it's best to leave this up to the encoder.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -p
+ </TD>
+ <TD>
+ Do exhaustive LP coefficient quantization optimization. This option overrides any <B><TT>-q</TT></B> option. It is expensive and typically will only improve the compression a tiny fraction of a percent.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -r #
+ </TD>
+ <TD>
+ Do Rice parameter optimization. By default the encoder uses a single Rice parameter for the subframe's entire residual. With this option, the residual is partitioned into 2^n pieces, each with its own Rice parameter. Higher values of n yield diminishing returns. The most bang for the buck is usually with <B><TT>-r 2</TT></B> (more for higher blocksizes). This usually shaves off another 1.5%. The technique tends to peak out about when blocksize/(2^n)=128. Use <B><TT>-r 99</TT></B> to force the highest degree of optimization.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ </TD>
+ <TD>
+ -m-, -e-, -p-, --lax- can all be used to turn off a particular option.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <FONT SIZE="+1"><B>Format Options</B></FONT>
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -fb | -fl
+ </TD>
+ <TD>
+ Specify big-endian | little-endian byte order in the raw file.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -fc #
+ </TD>
+ <TD>
+ Specify the number of channels in the raw file.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -fp #
+ </TD>
+ <TD>
+ Specify the number of bits per sample in the raw file.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -fs #
+ </TD>
+ <TD>
+ Specify the sample rate of the raw file.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -fu
+ </TD>
+ <TD>
+ Specify that the samples in the raw file are unsigned (the default is signed).
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -fr
+ </TD>
+ <TD>
+ Treat the input file (or output file if decoding) as a raw file, regardless of the extension.
+ </TD>
+ </TR>
+ <TR>
+ <TD NOWRAP ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ -fw
+ </TD>
+ <TD>
+ Treat the input file (or output file if decoding) as a RIFF WAVE file, regardless of the extension.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <A NAME="plugins"><B><FONT SIZE="+2">xmms plugin</FONT></B></A>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ All that is necessary is to copy <B><TT>libxmms-flac.so</TT></B> to the directory where XMMS looks for input plugins (usually <B><TT>/usr/lib/xmms/Input</TT></B>). There is nothing else to configure. Make sure to restart XMMS before trying to play any .flac files.
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">winamp plugin</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ All that is necessary is to copy <B><TT>in_flac.dll</TT></B> to the <B><TT>Plugins/</TT></B> directory of your Winamp installation. There is nothing else to configure. Make sure to restart Winamp before trying to play any .flac files.
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+</CENTER>
+
+</BODY>
+</HTML>
diff --git a/doc/download.html b/doc/download.html
new file mode 100644
index 0000000..165ba1b
--- /dev/null
+++ b/doc/download.html
@@ -0,0 +1,71 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <TITLE>FLAC - download</TITLE>
+</HEAD>
+
+<BODY MARGINWIDTH="0" MARGINHEIGHT="0" LEFTMARGIN="0" RIGHTMARGIN="0" TOPMARGIN="0" BGCOLOR="#99CC99" TEXT="#000000" LINK="#336699" VLINK="#336699" ALINK="#336699">
+
+<TABLE BORDER=0 WIDTH="100%" CELLPADDING=1 CELLSPACING=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#000000"><A HREF="http://flac.sourceforge.net/"><IMG SRC="images/logo.jpg" ALIGN=CENTER ALT="FLAC Logo" BORDER=0 HSPACE=0></a></TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="25" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#D3D4C5">
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD HEIGHT=22 BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="index.html">home</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="news.html">news</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> download </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="features.html">features</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="goals.html">goals</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="format.html">format</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="comparison.html">comparison</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="documentation.html">documentation</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="developers.html">developers</A> </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<CENTER>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="15" ALT=""></TD></TR></TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">download</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ This page will be updated once the CVS repository is set up and the first release is made. Check back soon or <A HREF="http://sourceforge.net/mail/?group_id=13478">join the mailing list</A>.
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+</CENTER>
+
+</BODY>
+</HTML>
diff --git a/doc/features.html b/doc/features.html
new file mode 100644
index 0000000..127b77a
--- /dev/null
+++ b/doc/features.html
@@ -0,0 +1,142 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <TITLE>FLAC - features</TITLE>
+</HEAD>
+
+<BODY MARGINWIDTH="0" MARGINHEIGHT="0" LEFTMARGIN="0" RIGHTMARGIN="0" TOPMARGIN="0" BGCOLOR="#99CC99" TEXT="#000000" LINK="#336699" VLINK="#336699" ALINK="#336699">
+
+<TABLE BORDER=0 WIDTH="100%" CELLPADDING=1 CELLSPACING=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#000000"><A HREF="http://flac.sourceforge.net/"><IMG SRC="images/logo.jpg" ALIGN=CENTER ALT="FLAC Logo" BORDER=0 HSPACE=0></a></TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="25" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#D3D4C5">
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD HEIGHT=22 BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="index.html">home</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="news.html">news</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="download.html">download</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> features </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="goals.html">goals</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="format.html">format</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="comparison.html">comparison</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="documentation.html">documentation</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="developers.html">developers</A> </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<CENTER>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="15" ALT=""></TD></TR></TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">features</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ FLAC stands for Free Lossless Audio Coder. The FLAC project consists of:
+ </P>
+ <P>
+ <UL>
+ <LI>the stream format</LI>
+ <LI>libFLAC, which implements a reference encoder, stream decoder, and file decoder</LI>
+ <LI>flac, which is a command-line wrapper around libFLAC to encode and decode .flac files</LI>
+ <LI>input plugins for various music players (Winamp, XMMS, and more in the works)</LI>
+ </UL>
+ </P>
+ <P>
+ "Free" means that the specification of the stream format is in the public domain (the FLAC project reserves the right to set the FLAC specification and certify compliance), and that neither the FLAC format nor any of the implemented encoding/decoding methods are covered by any patent. It also means that the source for libFLAC is available under the <A HREF="http://www.opensource.org/licenses/lgpl-license.html">LGPL</A> and the sources for flac and the plugins are available under the <A HREF="http://www.opensource.org/licenses/gpl-license.html">GPL</A>.
+ </P>
+ <P>
+ What FLAC is:
+ </P>
+ <UL>
+ <P><LI>
+ FLAC is patent free. The FLAC format or encoding/decoding methods are not covered by any patents.
+ </LI></P>
+ <P><LI>
+ FLAC is lossless. The encoding of PCM data incurs no loss of information, and the decoded audio is bit-for-bit identical to what went into the encoder.
+ </LI></P>
+ <P><LI>
+ FLAC is designed to compress audio data. Technically, flac can "compress" other kinds of data losslessly (if you pass it in as a mono 8-bit raw file), but the output files tend to be bigger.
+ </LI></P>
+ <P><LI>
+ The compression capabilities of FLAC are extendable, meaning that new methods can be added to future versions of the format without breaking older streams or decoders.
+ </LI></P>
+ <P><LI>
+ The currently implemented compression methods in the reference encoder yield streams on par or smaller than shorten. The encoding time is variable, but is generally between that of <A HREF="http://www.softsound.com/Shorten.html">shorten</A>, and that of, say, <A HREF="http://www.mp3dev.org/mp3/">LAME</A>. The most aggressive compression however can be quite slow. For more info see the <A HREF="comparison.html">comparison page</A>.
+ </LI></P>
+ <P><LI>
+ FLAC is asymmetric in favor of decode speed. Decoding requires only integer arithmetic, and is much less compute-intensive than for most perceptual codecs. Real-time decode performance is easily achievable on even modest hardare.
+ </LI></P>
+ <P><LI>
+ FLAC is suitable for archiving, since there is no information loss. You are not locked into the format since there is no generation loss if you decide to convert your data to another format in the future.
+ </LI></P>
+ <P><LI>
+ FLAC is suitable for streaming. Each FLAC frame contains enough data to decode that frame. FLAC does not even rely on previous or following frames. FLAC uses sync codes and CRCs (similar to MPEG and other formats), which, along with framing, allow decoders to pick up in the middle of a stream with a minimum of delay.
+ </LI></P>
+ <P><LI>
+ FLAC supports fast sample-accurate seeking. Not only is this useful for playback, it makes FLAC files suitable for use in editing applications.
+ </LI></P>
+ <P><LI>
+ FLAC has an extendable meta-data system. New meta-data blocks can be defined and implemented in future versions of FLAC without breaking older streams or decoders. ID3 and ID3V2 tags may be attached to .flac files without disrupting the decoder.
+ </LI></P>
+ </UL>
+ <P>
+ Some things that follow from the features:
+ </P>
+ <UL>
+ <P><LI>
+ FLAC streams can be played back consecutively with no audible gaps in between, unlike say, MP3s (this is one of the minor <A HREF="goals.html">goals</A>). For example, you can encode a live album as individual tracks and still play them back seamlessly.
+ </LI></P>
+ <P><LI>
+ The sample-accurate seeking allows versatile playback: a sophisticated player could do index points, complex looping, or other structured playback. This could be useful in for say DJs, or practice sessions where you want to play along through specific passages.
+ </LI></P>
+ <P><LI>
+ Basically, you get the versatility of a WAV file in a compressed streamable format.
+ </LI></P>
+ </UL>
+ <P>
+ What FLAC is <B>not</B>:
+ </P>
+ <UL>
+ <P><LI>
+ Lossy. FLAC is intended for lossless compression only, as there are many good lossy formats already, such as <A HREF="http://www.mp3-tech.org/">MP3</A> (see <A HREF="http://www.mp3dev.org/mp3/">LAME</A> for an excellent open-source implementation), and <A HREF="http://www.xiph.org/ogg/vorbis/index.html">Ogg Vorbis</A>.
+ </LI></P>
+ <P><LI>
+ SDMI compliant, et cetera. There is no intention to support any methods of copy protection, which are, for all practical purposes, a complete waste of bits. (Another way to look at it is that since copy protection is futile, it really carries no information, so you might say FLAC already losslessly compresses all possible copy protection information down to zero bits!) Of course, we can't stop what some misguided person does with proprietary meta-data blocks, but then again, non-proprietary decoders will skip them anyway.
+ </LI></P>
+ </UL>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+</CENTER>
+
+</BODY>
+</HTML>
diff --git a/doc/format.html b/doc/format.html
new file mode 100644
index 0000000..6b73b60
--- /dev/null
+++ b/doc/format.html
@@ -0,0 +1,1092 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <TITLE>FLAC - format</TITLE>
+</HEAD>
+
+<BODY MARGINWIDTH="0" MARGINHEIGHT="0" LEFTMARGIN="0" RIGHTMARGIN="0" TOPMARGIN="0" BGCOLOR="#99CC99" TEXT="#000000" LINK="#336699" VLINK="#336699" ALINK="#336699">
+
+<TABLE BORDER=0 WIDTH="100%" CELLPADDING=1 CELLSPACING=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#000000"><A HREF="http://flac.sourceforge.net/"><IMG SRC="images/logo.jpg" ALIGN=CENTER ALT="FLAC Logo" BORDER=0 HSPACE=0></a></TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="25" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#D3D4C5">
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD HEIGHT=22 BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="index.html">home</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="news.html">news</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="download.html">download</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="features.html">features</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="goals.html">goals</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> format </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="comparison.html">comparison</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="documentation.html">documentation</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="developers.html">developers</A> </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<CENTER>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="15" ALT=""></TD></TR></TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">format</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ This is a detailed description of the FLAC format. The format is still in an alpha stage, which means it can change (even breaking old streams) until the first beta, so if you are a developer, <A HREF="http://sourceforge.net/mail/?group_id=13478">join the mailing list</A> or check back regularly.
+ </P>
+ <P>
+ First, as the original developer I have to say that I am not a compression expert and I feel obligated to give credit where it is due. FLAC owes a lot to the many people who have advanced the audio compression field so freely. For instance:
+ </P>
+ <P>
+ <UL>
+ <LI>
+ <A HREF="http://svr-www.eng.cam.ac.uk/~ajr/">A. J. Robinson</A> for his work on <A HREF="http://svr-www.eng.cam.ac.uk/~ajr/GroupPubs/Robinson94-tr156/index.html">Shorten</A>; his code and paper are a good starting point on some of the basic methods used by FLAC. FLAC expands on the fixed predictors used in shorten.
+ </LI>
+ <LI>
+ <A HREF="http://commsci.usc.edu/faculty/golomb.html">S. W. Golomb</A> and Robert F. Rice; their universal codes are used by FLAC's entropy coder.
+ </LI>
+ <LI>
+ N. Levinson and J. Durbin; the reference encoder uses an algorithm developed and refined by them for determining the LPC coefficients from the autocorrelation coefficients.
+ </LI>
+ <LI>
+ And of course, the main guy, <A HREF="http://www.digitalcentury.com/encyclo/update/shannon.html">Claude Shannon</A>
+ </LI>
+ </UL>
+ </P>
+ <P>
+ <A NAME="scope"><FONT SIZE="+1"><B><U>Scope</U></B></FONT></A>
+ </P>
+ <P>
+ It is a known fact that no algorithm can losslessly compress all possible input, so most compressors restrict themselves to a useful domain and try to work as well as possible within that domain. FLAC's domain is audio data. Though it can losslessly code any input, only certain kinds of input will get smaller. FLAC exploits the fact that audio data typically has a high degree of sample-to-sample correlation.
+ </P>
+ <P>
+ Within the audio domain, there are many possible subdomains. For example: low bitrate speech, high-bitrate multi-channel music, etc. FLAC itself does not target a specific subdomain but many of the default parameters of the reference encoder are tuned to CD-quality music data (i.e. 44.1kHz, 2 channel, 16 bits per sample). The effect of the encoding parameters on different kinds of audio data will be examined later.
+ </P>
+ <P>
+ <A NAME="architecture"><FONT SIZE="+1"><B><U>Architecture</U></B></FONT></A>
+ </P>
+ <P>
+ Similar to many audio coders, a FLAC encoder has the following stages:
+ </P>
+ <UL>
+ <P><LI>
+ <A HREF="#blocking">Blocking</A>. The input is broken up into many contiguous blocks. With FLAC, the blocks may vary in size. The optimal size of the block is usually affected by many factors, including the sample rate, spectral characteristics over time, etc. Though FLAC allows the block size to vary within a stream, the reference encoder uses a fixed block size.
+ </LI></P>
+ <P><LI>
+ <A HREF="#interchannel">Interchannel Decorrelation</A>. In the case of stereo streams, the encoder will create mid and side signals based on the average and difference (respectively) of the left and right channels. The encoder will then pass the best form of the signal to the next stage.
+ </LI></P>
+ <P><LI>
+ <A HREF="#prediction">Prediction</A>. The block is passed through a prediction stage where the encoder tries to find a mathematical description (usually an approximate one) of the signal. This description is typically much smaller than the raw signal itself. Since the methods of prediction are known to both the encoder and decoder, only the parameters of the predictor need be included in the compressed stream. FLAC currently uses four different classes of predictors (described in the <A HREF="#prediction">prediction</A> section), but the format has reserved space for additional methods. FLAC allows the class of predictor to change from block to block, or even within the channels of a block.
+ </LI></P>
+ <LI><P>
+ <A HREF="#residualcoding">Residual coding</A>. If the predictor does not describe the signal exactly, the difference between the original signal and the predicted signal (called the error or residual signal) must be coded losslessy. If the predictor is effective, the residual signal will require fewer bits per sample than the original signal. FLAC currently uses only one method for encoding the residual (see the <A HREF="#residualcoding">Residual coding</A> section), but the format has reserved space for additional methods. FLAC allows the residual coding method to change from block to block, or even within the channels of a block.
+ </LI></P>
+ </UL>
+ <P>
+ In addition, FLAC specifies a metadata system, which allows arbitrary information about the stream to be included at the beginning of the stream.
+ </P>
+ <P>
+ <A NAME="definitions"><FONT SIZE="+1"><B><U>Definitions</U></B></FONT></A>
+ </P>
+ <P>
+ Many terms like "block" and "frame" are used to mean different things in differenct encoding schemes. For example, a frame in MP3 corresponds to many samples across several channels, whereas an S/PDIF frame represents just one sample for each channel. The definitions we use for FLAC follow. Note that when we talk about blocks and subblocks we are refering to the raw unencoded audio data that is the input to the encoder, and when we talk about frames and subframes, we are refering to the FLAC-encoded data.
+ </P>
+ <UL>
+ <P><LI>
+ <B>Block</B>: One or more audio samples that span several channels.
+ </LI></P>
+ <P><LI>
+ <B>Subblock</B>: One or more audio samples within a channel. So a block contains one subblock for each channel, and all subblocks contain the same number of samples.
+ </LI></P>
+ <P><LI>
+ <B>Blocksize</B>: The number of samples in any of a block's subblocks. For example, a one second block sampled at 44.1KHz has a blocksize of 44100, regardless of the number of channels.
+ </LI></P>
+ <P><LI>
+ <B>Frame</B>: A frame header plus one or more subframes.
+ </LI></P>
+ <P><LI>
+ <B>Subframe</B>: A subframe header plus one or more encoded samples from a given channel. All subframes within a frame will contain the same number of samples.
+ </LI></P>
+ </UL>
+ <P>
+ <A NAME="blocking"><FONT SIZE="+1"><B><U>Blocking</U></B></FONT></A>
+ </P>
+ <P>
+ The size used for blocking the audio data has a direct effect on the compression ratio. If the block size is too small, the resulting large number of frames mean that excess bits will be wasted on frame headers. If the block size is too large, the characteristics of the signal may vary so much that the encoder will be unable to find a good predictor. In order to simplify encoder/decoder design, FLAC imposes a minimum block size of 16 samples, and a maximum block size of 65535 samples. This range covers the optimal size for all of the audio data FLAC supports.
+ </P>
+ <P>
+ Currently the reference encoder uses a fixed block size, optimized on the sample rate of the input. Future version may vary the block size depending on the characteristics of the signal.
+ </P>
+ <P>
+ Blocked data is passed to the predictor stage one subblock (channel) at a time. Each subblock is independently coded into a subframe, and the subframes are concatenated into a frame. Because each channel is coded independently, it means that one channel of a stereo frame may be encoded as a constant subframe, and the other an LPC subframe. The FLAC format has reserved space for supporting mid-side coding of stereo data, but it is currently not defined or implemented in the reference codec.
+ </P>
+ <P>
+ <A NAME="interchannel"><FONT SIZE="+1"><B><U>Interchannel Decorrelation</U></B></FONT></A>
+ </P>
+ <P>
+ In stereo streams, in many cases there is an exploitable amount of correlation between the left and right channels. FLAC allows the frames of stereo streams to have different channel assignments, and an encoder may choose to use the best representation on a frame-by-frame basis.
+ </P>
+ <UL>
+ <P><LI>
+ <B>Independent</B>. The left and right channels are coded independently.
+ </LI></P>
+ <P><LI>
+ <B>Mid-side</B>. The left and right channels are transformed into mid and side channels. The mid channel is the midpoint (average) of the left and right signals, and the side is the difference signal (left minus right).
+ </LI></P>
+ <P><LI>
+ <B>Left-side</B>. The left channel and side channel are coded.
+ </LI></P>
+ <P><LI>
+ <B>Right-side</B>. The right channel and side channel are coded
+ </LI></P>
+ </UL>
+ <P>
+ Surprisingly, the left-side and right-side forms can be the most efficient in many frames, even though the raw number of bits per sample needed for the original signal is slightly more than that needed for independent or mid-side coding.
+ </P>
+ <P>
+ <A NAME="prediction"><FONT SIZE="+1"><B><U>Prediction</U></B></FONT></A>
+ </P>
+ <P>
+ FLAC uses four methods for modeling the input signal:
+ </P>
+ <UL>
+ <P><LI>
+ <B>Verbatim</B>. This is essentially a zero-order predictor of the signal. The predictor of the signal is the signal itself, so the compression is zero. This is the baseline against which the other predictors are measured. If you feed random data to the encoder, the verbatim predictor will probably be used for every subblock. Since the raw signal is not actually passed through the residual coding stage (it is added to the stream 'verbatim'), the encoding results will not be the same as a zero-order linear predictor.
+ </LI></P>
+ <P><LI>
+ <B>Constant</B>. This predictor is used whenever the subblock contains digital silence, i.e. a constant value throughout. The signal is run-length encoded and added to the stream.
+ </LI></P>
+ <P><LI>
+ <B>Fixed linear predictor</B>. FLAC uses a class of computationally-efficient fixed linear predictors (for a good description, see <A HREF="http://www.hpl.hp.com/techreports/1999/HPL-1999-144.pdf">audiopak</A> and <A HREF="http://svr-www.eng.cam.ac.uk/~ajr/GroupPubs/Robinson94-tr156/index.html">shorten</A>). FLAC adds a fourth-order predictor to the zero-to-third-order predictors used by shorten. Since the predictors are fixed, the predictor order is the only parameter that needs to be stored in the compressed stream. The error signal is then passed to the residual coder.
+ </LI></P>
+ <P><LI>
+ <B>FIR Linear prediction</B>. For more accurate modeling (at a cost of slower encoding), FLAC supports up to 32nd order FIR linear prediction (again, for info on linear prediction, see <A HREF="http://www.hpl.hp.com/techreports/1999/HPL-1999-144.pdf">audiopak</A> and <A HREF="http://svr-www.eng.cam.ac.uk/~ajr/GroupPubs/Robinson94-tr156/index.html">shorten</A>). The reference encoder uses the Levinson-Durbin method for calculating the LPC coefficients from the autocorrelation coefficients, and the coefficients are quantized before computing the residual. Whereas encoders such as shorten used a fixed quantization for the entire input, FLAC allows the quantized coefficient precision to vary from subframe to subframe. The FLAC reference encoder estimates the optimal precision to use based on the block size and dynamic range of the original signal.
+ </LI></P>
+ </UL>
+ <P>
+ <A NAME="residualcoding"><FONT SIZE="+1"><B><U>Residual Coding</U></B></FONT></A>
+ </P>
+ <P>
+ FLAC currently defines two similar methods for the coding of the error signal from the prediction stage. The error signal is coded using Rice codes in one of two ways: 1) the encoder estimates a single rice parameter based on the variance of the residual, and Rice codes the entire residual using this parameter; 2) the residual is partitioned into several equal-length regions of contiguous samples, and each region is coded with its own Rice parameter based on the region's mean. (Note that the first method is a special case of the second method with one partition, except the Rice parameter is based on the residual variance instead of the mean.)
+ </P>
+ <P>
+ The FLAC format has reserved space for other coding methods. Some possiblities for volunteers would be to explore better context-modeling of the Rice parameter, generic Golomb coding (Rice codes are a subset of Golomb codes where the Rice parameter k is the Golomb parameter m = 2^k), and Huffman coding. See <A HREF="http://www.hpl.hp.com/techreports/98/HPL-98-193.html">LOCO-I</A> and <A HREF="http://www.cs.tut.fi/~albert/Dev/pucrunch/packing.html">pucrunch</A> for descriptions of several universal codes.
+ </P>
+ <P>
+ <FONT SIZE="+1"><B><U>Format</U></B></FONT>
+ </P>
+ <P>
+ This section specifies the FLAC bitstream format. FLAC has no format version information, but it does contain reserved space in several places. Future versions of the format may use this reserved space safely without breaking the format of older streams. Older decoders may choose to abort decoding or skip data encoded with newer methods. Apart from reserved patterns, in places the format specifies invalid patterns, meaning that the patterns may never appear in any valid bitstream, in any prior, present, or future versions of the format. These invalid patterns are usually used to make the synchronization mechanism more robust.
+ </P>
+ <P>
+ All numbers used in a FLAC bitstream are integers; there are no floating-point representations. All numbers are big-endian coded. All numbers are unsigned unless otherwise specified.
+ </P>
+ <P>
+ <A NAME="overview">A FLAC bitstream may be appended with ID3V1 data or prepended with ID3V2 data. FLAC has no knowledge of such data, but the reference decoder knows how to skip an ID3 tag. The input plugins support ID3V1 tags</A>
+ </P>
+ <P>
+ Before the formal description of the stream, an overview might be helpful.
+ </P>
+ <UL>
+ <P><LI>
+ A FLAC bitstream consists of the "fLaC" marker at the beginning of the stream, followed by a mandatory metadata block (called the 'Encoding' block), any number of other metadata blocks, then the audio frames.
+ </LI></P>
+ <P><LI>
+ FLAC supports up to 128 kinds of metadata blocks, but currently only one is defined. This is the 'Encoding' block, which has info about the whole stream like sample rate, number of channels, total number of samples, etc. This block must be present as the first metadata block in the stream. Other metadata blocks may follow, and ones that the decoder doesn't understand, it will skip.
+ </LI></P>
+ <P><LI>
+ The audio data is composed of one or more audio frames. Each frame consists of a frame header, which contains a sync code, info about the frame like the block size, sample rate, number of channels, et cetera, and an 8-bit CRC. The frame header also contains either the sample number of the first sample in the frame (for variable-blocksize streams), or the frame number (for fixed-blocksize streams). This allows for fast, sample-accurate seeking to be performed. Following the frame header are encoded subframes, one for each channel, and finally, the frame is zero-padded to a byte boundary. Each subframe has its own header that specifies how the subframe is encoded.
+ </LI></P>
+ <P><LI>
+ Since a decoder may start decoding in the middle of a stream, there must be a method to determine the start of a frame. A 9-bit sync code begins every frame. The sync code will not appear anywhere else in the frame header. However, since it may appear in the subframes, the decoder has two other ways of ensuring a correct sync. The first is to check that the rest of the frame header contains no invalid data. Even this is not foolproof since valid header patterns can still occur within the subframes. The decoder's final check is to generate an 8-bit CRC of the frame header and compare this to the CRC stored at the end of the frame header.
+ </LI></P>
+ <P><LI>
+ Again, since a decoder may start decoding at an arbitrary frame in the stream, each frame header must contain some basic information about the stream because the decoder may not have access to the ENCODING metadata block at the start of the stream. This information includes sample rate, bits per sample, number of channels, etc. Since the frame header is pure overhead, it has a direct effect on the compression ratio. To keep the frame header as small as possible, FLAC uses lookup tables for the most commonly used values for frame parameters. For instance, the sample rate part of the frame header is specified using 4 bits. Eight of the bit patterns correspond to the commonly used sample rates of 8/16/22.05/24/32/44.1/48/96 kHz. However, odd sample rates can be specified by using one of the 'hint' bit patterns, directing the decoder to find the exact sample rate at the end of the frame header. The same method is used for specifying the block size and bits per sample. In this way, the frame header size stays small for all of the most common forms of audio data.
+ </LI></P>
+ <P><LI>
+ Individual subframes (one for each channel) are coded separately within a frame, and appear serially in the stream. In other words, the encoded audio data is NOT channel-interleaved. This reduces decoder complexity at the cost of requiring larger decode buffers. Each subframe has its own header specifying the attributes of the subframe, like prediction method and order, residual coding parameters, etc. The header is followed by the encoded audio data for that channel.
+ </LI></P>
+ <P><LI>
+ FLAC specifies a subset of itself as the Subset format. The purpose of this is to ensure that any streams encoded according to the Subset are truly "streamable", meaning that a decoder that cannot seek within the stream can still pick up in the middle of the stream and start decoding. It also makes hardware decoder implementations more practical by limiting the blocking such that decoder buffer sizes can be easily determined. "flac" generates Subset streams by default unless the "--lax" command-line option is used. The Subset makes the following limitations on what may be used in the stream:
+ <UL>
+ <LI>
+ The blocksize bits in the <A HREF="#frame_header">frame header</A> must be 001-101, specifying a fixed-blocksize stream (the exception being the last block as described in the table). This also means that the Encoding metadata block must specify equal mininum and maximum blocksizes.
+ </LI>
+ <LI>
+ The bits-per-sample bits in the <A HREF="#frame_header">frame header</A> must be 001-110.
+ </LI>
+ <LI>
+ The sample rate bits in the <A HREF="#frame_header">frame header</A> must be 0001-1011.
+ </LI>
+ </UL>
+ </LI></P>
+ </UL>
+
+ <P>
+ The following tables constitute a formal description of the FLAC format. Numbers in angle brackets indicate how many bits are used for a given field.
+ </P>
+
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="stream"><FONT SIZE="+1"><B>STREAM</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <32>
+ </TD>
+ <TD>
+ "fLaC", the FLAC stream marker in ASCII, meaning byte 0 of the stream is 0x66, followed by 0x4C 0x61 0x43
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#metadata_encoding_block"><I>METADATA_ENCODING_BLOCK</I></A>
+ </TD>
+ <TD>
+ This is the mandatory metadata block that has the basic properties of the stream
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#metadata_block"><I>METADATA_BLOCK</I></A>*
+ </TD>
+ <TD>
+ Zero or more metadata blocks
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#frame"><I>FRAME</I></A>+
+ </TD>
+ <TD>
+ One or more audio frames
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="metadata_block"><FONT SIZE="+1"><B>METADATA_BLOCK</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#metadata_block_header"><I>METADATA_BLOCK_HEADER</I></A>
+ </TD>
+ <TD>
+ A block header that specifies the type and size of the metadata block data.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#metadata_block_data"><I>METADATA_BLOCK_DATA</I></A>
+ </TD>
+ <TD>
+
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="metadata_encoding_block"><FONT SIZE="+1"><B>METADATA_ENCODING_BLOCK</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#metadata_block_header"><I>METADATA_BLOCK_HEADER</I></A>
+ </TD>
+ <TD>
+ A block header that specifies the ENCODING BLOCK
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#metadata_block_encoding"><I>METADATA_BLOCK_ENCODING</I></A>
+ </TD>
+ <TD>
+
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="metadata_block_header"><FONT SIZE="+1"><B>METADATA_BLOCK_HEADER</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <1>
+ </TD>
+ <TD>
+ Last-metadata-block flag: '1' if this block is the last metadata block before the audio blocks, '0' otherwise.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <7>
+ </TD>
+ <TD>
+ BLOCK_TYPE<BR>
+ <UL>
+ <LI>
+ <TT>0</TT> : ENCODING
+ </LI>
+ <LI>
+ <TT>1-127</TT> : reserved
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <24>
+ </TD>
+ <TD>
+ Length (in bytes) of metadata to follow (does not include the size of the METADATA_BLOCK_HEADER)
+ </TD>
+ </TR>
+ <TR>
+ <TD>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1">NOTES</FONT><BR>
+ <UL>
+ <LI>
+ Currently, FLAC specifies only one metadata block, the ENCODING block. Its presence as the first metadata block in the stream is mandatory.
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="metadata_block_data"><FONT SIZE="+1"><B>METADATA_BLOCK_DATA</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#metadata_block_encoding"><I>METADATA_BLOCK_ENCODING</I></A>
+ </TD>
+ <TD>
+ Currently, FLAC specifies only one metadata block, the ENCODING block.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="metadata_block_encoding"><FONT SIZE="+1"><B>METADATA_BLOCK_ENCODING</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <16>
+ </TD>
+ <TD>
+ The minimum block size (in samples) used in the stream.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <16>
+ </TD>
+ <TD>
+ The maximum block size (in samples) used in the stream. (Minimum blocksize == maximum blocksize) implies a fixed-blocksize stream.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <16>
+ </TD>
+ <TD>
+ The minimum frame size (in bytes) used in the stream. May be 0 to imply the value is not known.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <16>
+ </TD>
+ <TD>
+ The maximum frame size (in bytes) used in the stream. May be 0 to imply the value is not known.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <20>
+ </TD>
+ <TD>
+ Sample rate in Hz. Though 20 bits are available, the maximum sample rate is limited by the structure of frame headers to 1048570Hz. Also, a value of 0 is invalid.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <3>
+ </TD>
+ <TD>
+ (number of channels)-1. FLAC supports from 1 to 8 channels
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <5>
+ </TD>
+ <TD>
+ (bits per sample)-1. FLAC supports from 1 to 32 bits per sample. Currently the reference encoder and decoders only support up to 24 bits per sample.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <36>
+ </TD>
+ <TD>
+ Total samples in stream. 'Samples' means channel-wide sample, i.e. one second of 44.1Khz audio will have 44100 samples regardless of the number of channels. A value of zero here means the number of total samples is unknown.
+ </TD>
+ </TR>
+ <TR>
+ <TD>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1">NOTES</FONT><BR>
+ <UL>
+ <LI>
+ FLAC specifies a minimum block size of 16 and a maximum block size of 65535, meaning the bit patterns corresponding to the numbers 0-15 in the minimum blocksize and maximum blocksize fields are invalid.
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="frame"><FONT SIZE="+1"><B>FRAME</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#frame_header"><I>FRAME_HEADER</I></A>
+ </TD>
+ <TD>
+ nbsp;
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#subframe"><I>SUBFRAME</I></A>+
+ </TD>
+ <TD>
+ One SUBFRAME per channel.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <?>
+ </TD>
+ <TD>
+ Zero-padding to byte alignment.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="frame_header"><FONT SIZE="+1"><B>FRAME_HEADER</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <9>
+ </TD>
+ <TD>
+ sync code '<TT>111111110</TT>'
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <3>
+ </TD>
+ <TD>
+ block size in channel-wide samples:<BR>
+ <UL>
+ <LI>
+ <TT>000</TT> : get from ENCODING metadata block
+ </LI>
+ <LI>
+ <TT>001</TT> : 192 samples
+ </LI>
+ <LI>
+ <TT>010-101</TT> : 576 * (2^(2-n)) samples, i.e. 576/1152/2304/4608
+ </LI>
+ <LI>
+ <TT>110</TT> : get 8 bit (blocksize-1) from end of header
+ </LI>
+ <LI>
+ <TT>111</TT> : get 16 bit (blocksize-1) from end of header
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <4>
+ </TD>
+ <TD>
+ sample rate:<BR>
+ <UL>
+ <LI>
+ <TT>0000</TT> : get from ENCODING metadata block
+ </LI>
+ <LI>
+ <TT>0001-0011</TT> : reserved
+ </LI>
+ <LI>
+ <TT>0100</TT> : 8kHz
+ </LI>
+ <LI>
+ <TT>0101</TT> : 16kHz
+ </LI>
+ <LI>
+ <TT>0110</TT> : 22.05kHz
+ </LI>
+ <LI>
+ <TT>0111</TT> : 24kHz
+ </LI>
+ <LI>
+ <TT>1000</TT> : 32kHz
+ </LI>
+ <LI>
+ <TT>1001</TT> : 44.1kHz
+ </LI>
+ <LI>
+ <TT>1010</TT> : 48kHz
+ </LI>
+ <LI>
+ <TT>1011</TT> : 96kHz
+ </LI>
+ <LI>
+ <TT>1100</TT> : get 8 bit sample rate (in kHz) from end of header
+ </LI>
+ <LI>
+ <TT>1101</TT> : get 16 bit sample rate (in Hz) from end of header
+ </LI>
+ <LI>
+ <TT>1110</TT> : get 16 bit sample rate (in tens of Hz) from end of header
+ </LI>
+ <LI>
+ <TT>1111</TT> : invalid, to prevent sync-fooling string of 1s
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <4>
+ </TD>
+ <TD>
+ channel assignment
+ <UL>
+ <LI>
+ <TT>0000-0111</TT> : (number of independent channels)-1. when == 0001, channel 0 is the left channel and channel 1 is the right
+ </LI>
+ <LI>
+ <TT>1000</TT> : left/side stereo: channel 0 is the left channel, channel 1 is the side(difference) channel
+ </LI>
+ <LI>
+ <TT>1001</TT> : right/side stereo: channel 0 is the side(difference) channel, channel 1 is the right channel
+ </LI>
+ <LI>
+ <TT>1010</TT> : mid/side stereo: channel 0 is the mid(average) channel, channel 1 is the side(difference) channel
+ </LI>
+ <LI>
+ <TT>1011-1111</TT> : reserved
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <3>
+ </TD>
+ <TD>
+ sample size in bits:<BR>
+ <UL>
+ <LI>
+ <TT>000</TT> : get from ENCODING metadata block
+ </LI>
+ <LI>
+ <TT>001</TT> : 8 bits per sample
+ </LI>
+ <LI>
+ <TT>010</TT> : 12 bits per sample
+ </LI>
+ <LI>
+ <TT>011</TT> : reserved
+ </LI>
+ <LI>
+ <TT>100</TT> : 16 bits per sample
+ </LI>
+ <LI>
+ <TT>101</TT> : 20 bits per sample
+ </LI>
+ <LI>
+ <TT>110</TT> : 24 bits per sample
+ </LI>
+ <LI>
+ <TT>111</TT> : reserved
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <1>
+ </TD>
+ <TD>
+ zero bit padding, to prevent sync-fooling string of 1s
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <?>
+ </TD>
+ <TD>
+ if(variable blocksize)<BR>
+ <8-56>:"UTF-8" coded sample number (decoded number is 36 bits)<BR>
+ else<BR>
+ <8-48>:"UTF-8" coded frame number (decoded number is 31 bits)
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <?>
+ </TD>
+ <TD>
+ if(blocksize bits == 11x)<BR>
+ 8/16 bit (blocksize-1)
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <?>
+ </TD>
+ <TD>
+ if(sample rate bits == 11xx)<BR>
+ 8/16 bit sample rate
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <8>
+ </TD>
+ <TD>
+ CRC-8 (polynomial = x^8 + x^2 + x + 1) of everything before the crc, including the sync code
+ </TD>
+ </TR>
+ <TR>
+ <TD>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1">NOTES</FONT><BR>
+ <UL>
+ <LI>
+ The blocksize bits 000-101 may only be used if the blocksize is fixed throughout the entire stream. Blocksize bits 110-111 may be used in any case but the decoder will have to pessimistically guess that it is a variable-blocksize stream. There is only one special case: the encoder may use blocksize bits 110-111 on the last frame of a fixed-blocksize stream, as long as the blocksize is not greater than the stream blocksize.
+ </LI>
+ <LI>
+ The "UTF-8" coding used for the sample/frame number is the same variable length code used to store compressed UCS-2, extended to handle larger input.
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="subframe"><FONT SIZE="+1"><B>SUBFRAME</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#subframe_header"><I>SUBFRAME_HEADER</I></A>
+ </TD>
+ <TD>
+
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#subframe_constant"><I>SUBFRAME_CONSTANT</I></A><BR>|| <A HREF="#subframe_fixed"><I>SUBFRAME_FIXED</I></A><BR>|| <A HREF="#subframe_lpc"><I>SUBFRAME_LPC</I></A><BR>|| <A HREF="#subframe_verbatim"><I>SUBFRAME_VERBATIM</I></A>
+ </TD>
+ <TD VALIGN="TOP">
+ The SUBFRAME_HEADER specifies which one.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="subframe_header"><FONT SIZE="+1"><B>SUBFRAME_HEADER</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <8>
+ </TD>
+ <TD>
+ Subframe type:
+ <UL>
+ <LI>
+ <TT>xxxxxxx1</TT> : invalid, to prevent sync-fooling string of 1s
+ </LI>
+ <LI>
+ <TT>00000000</TT> : <A HREF="#subframe_constant">SUBFRAME_CONSTANT</A>
+ </LI>
+ <LI>
+ <TT>00000010</TT> : <A HREF="#subframe_verbatim">SUBFRAME_VERBATIM</A>
+ </LI>
+ <LI>
+ <TT>000001x0</TT> : reserved
+ </LI>
+ <LI>
+ <TT>00001xx0</TT> : reserved
+ </LI>
+ <LI>
+ <TT>0001xxx0</TT> : if(xxx <= 4) <A HREF="#subframe_fixed">SUBFRAME_FIXED</A>, xxx=order ; else reserved
+ </LI>
+ <LI>
+ <TT>001xxxx0</TT> : reserved
+ </LI>
+ <LI>
+ <TT>01xxxxx0</TT> : <A HREF="#subframe_lpc">SUBFRAME_LPC</A>, xxxxx=order-1
+ </LI>
+ <LI>
+ <TT>1xxxxxxx</TT> : invalid, to prevent sync-fooling string of 1s
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="subframe_constant"><FONT SIZE="+1"><B>SUBFRAME_CONSTANT</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <n>
+ </TD>
+ <TD>
+ Unencoded constant value of the subblock, n = frame's bits-per-sample.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="subframe_fixed"><FONT SIZE="+1"><B>SUBFRAME_FIXED</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <n>
+ </TD>
+ <TD>
+ Unencoded warm-up samples (n = frame's bits-per-sample * predictor order).
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#residual"><I>RESIDUAL</I></A>
+ </TD>
+ <TD>
+ Encoded residual
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="subframe_lpc"><FONT SIZE="+1"><B>SUBFRAME_LPC</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <n>
+ </TD>
+ <TD>
+ Unencoded warm-up samples (n = frame's bits-per-sample * lpc order).
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <4>
+ </TD>
+ <TD>
+ (quantized linear predictor coefficients' precision in bits)-1 (1111 = invalid).
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <5>
+ </TD>
+ <TD>
+ Quantized linear predictor coefficient shift needed in bits (NOTE: this number is signed).
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <n>
+ </TD>
+ <TD>
+ Unencoded predictor coefficients (n = qlp coeff precision * lpc order).
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#residual"><I>RESIDUAL</I></A>
+ </TD>
+ <TD>
+ Encoded residual
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="subframe_verbatim"><FONT SIZE="+1"><B>SUBFRAME_VERBATIM</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <n*i>
+ </TD>
+ <TD>
+ Unencoded subblock; n = frame's bits-per-sample, i = frame's blocksize.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="residual"><FONT SIZE="+1"><B>RESIDUAL</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <2>
+ </TD>
+ <TD>
+ Residual coding method:<BR>
+ <UL>
+ <LI>
+ <TT>00</TT> : partitioned rice coding
+ </LI>
+ <LI>
+ <TT>01-11</TT> : reserved
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#partitioned_rice"><I>RESIDUAL_CODING_METHOD_PARTITIONED_RICE</I></A>
+ </TD>
+ <TD>
+
+ </TD>
+ </TR>
+ <TR>
+ <TD>
+ </TD>
+ <TD BGCOLOR="#F4F4CC">
+ <FONT SIZE="+1">NOTES</FONT><BR>
+ <UL>
+ <LI>
+ Currently, FLAC specifies only one entropy coding method.
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="partitioned_rice"><FONT SIZE="+1"><B>RESIDUAL_CODING_METHOD_PARTITIONED_RICE</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <4>
+ </TD>
+ <TD>
+ Partition order.
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <A HREF="#rice_partition"><I>RICE_PARTITION</I></A>+
+ </TD>
+ <TD>
+ There will be 2^order partitions.
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+ <P>
+ <TABLE WIDTH="100%" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#EEEED4"><TR><TD>
+ <TABLE WIDTH="100%" BORDER="1" BGCOLOR="#EEEED4">
+ <TR>
+ <TD COLSPAN="2" BGCOLOR="#D3D4C5">
+ <A NAME="rice_partition"><FONT SIZE="+1"><B>RICE_PARTITION</B></FONT></A>
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <4>
+ </TD>
+ <TD>
+ Rice parameter
+ </TD>
+ </TR>
+ <TR>
+ <TD ALIGN="RIGHT" VALIGN="TOP" BGCOLOR="#F4F4CC">
+ <?>
+ </TD>
+ <TD>
+ Encoded residual. The number of samples (n) in the partition is determined as follows:<BR>
+ <UL>
+ <LI>
+ if the partition order is zero, n = frame's blocksize
+ </LI>
+ <LI>
+ else if this is not the first partition of the subframe, n = (frame's blocksize / (2^partition order))
+ </LI>
+ <LI>
+ else n = (frame's blocksize / (2^partition order)) - predictor order
+ </LI>
+ </UL>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD></TR></TABLE>
+ </P>
+
+</TD></TR>
+</TABLE>
+
+
+</CENTER>
+
+</BODY>
+</HTML>
diff --git a/doc/goals.html b/doc/goals.html
new file mode 100644
index 0000000..3aa165b
--- /dev/null
+++ b/doc/goals.html
@@ -0,0 +1,112 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <TITLE>FLAC - goals</TITLE>
+</HEAD>
+
+<BODY MARGINWIDTH="0" MARGINHEIGHT="0" LEFTMARGIN="0" RIGHTMARGIN="0" TOPMARGIN="0" BGCOLOR="#99CC99" TEXT="#000000" LINK="#336699" VLINK="#336699" ALINK="#336699">
+
+<TABLE BORDER=0 WIDTH="100%" CELLPADDING=1 CELLSPACING=0>
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+ </TR>
+</TABLE>
+
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+
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+
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+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#D3D4C5">
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD HEIGHT=22 BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="index.html">home</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
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+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="comparison.html">comparison</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="documentation.html">documentation</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="developers.html">developers</A> </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<CENTER>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="15" ALT=""></TD></TR></TABLE>
+
+
+<TABLE WIDTH="100%" CELLPADDING="5" CELLSPACING="5" BORDER="0">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">goals</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ Since FLAC is an open-source project, it's important to have a set of goals that everyone works to. They may change slightly from time to time but they're a good guideline. Changes should be in line with the goals and should not attempt to embrace any of the anti-goals!
+ </P>
+ <P>
+ <B>Goals</B>
+ </P>
+ <P>
+ <UL>
+ <LI>
+ FLAC should be and stay an open format. The source code is all either LGPL'd or GPL'd.
+ </LI>
+ <LI>
+ FLAC should be lossless. This seems obvious but lossy compression seems to creep into every audio coder. This goal also means that flac should stay archival quality and be truly lossless for all input. Testing of releases should be thorough.
+ </LI>
+ <LI>
+ FLAC should yield respectable compression, on par or better than other lossless coders.
+ </LI>
+ <LI>
+ FLAC should allow at least realtime decoding on even modest hardware.
+ </LI>
+ <LI>
+ FLAC should support fast sample-accurate seeking.
+ </LI>
+ <LI>
+ FLAC should allow gapless playback of consecutive streams. This follows from the lossless goal.
+ </LI>
+ <LI>
+ The FLAC project owes a lot to the many people who have advanced the audio compression field so freely, and aims also to contribute through the open-source development of new ideas.
+ </LI>
+ </UL>
+ </P>
+ <P>
+ <B>Anti-goals</B>
+ </P>
+ <P>
+ <UL>
+ <LI>
+ Lossy compression. There are already many suitable lossy format (<A HREF="http://www.xiph.org/ogg/vorbis/index.html">Ogg Vorbis</A>, <A HREF="http://www.mp3-tech.org/">MP3</A>, etc.).
+ </LI>
+ <LI>
+ Copy protection of any kind. Don't get me started, just see the <A HREF="features.html">features page</A> for the short answer.
+ </LI>
+ </UL>
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+</CENTER>
+
+</BODY>
+</HTML>
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <TITLE>FLAC - Free Lossless Audio Coder</TITLE>
+</HEAD>
+
+<BODY MARGINWIDTH="0" MARGINHEIGHT="0" LEFTMARGIN="0" RIGHTMARGIN="0" TOPMARGIN="0" BGCOLOR="#99CC99" TEXT="#000000" LINK="#336699" VLINK="#336699" ALINK="#336699">
+
+<TABLE BORDER=0 WIDTH="100%" CELLPADDING=1 CELLSPACING=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#000000"><A HREF="http://flac.sourceforge.net/"><IMG SRC="images/logo.jpg" ALIGN=CENTER ALT="FLAC Logo" BORDER=0 HSPACE=0></a></TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="25" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#D3D4C5">
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD HEIGHT=22 BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> home </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="news.html">news</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="download.html">download</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="features.html">features</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="goals.html">goals</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="format.html">format</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="comparison.html">comparison</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="documentation.html">documentation</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="developers.html">developers</A> </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<CENTER>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="15" ALT=""></TD></TR></TABLE>
+
+<TABLE cellspacing="0" cellpadding="3" border="0" width="100%" bgcolor="#99CC99">
+ <TR>
+ <TD align="center" valign="top">
+
+<TABLE WIDTH="100%">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">status</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>FLAC is currently in the alpha stage. The current version is 0.2. The format is well defined but may change enough before becoming beta to break older streams. It also has not gone through enough testing yet to be considered archival quality. You should keep those two things in mind when using any alpha or beta versions of FLAC.</P>
+ <P>That said, we intend to settle on the format quickly, then start releasing beta versions. If you use FLAC and have suggestions or bugs, please <A HREF="http://sourceforge.net/mail/?group_id=13478">join the mailing list</A> or <A HREF="http://sourceforge.net/project/memberlist.php?group_id=13478">developers group</A> and help us move to an official 1.0 version.</P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+<TABLE WIDTH="100%">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">what is FLAC?</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ FLAC stands for Free Lossless Audio Coder. The FLAC project consists of:
+ </P>
+ <P>
+ <UL>
+ <LI>the stream format</LI>
+ <LI>libFLAC, which implements a reference encoder, stream decoder, and file decoder</LI>
+ <LI>flac, which is a command-line wrapper around libFLAC to encode and decode .flac files</LI>
+ <LI>input plugins for various music players (Winamp, XMMS, and more in the works)</LI>
+ </UL>
+ </P>
+ <P>
+ "Free" means that the specification of the stream format is in the public domain (the FLAC project reserves the right to set the FLAC specification and certify compliance), and that neither the FLAC format nor any of the implemented encoding/decoding methods are covered by any patent. It also means that the source for libFLAC is available under the <A HREF="http://www.opensource.org/licenses/lgpl-license.html">LGPL</A> and the sources for flac and the plugins are available under the <A HREF="http://www.opensource.org/licenses/gpl-license.html">GPL</A>.
+ </P>
+ <P>
+ See the <A HREF="features.html">features page</A>, <A HREF="documentation.html">documentation page</A>, or <A HREF="format.html">FLAC format page</A> for more info, the <A HREF="comparison.html">comparison page</A> to see how the reference encoder measures up, or the <A HREF="goals.html">goals page</A> for what the FLAC project hopes to achieve.
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+
+<TABLE WIDTH="100%">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">download</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ Visit the <A HREF="download.html">download page</A> for links to the source code or pre-built binaries, or go directly to the <A HREF="http://www.sourceforge.net/projects/flac/">source</A> on SourceForge.
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+
+<TABLE WIDTH="100%">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">documentation</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ The documentation is available online as well as in the distributions. The general installation and usage documentation for flac and the plugins is <A HREF="documentation.html">here</A>. For a detailed description of the FLAC format and reference encoder see the <A HREF="format.html">FLAC format page</A>.
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+
+<TABLE WIDTH="100%">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B><FONT SIZE="+2">message from the maintainer</FONT></B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <P>
+ I came up with FLAC because no audio compression format I could find did everything I needed. Since I couldn't mash them all together (most are closed-source), I solidified all my requirements (now the FLAC <A HREF="goals.html">goals</A>) and wrote the first implementation. I intended to open-source it from the beginning for two reasons: 1) so that people who knew more about audio compression than me could help improve it; and 2) I wanted to give something back to the OS community, whose huge body of work I rely on so much.
+ </P>
+ <P>
+ So I started the FLAC project on SourceForge as soon as I had a relatively complete first implementation. Now I'm the maintainer of the FLAC project. You can get in touch with me about it through the <A HREF="http://sourceforge.net/mail/?group_id=13478">mailing list</A> or <A HREF="mailto:jcoalson@users.sourceforge.net">directly</A>
+ </P>
+ <P>
+ --Josh Coalson
+ </P>
+ </FONT>
+ </TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE>
+
+
+
+</TD>
+
+
+<TD width="26%" valign="top" align="center">
+
+
+<TABLE WIDTH="95%">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD ALIGN="center"><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B>news</B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD BGCOLOR="#EEEED4"><SMALL><FONT FACE="Lucida,Verdana,Helvetica,Arial"><A HREF="news.html#20001101">10-Dec-2000</A> :<BR> FLAC <A HREF="http://www.sourceforge.net/projects/flac/">debuts</A> on SourceForge<BR></FONT></SMALL></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE><BR><P>
+
+
+<TABLE WIDTH="95%">
+<TR><TD>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#D3D4C5">
+ <TR><TD ALIGN="center"><FONT FACE="Lucida,Verdana,Helvetica,Arial">
+ <B>links</B>
+ </FONT></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+ <TABLE CELLSPACING="0" CELLPADDING="3" WIDTH="100%" BORDER="0" BGCOLOR="#EEEED4">
+ <TR><TD BGCOLOR="#EEEED4"><SMALL><FONT FACE="Lucida,Verdana,Helvetica,Arial"><A HREF="http://www.sourceforge.net/projects/flac/">SourceForge</A><BR></FONT></SMALL></TD></TR>
+ </TABLE>
+ <TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="1" ALT=""></TD></TR></TABLE>
+</TD></TR>
+</TABLE><BR><P>
+
+
+<A href="http://sourceforge.net"><IMG src="http://sourceforge.net/sflogo.php?group_id=13478&type=1" width="88" height="31" border="0" alt="SourceForge Logo"></A><BR>
+
+
+<BR></FONT>
+</TD></TR></TABLE>
+
+
+</CENTER>
+
+</BODY>
+</HTML>
diff --git a/doc/news.html b/doc/news.html
new file mode 100644
index 0000000..d2c0ba3
--- /dev/null
+++ b/doc/news.html
@@ -0,0 +1,76 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+ <TITLE>FLAC - news</TITLE>
+</HEAD>
+
+<BODY MARGINWIDTH="0" MARGINHEIGHT="0" LEFTMARGIN="0" RIGHTMARGIN="0" TOPMARGIN="0" BGCOLOR="#99CC99" TEXT="#000000" LINK="#336699" VLINK="#336699" ALINK="#336699">
+
+<TABLE BORDER=0 WIDTH="100%" CELLPADDING=1 CELLSPACING=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#000000"><A HREF="http://flac.sourceforge.net/"><IMG SRC="images/logo.jpg" ALIGN=CENTER ALT="FLAC Logo" BORDER=0 HSPACE=0></a></TD>
+ </TR>
+</TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#99CC99"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="25" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR BGCOLOR="#000000"><TD><IMG SRC="images/1x1.gif" WIDTH="1" HEIGHT="2" ALT=""></TD></TR></TABLE>
+
+<TABLE WIDTH="100%" CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD ALIGN="CENTER" BGCOLOR="#D3D4C5">
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>
+ <TR>
+ <TD HEIGHT=22 BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="index.html">home</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> news </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="download.html">download</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="features.html">features</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="goals.html">goals</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="format.html">format</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
+ <TD BGCOLOR="#D3D4C5" ALIGN=CENTER NOWRAP> <A CLASS="topnav" HREF="comparison.html">comparison</A> </TD><TD BGCOLOR="#D3D4C5" ALIGN=CENTER>|</TD>
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+ <B><FONT SIZE="+2">news</FONT></B>
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+ <P>
+ <A NAME="20001101">10-Dec-2000:</A>
+ </P>
+ <P>
+ <UL>
+ <LI><B>FLAC debuts on SourceForge.</B> The FLAC project is now being hosted on SourceForge. Visit the <A HREF="http://www.sourceforge.net/projects/projects/flac/">FLAC project page</A> to join the mailing list or sign up as a developer.</LI>
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