Class StreamingRecognizeResponse (2.17.3)

Version 2.17.3

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StreamingRecognizeResponse(mapping=None, *, ignore_unknown_fields=False, **kwargs)

StreamingRecognizeResponse is the only message returned to the client by StreamingRecognize. A series of zero or more StreamingRecognizeResponse messages are streamed back to the client. If there is no recognizable audio, and single_utterance is set to false, then no messages are streamed back to the client.

Here's an example of a series of StreamingRecognizeResponse\ s that might be returned while processing audio:

1. results { alternatives { transcript: "tube" } stability: 0.01 }

2. results { alternatives { transcript: "to be a" } stability: 0.01 }

3. results { alternatives { transcript: "to be" } stability: 0.9 } results { alternatives { transcript: " or not to be" } stability: 0.01 }

4. results { alternatives { transcript: "to be or not to be" confidence: 0.92 } alternatives { transcript: "to bee or not to bee" } is_final: true }

5. results { alternatives { transcript: " that's" } stability: 0.01 }

6. results { alternatives { transcript: " that is" } stability: 0.9 } results { alternatives { transcript: " the question" } stability: 0.01 }

7. results { alternatives { transcript: " that is the question" confidence: 0.98 } alternatives { transcript: " that was the question" } is_final: true }

Notes:

• Only two of the above responses #4 and #7 contain final results; they are indicated by is_final: true. Concatenating these together generates the full transcript: "to be or not to be that is the question".

• The others contain interim results. #3 and #6 contain two interim results: the first portion has a high stability and is less likely to change; the second portion has a low stability and is very likely to change. A UI designer might choose to show only high stability results.

• The specific stability and confidence values shown above are only for illustrative purposes. Actual values may vary.

• In each response, only one of these fields will be set: error, speech_event_type, or one or more (repeated) results.

Attributes
Name	Description
error	google.rpc.status_pb2.Status If set, returns a google.rpc.Status][google.rpc.Status] message that specifies the error for the operation.
results	MutableSequence[google.cloud.speech_v1p1beta1.types.StreamingRecognitionResult] This repeated list contains zero or more results that correspond to consecutive portions of the audio currently being processed. It contains zero or one is_final=true result (the newly settled portion), followed by zero or more is_final=false results (the interim results).
speech_event_type	google.cloud.speech_v1p1beta1.types.StreamingRecognizeResponse.SpeechEventType Indicates the type of speech event.
total_billed_time	google.protobuf.duration_pb2.Duration When available, billed audio seconds for the stream. Set only if this is the last response in the stream.
speech_adaptation_info	google.cloud.speech_v1p1beta1.types.SpeechAdaptationInfo Provides information on adaptation behavior in response
request_id	int The ID associated with the request. This is a unique ID specific only to the given request.

Classes

SpeechEventType

SpeechEventType(value)

Indicates the type of speech event.

Values: SPEECH_EVENT_UNSPECIFIED (0): No speech event specified. END_OF_SINGLE_UTTERANCE (1): This event indicates that the server has detected the end of the user's speech utterance and expects no additional speech. Therefore, the server will not process additional audio (although it may subsequently return additional results). The client should stop sending additional audio data, half-close the gRPC connection, and wait for any additional results until the server closes the gRPC connection. This event is only sent if single_utterance was set to true, and is not used otherwise.