diff --git a/hal/audio_extn/audio_defs.h b/hal/audio_extn/audio_defs.h
new file mode 100644
index 0000000..335a629
--- /dev/null
+++ b/hal/audio_extn/audio_defs.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer in the documentation and/or other materials provided
+ *      with the distribution.
+ *    * Neither the name of The Linux Foundation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef AUDIO_DEFS_H
+#define AUDIO_DEFS_H
+
+
+/**
+ * extended audio codec parameters
+ */
+
+#define AUDIO_OFFLOAD_CODEC_WMA_FORMAT_TAG "music_offload_wma_format_tag"
+#define AUDIO_OFFLOAD_CODEC_WMA_BLOCK_ALIGN "music_offload_wma_block_align"
+#define AUDIO_OFFLOAD_CODEC_WMA_BIT_PER_SAMPLE "music_offload_wma_bit_per_sample"
+#define AUDIO_OFFLOAD_CODEC_WMA_CHANNEL_MASK "music_offload_wma_channel_mask"
+#define AUDIO_OFFLOAD_CODEC_WMA_ENCODE_OPTION "music_offload_wma_encode_option"
+#define AUDIO_OFFLOAD_CODEC_WMA_ENCODE_OPTION1 "music_offload_wma_encode_option1"
+#define AUDIO_OFFLOAD_CODEC_WMA_ENCODE_OPTION2 "music_offload_wma_encode_option2"
+#define AUDIO_OFFLOAD_CODEC_FORMAT  "music_offload_codec_format"
+#define AUDIO_OFFLOAD_CODEC_FLAC_MIN_BLK_SIZE "music_offload_flac_min_blk_size"
+#define AUDIO_OFFLOAD_CODEC_FLAC_MAX_BLK_SIZE "music_offload_flac_max_blk_size"
+#define AUDIO_OFFLOAD_CODEC_FLAC_MIN_FRAME_SIZE "music_offload_flac_min_frame_size"
+#define AUDIO_OFFLOAD_CODEC_FLAC_MAX_FRAME_SIZE "music_offload_flac_max_frame_size"
+
+/* Query handle fm parameter*/
+#define AUDIO_PARAMETER_KEY_HANDLE_FM "handle_fm"
+
+/* Query fm volume */
+#define AUDIO_PARAMETER_KEY_FM_VOLUME "fm_volume"
+
+/* Query Fluence type */
+#define AUDIO_PARAMETER_KEY_FLUENCE "fluence"
+#define AUDIO_PARAMETER_VALUE_QUADMIC "quadmic"
+#define AUDIO_PARAMETER_VALUE_DUALMIC "dualmic"
+#define AUDIO_PARAMETER_KEY_NO_FLUENCE "none"
+
+/* Query if surround sound recording is supported */
+#define AUDIO_PARAMETER_KEY_SSR "ssr"
+
+/* Query if a2dp  is supported */
+#define AUDIO_PARAMETER_KEY_HANDLE_A2DP_DEVICE "isA2dpDeviceSupported"
+
+/* Query ADSP Status */
+#define AUDIO_PARAMETER_KEY_ADSP_STATUS "ADSP_STATUS"
+
+/* Query Sound Card Status */
+#define AUDIO_PARAMETER_KEY_SND_CARD_STATUS "SND_CARD_STATUS"
+
+/* Query if Proxy can be Opend */
+#define AUDIO_PARAMETER_KEY_CAN_OPEN_PROXY "can_open_proxy"
+
+#endif /* AUDIO_DEFS_H */
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index 5bf8a1f..09bc0b6 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -42,13 +42,6 @@
 #define AUDIO_OUTPUT_FLAG_INCALL_MUSIC 0x8000
 #endif
 
-#ifndef FLUENCE_ENABLED
-#define AUDIO_PARAMETER_KEY_FLUENCE "fluence"
-#define AUDIO_PARAMETER_VALUE_QUADMIC "quadmic"
-#define AUDIO_PARAMETER_VALUE_DUALMIC "dualmic"
-#define AUDIO_PARAMETER_KEY_NO_FLUENCE "none"
-#endif
-
 #ifndef FM_ENABLED
 #define AUDIO_DEVICE_OUT_FM 0x80000
 #define AUDIO_DEVICE_OUT_FM_TX 0x100000
diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index e6ec012..51432c0 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -26,6 +26,7 @@
 #include <tinycompress/tinycompress.h>
 
 #include <audio_route/audio_route.h>
+#include "audio_defs.h"
 #include "voice.h"
 
 #define VISUALIZER_LIBRARY_PATH "/system/lib/soundfx/libqcomvisualizer.so"