Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
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+
+<h1><a href="speech_v1p1beta1.html">Cloud Speech-to-Text API</a> . <a href="speech_v1p1beta1.speech.html">speech</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#longrunningrecognize">longrunningrecognize(body, x__xgafv=None)</a></code></p>
+<p class="firstline">Performs asynchronous speech recognition: receive results via the</p>
+<p class="toc_element">
+  <code><a href="#recognize">recognize(body, x__xgafv=None)</a></code></p>
+<p class="firstline">Performs synchronous speech recognition: receive results after all audio</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="longrunningrecognize">longrunningrecognize(body, x__xgafv=None)</code>
+  <pre>Performs asynchronous speech recognition: receive results via the
+google.longrunning.Operations interface. Returns either an
+`Operation.error` or an `Operation.response` which contains
+a `LongRunningRecognizeResponse` message.
+For more information on asynchronous speech recognition, see the
+[how-to](https://cloud.google.com/speech-to-text/docs/async-recognize).
+
+Args:
+  body: object, The request body. (required)
+    The object takes the form of:
+
+{ # The top-level message sent by the client for the `LongRunningRecognize`
+      # method.
+    "audio": { # Contains audio data in the encoding specified in the `RecognitionConfig`. # *Required* The audio data to be recognized.
+        # Either `content` or `uri` must be supplied. Supplying both or neither
+        # returns google.rpc.Code.INVALID_ARGUMENT. See
+        # [content limits](/speech-to-text/quotas#content).
+      "content": "A String", # The audio data bytes encoded as specified in
+          # `RecognitionConfig`. Note: as with all bytes fields, proto buffers use a
+          # pure binary representation, whereas JSON representations use base64.
+      "uri": "A String", # URI that points to a file that contains audio data bytes as specified in
+          # `RecognitionConfig`. The file must not be compressed (for example, gzip).
+          # Currently, only Google Cloud Storage URIs are
+          # supported, which must be specified in the following format:
+          # `gs://bucket_name/object_name` (other URI formats return
+          # google.rpc.Code.INVALID_ARGUMENT). For more information, see
+          # [Request URIs](https://cloud.google.com/storage/docs/reference-uris).
+    },
+    "config": { # Provides information to the recognizer that specifies how to process the # *Required* Provides information to the recognizer that specifies how to
+        # process the request.
+        # request.
+      "languageCode": "A String", # *Required* The language of the supplied audio as a
+          # [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
+          # Example: "en-US".
+          # See [Language Support](/speech-to-text/docs/languages)
+          # for a list of the currently supported language codes.
+      "audioChannelCount": 42, # *Optional* The number of channels in the input audio data.
+          # ONLY set this for MULTI-CHANNEL recognition.
+          # Valid values for LINEAR16 and FLAC are `1`-`8`.
+          # Valid values for OGG_OPUS are '1'-'254'.
+          # Valid value for MULAW, AMR, AMR_WB and SPEEX_WITH_HEADER_BYTE is only `1`.
+          # If `0` or omitted, defaults to one channel (mono).
+          # Note: We only recognize the first channel by default.
+          # To perform independent recognition on each channel set
+          # `enable_separate_recognition_per_channel` to 'true'.
+      "encoding": "A String", # Encoding of audio data sent in all `RecognitionAudio` messages.
+          # This field is optional for `FLAC` and `WAV` audio files and required
+          # for all other audio formats. For details, see AudioEncoding.
+      "enableAutomaticPunctuation": True or False, # *Optional* If 'true', adds punctuation to recognition result hypotheses.
+          # This feature is only available in select languages. Setting this for
+          # requests in other languages has no effect at all.
+          # The default 'false' value does not add punctuation to result hypotheses.
+          # Note: This is currently offered as an experimental service, complimentary
+          # to all users. In the future this may be exclusively available as a
+          # premium feature.
+      "alternativeLanguageCodes": [ # *Optional* A list of up to 3 additional
+          # [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tags,
+          # listing possible alternative languages of the supplied audio.
+          # See [Language Support](/speech-to-text/docs/languages)
+          # for a list of the currently supported language codes.
+          # If alternative languages are listed, recognition result will contain
+          # recognition in the most likely language detected including the main
+          # language_code. The recognition result will include the language tag
+          # of the language detected in the audio.
+          # Note: This feature is only supported for Voice Command and Voice Search
+          # use cases and performance may vary for other use cases (e.g., phone call
+          # transcription).
+        "A String",
+      ],
+      "enableSeparateRecognitionPerChannel": True or False, # This needs to be set to `true` explicitly and `audio_channel_count` > 1
+          # to get each channel recognized separately. The recognition result will
+          # contain a `channel_tag` field to state which channel that result belongs
+          # to. If this is not true, we will only recognize the first channel. The
+          # request is billed cumulatively for all channels recognized:
+          # `audio_channel_count` multiplied by the length of the audio.
+      "enableWordTimeOffsets": True or False, # *Optional* If `true`, the top result includes a list of words and
+          # the start and end time offsets (timestamps) for those words. If
+          # `false`, no word-level time offset information is returned. The default is
+          # `false`.
+      "enableSpeakerDiarization": True or False, # *Optional* If 'true', enables speaker detection for each recognized word in
+          # the top alternative of the recognition result using a speaker_tag provided
+          # in the WordInfo.
+          # Note: Use diarization_config instead. This field will be DEPRECATED soon.
+      "maxAlternatives": 42, # *Optional* Maximum number of recognition hypotheses to be returned.
+          # Specifically, the maximum number of `SpeechRecognitionAlternative` messages
+          # within each `SpeechRecognitionResult`.
+          # The server may return fewer than `max_alternatives`.
+          # Valid values are `0`-`30`. A value of `0` or `1` will return a maximum of
+          # one. If omitted, will return a maximum of one.
+      "profanityFilter": True or False, # *Optional* If set to `true`, the server will attempt to filter out
+          # profanities, replacing all but the initial character in each filtered word
+          # with asterisks, e.g. "f***". If set to `false` or omitted, profanities
+          # won't be filtered out.
+      "useEnhanced": True or False, # *Optional* Set to true to use an enhanced model for speech recognition.
+          # If `use_enhanced` is set to true and the `model` field is not set, then
+          # an appropriate enhanced model is chosen if:
+          # 1. project is eligible for requesting enhanced models
+          # 2. an enhanced model exists for the audio
+          #
+          # If `use_enhanced` is true and an enhanced version of the specified model
+          # does not exist, then the speech is recognized using the standard version
+          # of the specified model.
+          #
+          # Enhanced speech models require that you opt-in to data logging using
+          # instructions in the
+          # [documentation](/speech-to-text/docs/enable-data-logging). If you set
+          # `use_enhanced` to true and you have not enabled audio logging, then you
+          # will receive an error.
+      "sampleRateHertz": 42, # Sample rate in Hertz of the audio data sent in all
+          # `RecognitionAudio` messages. Valid values are: 8000-48000.
+          # 16000 is optimal. For best results, set the sampling rate of the audio
+          # source to 16000 Hz. If that's not possible, use the native sample rate of
+          # the audio source (instead of re-sampling).
+          # This field is optional for FLAC and WAV audio files, but is
+          # required for all other audio formats. For details, see AudioEncoding.
+      "diarizationSpeakerCount": 42, # *Optional*
+          # If set, specifies the estimated number of speakers in the conversation.
+          # If not set, defaults to '2'.
+          # Ignored unless enable_speaker_diarization is set to true."
+          # Note: Use diarization_config instead. This field will be DEPRECATED soon.
+      "enableWordConfidence": True or False, # *Optional* If `true`, the top result includes a list of words and the
+          # confidence for those words. If `false`, no word-level confidence
+          # information is returned. The default is `false`.
+      "model": "A String", # *Optional* Which model to select for the given request. Select the model
+          # best suited to your domain to get best results. If a model is not
+          # explicitly specified, then we auto-select a model based on the parameters
+          # in the RecognitionConfig.
+          # <table>
+          #   <tr>
+          #     <td><b>Model</b></td>
+          #     <td><b>Description</b></td>
+          #   </tr>
+          #   <tr>
+          #     <td><code>command_and_search</code></td>
+          #     <td>Best for short queries such as voice commands or voice search.</td>
+          #   </tr>
+          #   <tr>
+          #     <td><code>phone_call</code></td>
+          #     <td>Best for audio that originated from a phone call (typically
+          #     recorded at an 8khz sampling rate).</td>
+          #   </tr>
+          #   <tr>
+          #     <td><code>video</code></td>
+          #     <td>Best for audio that originated from from video or includes multiple
+          #         speakers. Ideally the audio is recorded at a 16khz or greater
+          #         sampling rate. This is a premium model that costs more than the
+          #         standard rate.</td>
+          #   </tr>
+          #   <tr>
+          #     <td><code>default</code></td>
+          #     <td>Best for audio that is not one of the specific audio models.
+          #         For example, long-form audio. Ideally the audio is high-fidelity,
+          #         recorded at a 16khz or greater sampling rate.</td>
+          #   </tr>
+          # </table>
+      "diarizationConfig": { # *Optional* Config to enable speaker diarization and set additional
+          # parameters to make diarization better suited for your application.
+          # Note: When this is enabled, we send all the words from the beginning of the
+          # audio for the top alternative in every consecutive STREAMING responses.
+          # This is done in order to improve our speaker tags as our models learn to
+          # identify the speakers in the conversation over time.
+          # For non-streaming requests, the diarization results will be provided only
+          # in the top alternative of the FINAL SpeechRecognitionResult.
+        "minSpeakerCount": 42, # *Optional* Only used if diarization_speaker_count is not set.
+            # Minimum number of speakers in the conversation. This range gives you more
+            # flexibility by allowing the system to automatically determine the correct
+            # number of speakers. If not set, the default value is 2.
+        "enableSpeakerDiarization": True or False, # *Optional* If 'true', enables speaker detection for each recognized word in
+            # the top alternative of the recognition result using a speaker_tag provided
+            # in the WordInfo.
+        "maxSpeakerCount": 42, # *Optional* Only used if diarization_speaker_count is not set.
+            # Maximum number of speakers in the conversation. This range gives you more
+            # flexibility by allowing the system to automatically determine the correct
+            # number of speakers. If not set, the default value is 6.
+      },
+      "speechContexts": [ # *Optional* array of SpeechContext.
+          # A means to provide context to assist the speech recognition. For more
+          # information, see [Phrase Hints](/speech-to-text/docs/basics#phrase-hints).
+        { # Provides "hints" to the speech recognizer to favor specific words and phrases
+            # in the results.
+          "phrases": [ # *Optional* A list of strings containing words and phrases "hints" so that
+              # the speech recognition is more likely to recognize them. This can be used
+              # to improve the accuracy for specific words and phrases, for example, if
+              # specific commands are typically spoken by the user. This can also be used
+              # to add additional words to the vocabulary of the recognizer. See
+              # [usage limits](/speech-to-text/quotas#content).
+              #
+              # List items can also be set to classes for groups of words that represent
+              # common concepts that occur in natural language. For example, rather than
+              # providing phrase hints for every month of the year, using the $MONTH class
+              # improves the likelihood of correctly transcribing audio that includes
+              # months.
+            "A String",
+          ],
+          "boost": 3.14, # Hint Boost. Positive value will increase the probability that a specific
+              # phrase will be recognized over other similar sounding phrases. The higher
+              # the boost, the higher the chance of false positive recognition as well.
+              # Negative boost values would correspond to anti-biasing. Anti-biasing is not
+              # enabled, so negative boost will simply be ignored. Though `boost` can
+              # accept a wide range of positive values, most use cases are best served with
+              # values between 0 and 20. We recommend using a binary search approach to
+              # finding the optimal value for your use case.
+        },
+      ],
+      "metadata": { # Description of audio data to be recognized. # *Optional* Metadata regarding this request.
+        "recordingDeviceType": "A String", # The type of device the speech was recorded with.
+        "originalMediaType": "A String", # The original media the speech was recorded on.
+        "microphoneDistance": "A String", # The audio type that most closely describes the audio being recognized.
+        "obfuscatedId": "A String", # Obfuscated (privacy-protected) ID of the user, to identify number of
+            # unique users using the service.
+        "recordingDeviceName": "A String", # The device used to make the recording.  Examples 'Nexus 5X' or
+            # 'Polycom SoundStation IP 6000' or 'POTS' or 'VoIP' or
+            # 'Cardioid Microphone'.
+        "industryNaicsCodeOfAudio": 42, # The industry vertical to which this speech recognition request most
+            # closely applies. This is most indicative of the topics contained
+            # in the audio.  Use the 6-digit NAICS code to identify the industry
+            # vertical - see https://www.naics.com/search/.
+        "audioTopic": "A String", # Description of the content. Eg. "Recordings of federal supreme court
+            # hearings from 2012".
+        "originalMimeType": "A String", # Mime type of the original audio file.  For example `audio/m4a`,
+            # `audio/x-alaw-basic`, `audio/mp3`, `audio/3gpp`.
+            # A list of possible audio mime types is maintained at
+            # http://www.iana.org/assignments/media-types/media-types.xhtml#audio
+        "interactionType": "A String", # The use case most closely describing the audio content to be recognized.
+      },
+    },
+  }
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # This resource represents a long-running operation that is the result of a
+      # network API call.
+    "metadata": { # Service-specific metadata associated with the operation.  It typically
+        # contains progress information and common metadata such as create time.
+        # Some services might not provide such metadata.  Any method that returns a
+        # long-running operation should document the metadata type, if any.
+      "a_key": "", # Properties of the object. Contains field @type with type URL.
+    },
+    "error": { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
+        # different programming environments, including REST APIs and RPC APIs. It is
+        # used by [gRPC](https://github.com/grpc). Each `Status` message contains
+        # three pieces of data: error code, error message, and error details.
+        #
+        # You can find out more about this error model and how to work with it in the
+        # [API Design Guide](https://cloud.google.com/apis/design/errors).
+      "message": "A String", # A developer-facing error message, which should be in English. Any
+          # user-facing error message should be localized and sent in the
+          # google.rpc.Status.details field, or localized by the client.
+      "code": 42, # The status code, which should be an enum value of google.rpc.Code.
+      "details": [ # A list of messages that carry the error details.  There is a common set of
+          # message types for APIs to use.
+        {
+          "a_key": "", # Properties of the object. Contains field @type with type URL.
+        },
+      ],
+    },
+    "done": True or False, # If the value is `false`, it means the operation is still in progress.
+        # If `true`, the operation is completed, and either `error` or `response` is
+        # available.
+    "response": { # The normal response of the operation in case of success.  If the original
+        # method returns no data on success, such as `Delete`, the response is
+        # `google.protobuf.Empty`.  If the original method is standard
+        # `Get`/`Create`/`Update`, the response should be the resource.  For other
+        # methods, the response should have the type `XxxResponse`, where `Xxx`
+        # is the original method name.  For example, if the original method name
+        # is `TakeSnapshot()`, the inferred response type is
+        # `TakeSnapshotResponse`.
+      "a_key": "", # Properties of the object. Contains field @type with type URL.
+    },
+    "name": "A String", # The server-assigned name, which is only unique within the same service that
+        # originally returns it. If you use the default HTTP mapping, the
+        # `name` should be a resource name ending with `operations/{unique_id}`.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="recognize">recognize(body, x__xgafv=None)</code>
+  <pre>Performs synchronous speech recognition: receive results after all audio
+has been sent and processed.
+
+Args:
+  body: object, The request body. (required)
+    The object takes the form of:
+
+{ # The top-level message sent by the client for the `Recognize` method.
+    "audio": { # Contains audio data in the encoding specified in the `RecognitionConfig`. # *Required* The audio data to be recognized.
+        # Either `content` or `uri` must be supplied. Supplying both or neither
+        # returns google.rpc.Code.INVALID_ARGUMENT. See
+        # [content limits](/speech-to-text/quotas#content).
+      "content": "A String", # The audio data bytes encoded as specified in
+          # `RecognitionConfig`. Note: as with all bytes fields, proto buffers use a
+          # pure binary representation, whereas JSON representations use base64.
+      "uri": "A String", # URI that points to a file that contains audio data bytes as specified in
+          # `RecognitionConfig`. The file must not be compressed (for example, gzip).
+          # Currently, only Google Cloud Storage URIs are
+          # supported, which must be specified in the following format:
+          # `gs://bucket_name/object_name` (other URI formats return
+          # google.rpc.Code.INVALID_ARGUMENT). For more information, see
+          # [Request URIs](https://cloud.google.com/storage/docs/reference-uris).
+    },
+    "config": { # Provides information to the recognizer that specifies how to process the # *Required* Provides information to the recognizer that specifies how to
+        # process the request.
+        # request.
+      "languageCode": "A String", # *Required* The language of the supplied audio as a
+          # [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
+          # Example: "en-US".
+          # See [Language Support](/speech-to-text/docs/languages)
+          # for a list of the currently supported language codes.
+      "audioChannelCount": 42, # *Optional* The number of channels in the input audio data.
+          # ONLY set this for MULTI-CHANNEL recognition.
+          # Valid values for LINEAR16 and FLAC are `1`-`8`.
+          # Valid values for OGG_OPUS are '1'-'254'.
+          # Valid value for MULAW, AMR, AMR_WB and SPEEX_WITH_HEADER_BYTE is only `1`.
+          # If `0` or omitted, defaults to one channel (mono).
+          # Note: We only recognize the first channel by default.
+          # To perform independent recognition on each channel set
+          # `enable_separate_recognition_per_channel` to 'true'.
+      "encoding": "A String", # Encoding of audio data sent in all `RecognitionAudio` messages.
+          # This field is optional for `FLAC` and `WAV` audio files and required
+          # for all other audio formats. For details, see AudioEncoding.
+      "enableAutomaticPunctuation": True or False, # *Optional* If 'true', adds punctuation to recognition result hypotheses.
+          # This feature is only available in select languages. Setting this for
+          # requests in other languages has no effect at all.
+          # The default 'false' value does not add punctuation to result hypotheses.
+          # Note: This is currently offered as an experimental service, complimentary
+          # to all users. In the future this may be exclusively available as a
+          # premium feature.
+      "alternativeLanguageCodes": [ # *Optional* A list of up to 3 additional
+          # [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tags,
+          # listing possible alternative languages of the supplied audio.
+          # See [Language Support](/speech-to-text/docs/languages)
+          # for a list of the currently supported language codes.
+          # If alternative languages are listed, recognition result will contain
+          # recognition in the most likely language detected including the main
+          # language_code. The recognition result will include the language tag
+          # of the language detected in the audio.
+          # Note: This feature is only supported for Voice Command and Voice Search
+          # use cases and performance may vary for other use cases (e.g., phone call
+          # transcription).
+        "A String",
+      ],
+      "enableSeparateRecognitionPerChannel": True or False, # This needs to be set to `true` explicitly and `audio_channel_count` > 1
+          # to get each channel recognized separately. The recognition result will
+          # contain a `channel_tag` field to state which channel that result belongs
+          # to. If this is not true, we will only recognize the first channel. The
+          # request is billed cumulatively for all channels recognized:
+          # `audio_channel_count` multiplied by the length of the audio.
+      "enableWordTimeOffsets": True or False, # *Optional* If `true`, the top result includes a list of words and
+          # the start and end time offsets (timestamps) for those words. If
+          # `false`, no word-level time offset information is returned. The default is
+          # `false`.
+      "enableSpeakerDiarization": True or False, # *Optional* If 'true', enables speaker detection for each recognized word in
+          # the top alternative of the recognition result using a speaker_tag provided
+          # in the WordInfo.
+          # Note: Use diarization_config instead. This field will be DEPRECATED soon.
+      "maxAlternatives": 42, # *Optional* Maximum number of recognition hypotheses to be returned.
+          # Specifically, the maximum number of `SpeechRecognitionAlternative` messages
+          # within each `SpeechRecognitionResult`.
+          # The server may return fewer than `max_alternatives`.
+          # Valid values are `0`-`30`. A value of `0` or `1` will return a maximum of
+          # one. If omitted, will return a maximum of one.
+      "profanityFilter": True or False, # *Optional* If set to `true`, the server will attempt to filter out
+          # profanities, replacing all but the initial character in each filtered word
+          # with asterisks, e.g. "f***". If set to `false` or omitted, profanities
+          # won't be filtered out.
+      "useEnhanced": True or False, # *Optional* Set to true to use an enhanced model for speech recognition.
+          # If `use_enhanced` is set to true and the `model` field is not set, then
+          # an appropriate enhanced model is chosen if:
+          # 1. project is eligible for requesting enhanced models
+          # 2. an enhanced model exists for the audio
+          #
+          # If `use_enhanced` is true and an enhanced version of the specified model
+          # does not exist, then the speech is recognized using the standard version
+          # of the specified model.
+          #
+          # Enhanced speech models require that you opt-in to data logging using
+          # instructions in the
+          # [documentation](/speech-to-text/docs/enable-data-logging). If you set
+          # `use_enhanced` to true and you have not enabled audio logging, then you
+          # will receive an error.
+      "sampleRateHertz": 42, # Sample rate in Hertz of the audio data sent in all
+          # `RecognitionAudio` messages. Valid values are: 8000-48000.
+          # 16000 is optimal. For best results, set the sampling rate of the audio
+          # source to 16000 Hz. If that's not possible, use the native sample rate of
+          # the audio source (instead of re-sampling).
+          # This field is optional for FLAC and WAV audio files, but is
+          # required for all other audio formats. For details, see AudioEncoding.
+      "diarizationSpeakerCount": 42, # *Optional*
+          # If set, specifies the estimated number of speakers in the conversation.
+          # If not set, defaults to '2'.
+          # Ignored unless enable_speaker_diarization is set to true."
+          # Note: Use diarization_config instead. This field will be DEPRECATED soon.
+      "enableWordConfidence": True or False, # *Optional* If `true`, the top result includes a list of words and the
+          # confidence for those words. If `false`, no word-level confidence
+          # information is returned. The default is `false`.
+      "model": "A String", # *Optional* Which model to select for the given request. Select the model
+          # best suited to your domain to get best results. If a model is not
+          # explicitly specified, then we auto-select a model based on the parameters
+          # in the RecognitionConfig.
+          # <table>
+          #   <tr>
+          #     <td><b>Model</b></td>
+          #     <td><b>Description</b></td>
+          #   </tr>
+          #   <tr>
+          #     <td><code>command_and_search</code></td>
+          #     <td>Best for short queries such as voice commands or voice search.</td>
+          #   </tr>
+          #   <tr>
+          #     <td><code>phone_call</code></td>
+          #     <td>Best for audio that originated from a phone call (typically
+          #     recorded at an 8khz sampling rate).</td>
+          #   </tr>
+          #   <tr>
+          #     <td><code>video</code></td>
+          #     <td>Best for audio that originated from from video or includes multiple
+          #         speakers. Ideally the audio is recorded at a 16khz or greater
+          #         sampling rate. This is a premium model that costs more than the
+          #         standard rate.</td>
+          #   </tr>
+          #   <tr>
+          #     <td><code>default</code></td>
+          #     <td>Best for audio that is not one of the specific audio models.
+          #         For example, long-form audio. Ideally the audio is high-fidelity,
+          #         recorded at a 16khz or greater sampling rate.</td>
+          #   </tr>
+          # </table>
+      "diarizationConfig": { # *Optional* Config to enable speaker diarization and set additional
+          # parameters to make diarization better suited for your application.
+          # Note: When this is enabled, we send all the words from the beginning of the
+          # audio for the top alternative in every consecutive STREAMING responses.
+          # This is done in order to improve our speaker tags as our models learn to
+          # identify the speakers in the conversation over time.
+          # For non-streaming requests, the diarization results will be provided only
+          # in the top alternative of the FINAL SpeechRecognitionResult.
+        "minSpeakerCount": 42, # *Optional* Only used if diarization_speaker_count is not set.
+            # Minimum number of speakers in the conversation. This range gives you more
+            # flexibility by allowing the system to automatically determine the correct
+            # number of speakers. If not set, the default value is 2.
+        "enableSpeakerDiarization": True or False, # *Optional* If 'true', enables speaker detection for each recognized word in
+            # the top alternative of the recognition result using a speaker_tag provided
+            # in the WordInfo.
+        "maxSpeakerCount": 42, # *Optional* Only used if diarization_speaker_count is not set.
+            # Maximum number of speakers in the conversation. This range gives you more
+            # flexibility by allowing the system to automatically determine the correct
+            # number of speakers. If not set, the default value is 6.
+      },
+      "speechContexts": [ # *Optional* array of SpeechContext.
+          # A means to provide context to assist the speech recognition. For more
+          # information, see [Phrase Hints](/speech-to-text/docs/basics#phrase-hints).
+        { # Provides "hints" to the speech recognizer to favor specific words and phrases
+            # in the results.
+          "phrases": [ # *Optional* A list of strings containing words and phrases "hints" so that
+              # the speech recognition is more likely to recognize them. This can be used
+              # to improve the accuracy for specific words and phrases, for example, if
+              # specific commands are typically spoken by the user. This can also be used
+              # to add additional words to the vocabulary of the recognizer. See
+              # [usage limits](/speech-to-text/quotas#content).
+              #
+              # List items can also be set to classes for groups of words that represent
+              # common concepts that occur in natural language. For example, rather than
+              # providing phrase hints for every month of the year, using the $MONTH class
+              # improves the likelihood of correctly transcribing audio that includes
+              # months.
+            "A String",
+          ],
+          "boost": 3.14, # Hint Boost. Positive value will increase the probability that a specific
+              # phrase will be recognized over other similar sounding phrases. The higher
+              # the boost, the higher the chance of false positive recognition as well.
+              # Negative boost values would correspond to anti-biasing. Anti-biasing is not
+              # enabled, so negative boost will simply be ignored. Though `boost` can
+              # accept a wide range of positive values, most use cases are best served with
+              # values between 0 and 20. We recommend using a binary search approach to
+              # finding the optimal value for your use case.
+        },
+      ],
+      "metadata": { # Description of audio data to be recognized. # *Optional* Metadata regarding this request.
+        "recordingDeviceType": "A String", # The type of device the speech was recorded with.
+        "originalMediaType": "A String", # The original media the speech was recorded on.
+        "microphoneDistance": "A String", # The audio type that most closely describes the audio being recognized.
+        "obfuscatedId": "A String", # Obfuscated (privacy-protected) ID of the user, to identify number of
+            # unique users using the service.
+        "recordingDeviceName": "A String", # The device used to make the recording.  Examples 'Nexus 5X' or
+            # 'Polycom SoundStation IP 6000' or 'POTS' or 'VoIP' or
+            # 'Cardioid Microphone'.
+        "industryNaicsCodeOfAudio": 42, # The industry vertical to which this speech recognition request most
+            # closely applies. This is most indicative of the topics contained
+            # in the audio.  Use the 6-digit NAICS code to identify the industry
+            # vertical - see https://www.naics.com/search/.
+        "audioTopic": "A String", # Description of the content. Eg. "Recordings of federal supreme court
+            # hearings from 2012".
+        "originalMimeType": "A String", # Mime type of the original audio file.  For example `audio/m4a`,
+            # `audio/x-alaw-basic`, `audio/mp3`, `audio/3gpp`.
+            # A list of possible audio mime types is maintained at
+            # http://www.iana.org/assignments/media-types/media-types.xhtml#audio
+        "interactionType": "A String", # The use case most closely describing the audio content to be recognized.
+      },
+    },
+    "name": "A String", # *Optional* The name of the model to use for recognition.
+  }
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # The only message returned to the client by the `Recognize` method. It
+      # contains the result as zero or more sequential `SpeechRecognitionResult`
+      # messages.
+    "results": [ # Output only. Sequential list of transcription results corresponding to
+        # sequential portions of audio.
+      { # A speech recognition result corresponding to a portion of the audio.
+        "languageCode": "A String", # Output only. The
+            # [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag of the
+            # language in this result. This language code was detected to have the most
+            # likelihood of being spoken in the audio.
+        "alternatives": [ # Output only. May contain one or more recognition hypotheses (up to the
+            # maximum specified in `max_alternatives`).
+            # These alternatives are ordered in terms of accuracy, with the top (first)
+            # alternative being the most probable, as ranked by the recognizer.
+          { # Alternative hypotheses (a.k.a. n-best list).
+            "confidence": 3.14, # Output only. The confidence estimate between 0.0 and 1.0. A higher number
+                # indicates an estimated greater likelihood that the recognized words are
+                # correct. This field is set only for the top alternative of a non-streaming
+                # result or, of a streaming result where `is_final=true`.
+                # This field is not guaranteed to be accurate and users should not rely on it
+                # to be always provided.
+                # The default of 0.0 is a sentinel value indicating `confidence` was not set.
+            "transcript": "A String", # Output only. Transcript text representing the words that the user spoke.
+            "words": [ # Output only. A list of word-specific information for each recognized word.
+                # Note: When `enable_speaker_diarization` is true, you will see all the words
+                # from the beginning of the audio.
+              { # Word-specific information for recognized words.
+                "confidence": 3.14, # Output only. The confidence estimate between 0.0 and 1.0. A higher number
+                    # indicates an estimated greater likelihood that the recognized words are
+                    # correct. This field is set only for the top alternative of a non-streaming
+                    # result or, of a streaming result where `is_final=true`.
+                    # This field is not guaranteed to be accurate and users should not rely on it
+                    # to be always provided.
+                    # The default of 0.0 is a sentinel value indicating `confidence` was not set.
+                "endTime": "A String", # Output only. Time offset relative to the beginning of the audio,
+                    # and corresponding to the end of the spoken word.
+                    # This field is only set if `enable_word_time_offsets=true` and only
+                    # in the top hypothesis.
+                    # This is an experimental feature and the accuracy of the time offset can
+                    # vary.
+                "word": "A String", # Output only. The word corresponding to this set of information.
+                "startTime": "A String", # Output only. Time offset relative to the beginning of the audio,
+                    # and corresponding to the start of the spoken word.
+                    # This field is only set if `enable_word_time_offsets=true` and only
+                    # in the top hypothesis.
+                    # This is an experimental feature and the accuracy of the time offset can
+                    # vary.
+                "speakerTag": 42, # Output only. A distinct integer value is assigned for every speaker within
+                    # the audio. This field specifies which one of those speakers was detected to
+                    # have spoken this word. Value ranges from '1' to diarization_speaker_count.
+                    # speaker_tag is set if enable_speaker_diarization = 'true' and only in the
+                    # top alternative.
+              },
+            ],
+          },
+        ],
+        "channelTag": 42, # For multi-channel audio, this is the channel number corresponding to the
+            # recognized result for the audio from that channel.
+            # For audio_channel_count = N, its output values can range from '1' to 'N'.
+      },
+    ],
+  }</pre>
+</div>
+
+</body></html>
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