SpeechRecognitionAlternative

public struct SpeechRecognitionAlternative : Codable, Equatable

An alternative transcript from speech recognition results.

  • A transcription of the audio.

    Declaration

    Swift

    public var transcript: String

  • A score that indicates the service’s confidence in the transcript in the range of 0.0 to 1.0. The service returns a confidence score only for the best alternative and only with results marked as final.

    Declaration

    Swift

    public var confidence: Double?

  • Time alignments for each word from the transcript as a list of lists. Each inner list consists of three elements: the word followed by its start and end time in seconds, for example: [["hello",0.0,1.2],["world",1.2,2.5]]. Timestamps are returned only for the best alternative.

    Declaration

    Swift

    public var timestamps: [WordTimestamp]?

  • A confidence score for each word of the transcript as a list of lists. Each inner list consists of two elements: the word and its confidence score in the range of 0.0 to 1.0, for example: [["hello",0.95],["world",0.866]]. Confidence scores are returned only for the best alternative and only with results marked as final.

    Declaration

    Swift

    public var wordConfidence: [WordConfidence]?