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    Interface AudioData

    The AudioData interface of the WebCodecs API represents an audio sample.

    MDN Reference

    interface AudioData {
        duration: number;
        format: AudioSampleFormat | null;
        numberOfChannels: number;
        numberOfFrames: number;
        sampleRate: number;
        timestamp: number;
        allocationSize(options: AudioDataCopyToOptions): number;
        clone(): AudioData;
        close(): void;
        copyTo(
            destination: AllowSharedBufferSource,
            options: AudioDataCopyToOptions,
        ): void;
    }
    Index

    Properties

    duration format numberOfChannels numberOfFrames sampleRate timestamp

    Methods

    allocationSize clone close copyTo

    Properties

    duration: number

    The duration read-only property of the AudioData interface returns the duration in microseconds of this AudioData object.

    MDN Reference

    format: AudioSampleFormat | null

    The format read-only property of the AudioData interface returns the sample format of the AudioData object.

    MDN Reference

    numberOfChannels: number

    The numberOfChannels read-only property of the AudioData interface returns the number of channels in the AudioData object.

    MDN Reference

    numberOfFrames: number

    The numberOfFrames read-only property of the AudioData interface returns the number of frames in the AudioData object.

    MDN Reference

    sampleRate: number

    The sampleRate read-only property of the AudioData interface returns the sample rate in Hz.

    MDN Reference

    timestamp: number

    The timestamp read-only property of the AudioData interface returns the timestamp of this AudioData object.

    MDN Reference

    Methods

    • The allocationSize() method of the AudioData interface returns the size in bytes required to hold the current sample as filtered by options passed into the method.

      MDN Reference

      Parameters

      Returns number

    • The clone() method of the AudioData interface creates a new AudioData object with reference to the same media resource as the original.

      MDN Reference

      Returns AudioData

    • The close() method of the AudioData interface clears all states and releases the reference to the media resource.

      MDN Reference

      Returns void

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