MediaPipeTasksAudio Framework Reference

TtsAudioChunk

public struct TtsAudioChunk : Sendable, Equatable

Incremental mono PCM audio chunk emitted by TextToSpeech.synthesizeStream and TtsStream.readNext (also available as AudioChunk).

• samples

  Normalized 32-bit floating-point mono PCM samples in [-1.0, 1.0].

  Declaration

  Swift

  public var samples: [Float]

• sampleRateHz

  Audio sample rate in Hz.

  Declaration

  Swift

  public var sampleRateHz: Int

• chunkIndex

  Zero-based monotonic index of this chunk within the stream.

  Declaration

  Swift

  public var chunkIndex: Int

• isFinal

  True if this is the final chunk of the synthesis stream.

  Declaration

  Swift

  public var isFinal: Bool

• wordTimestamps

  Word-level timing alignments for this chunk.

  Declaration

  Swift

  public var wordTimestamps: [TtsWordTimestamp]

• durationSeconds

  Duration of this chunk in seconds.

  Declaration

  Swift

  public var durationSeconds: Float { get }