Class BaseAudioContext

Base definition for online and offline audio-processing graphs, as represented by AudioContext and OfflineAudioContext respectively.

Hierarchy

Implements

Properties

onstatechange: null | ((this, ev) => any)

Type declaration

Accessors

  • get audioWorklet(): AudioWorklet
  • Returns AudioWorklet

  • get currentTime(): number
  • Returns number

  • get listener(): AudioListener
  • Returns AudioListener

Methods

  • Appends an event listener for events whose type attribute value is type. The callback argument sets the callback that will be invoked when the event is dispatched.

    The options argument sets listener-specific options. For compatibility this can be a boolean, in which case the method behaves exactly as if the value was specified as options's capture.

    When set to true, options's capture prevents callback from being invoked when the event's eventPhase attribute value is BUBBLING_PHASE. When false (or not present), callback will not be invoked when event's eventPhase attribute value is CAPTURING_PHASE. Either way, callback will be invoked if event's eventPhase attribute value is AT_TARGET.

    When set to true, options's passive indicates that the callback will not cancel the event by invoking preventDefault(). This is used to enable performance optimizations described in ยง 2.8 Observing event listeners.

    When set to true, options's once indicates that the callback will only be invoked once after which the event listener will be removed.

    If an AbortSignal is passed for options's signal, then the event listener will be removed when signal is aborted.

    The event listener is appended to target's event listener list and is not appended if it has the same type, callback, and capture.

    Parameters

    Returns void

  • Returns AnalyserNode

  • Returns BiquadFilterNode

  • Parameters

    • numberOfChannels: number
    • length: number
    • sampleRate: number

    Returns AudioBuffer

  • Parameters

    • Optional numberOfInputs: number

    Returns ChannelMergerNode

  • Parameters

    • Optional numberOfOutputs: number

    Returns ChannelSplitterNode

  • Returns ConstantSourceNode

  • Returns ConvolverNode

  • Parameters

    • Optional maxDelayTime: number

    Returns DelayNode

  • Returns GainNode

  • Parameters

    • feedforward: number[]
    • feedback: number[]

    Returns IIRFilterNode

  • Parameters

    • feedforward: Iterable<number>
    • feedback: Iterable<number>

    Returns IIRFilterNode

  • Returns OscillatorNode

  • Returns PannerNode

  • Parameters

    Returns PeriodicWave

  • Parameters

    • real: Iterable<number>
    • imag: Iterable<number>
    • Optional constraints: PeriodicWaveConstraints

    Returns PeriodicWave

  • Parameters

    • Optional bufferSize: number
    • Optional numberOfInputChannels: number
    • Optional numberOfOutputChannels: number

    Returns ScriptProcessorNode

  • Returns StereoPannerNode

  • Returns WaveShaperNode

  • Parameters

    • audioData: ArrayBuffer
    • Optional successCallback: null | DecodeSuccessCallback
    • Optional errorCallback: null | DecodeErrorCallback

    Returns Promise<AudioBuffer>

  • Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise.

    Parameters

    Returns boolean

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