Class AudioBuffer

Represents a short audio asset residing in memory, created from an audio file using the decodeAudioData method, or from raw data using createBuffer. Once put into an AudioBuffer, the audio can then be played by being passed into an AudioBufferSourceNode.

See

https://developer.mozilla.org/docs/Web/API/AudioBuffer

Hierarchy

  • AudioBuffer

Implements

Constructors

constructor

Accessors

duration length numberOfChannels sampleRate

Methods

copyFromChannel copyToChannel getChannelData

Constructors

constructor

Accessors

duration

  • get duration(): number

  • Returns number

length

  • get length(): number

  • Returns number

numberOfChannels

  • get numberOfChannels(): number

  • Returns number

sampleRate

  • get sampleRate(): number

  • Returns number

Methods

copyFromChannel

  • Parameters

    • destination: Float32Array
    • channelNumber: number
    • Optional bufferOffset: number

    Returns void

copyToChannel

  • Parameters

    • source: Float32Array
    • channelNumber: number
    • Optional bufferOffset: number

    Returns void

getChannelData

  • Returns a Float32Array containing the PCM data associated with the requested channel.

    Parameters

    • channel: number

      An index representing the particular channel to get data for. An index value of 0 represents the first channel.

    Returns Float32Array

    See

    https://developer.mozilla.org/docs/Web/API/AudioBuffer/getChannelData

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