Required. *Required* The language of the supplied audio as a
language tag. Example: "en-US". See `Language
Optional. Maximum number of recognition hypotheses to be
returned. Specifically, the maximum number of
SpeechRecognitionAlternative messages within each
SpeechTranscription. 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.
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
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
Optional. For file formats, such as MXF or
MKV, supporting multiple audio tracks, specify
up to two tracks. Default: track 0.
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:
When this is true, we send all the words from the beginning
of the audio for the top alternative in every consecutive
response. This is done in order to improve our speaker tags
as our models learn to identify the speakers in the
conversation over time.
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.
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