Class SpeechRecognitionAlternative (2.16.2) 

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

Alternative hypotheses (a.k.a. n-best list).

Attributes
Name Description
transcript str
Transcript text representing the words that the user spoke.
confidence float
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. 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.
words MutableSequence[google.cloud.videointelligence_v1p3beta1.types.WordInfo]
Output only. A list of word-specific information for each recognized word. Note: When enable_speaker_diarization is set to true, you will see all the words from the beginning of the audio.