public sealed class SpeechRecognitionAlternative : IMessage<SpeechRecognitionAlternative>, IEquatable<SpeechRecognitionAlternative>, IDeepCloneable<SpeechRecognitionAlternative>, IBufferMessage, IMessage
Reference documentation and code samples for the Google Cloud Speech v1 API class SpeechRecognitionAlternative.
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 text representing the words that the user spoke.
In languages that use spaces to separate words, the transcript might have a
leading space if it isn't the first result. You can concatenate each result
to obtain the full transcript without using a separator.
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.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis webpage provides documentation for the \u003ccode\u003eSpeechRecognitionAlternative\u003c/code\u003e class within the Google Cloud Speech v1 API, detailing its properties and usage.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the API documented here is 3.8.0, with the content specifically referencing version 3.3.0 and including links to the documentation of versions 3.7.0 down to 2.2.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eSpeechRecognitionAlternative\u003c/code\u003e represents a hypothesis of speech recognition results and includes properties such as \u003ccode\u003eConfidence\u003c/code\u003e, \u003ccode\u003eTranscript\u003c/code\u003e, and \u003ccode\u003eWords\u003c/code\u003e to describe the alternative hypothesis.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConfidence\u003c/code\u003e property represents the likelihood of the words being correct, ranging from 0.0 to 1.0, but it's noted that this field is not always guaranteed to be accurate and may be a sentinel value.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eWords\u003c/code\u003e property contains a list of \u003ccode\u003eWordInfo\u003c/code\u003e objects, providing detailed, word-specific information, and if speaker diarization is enabled it will include all words from the beginning of the audio.\u003c/p\u003e\n"]]],[],null,[]]
