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Interface RemovableAnalyserNode

An AnalyserNode that knows how to remove the inputs with which it was created. This allows us to safely clean up in Safari, which has issues if an analyzer is left hanging around.

Hierarchy

Index

Properties

AnalyserNode

AnalyserNode: { constructor: any; prototype: AnalyserNode }

Type declaration

  • constructor: function
    • new __type(context: BaseAudioContext, options?: AnalyserOptions): AnalyserNode
    • Parameters

      • context: BaseAudioContext
      • Optional options: AnalyserOptions

      Returns AnalyserNode

  • prototype: AnalyserNode

channelCount

channelCount: number

channelCountMode

channelCountMode: ChannelCountMode

channelInterpretation

channelInterpretation: ChannelInterpretation

Readonly context

context: BaseAudioContext

fftSize

fftSize: number

Readonly frequencyBinCount

frequencyBinCount: number

maxDecibels

maxDecibels: number

minDecibels

minDecibels: number

Readonly numberOfInputs

numberOfInputs: number

Readonly numberOfOutputs

numberOfOutputs: number

smoothingTimeConstant

smoothingTimeConstant: number

Methods

addEventListener

  • addEventListener(type: string, listener: EventListenerOrEventListenerObject | null, options?: boolean | AddEventListenerOptions): void
  • 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.

    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

    • type: string
    • listener: EventListenerOrEventListenerObject | null
    • Optional options: boolean | AddEventListenerOptions

    Returns void

connect

  • connect(destinationNode: AudioNode, output?: number, input?: number): AudioNode
  • connect(destinationParam: AudioParam, output?: number): void
  • Parameters

    • destinationNode: AudioNode
    • Optional output: number
    • Optional input: number

    Returns AudioNode

  • Parameters

    • destinationParam: AudioParam
    • Optional output: number

    Returns void

disconnect

  • disconnect(): void
  • disconnect(output: number): void
  • disconnect(destinationNode: AudioNode): void
  • disconnect(destinationNode: AudioNode, output: number): void
  • disconnect(destinationNode: AudioNode, output: number, input: number): void
  • disconnect(destinationParam: AudioParam): void
  • disconnect(destinationParam: AudioParam, output: number): void
  • Returns void

  • Parameters

    • output: number

    Returns void

  • Parameters

    • destinationNode: AudioNode

    Returns void

  • Parameters

    • destinationNode: AudioNode
    • output: number

    Returns void

  • Parameters

    • destinationNode: AudioNode
    • output: number
    • input: number

    Returns void

  • Parameters

    • destinationParam: AudioParam

    Returns void

  • Parameters

    • destinationParam: AudioParam
    • output: number

    Returns void

dispatchEvent

  • dispatchEvent(event: Event): boolean
  • 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

    • event: Event

    Returns boolean

getByteFrequencyData

  • getByteFrequencyData(array: Uint8Array): void

getByteTimeDomainData

  • getByteTimeDomainData(array: Uint8Array): void

getFloatFrequencyData

  • getFloatFrequencyData(array: Float32Array): void

getFloatTimeDomainData

  • getFloatTimeDomainData(array: Float32Array): void

removeEventListener

  • removeEventListener(type: string, callback: EventListenerOrEventListenerObject | null, options?: EventListenerOptions | boolean): void
  • Removes the event listener in target's event listener list with the same type, callback, and options.

    Parameters

    • type: string
    • callback: EventListenerOrEventListenerObject | null
    • Optional options: EventListenerOptions | boolean

    Returns void

removeOriginalInputs

  • removeOriginalInputs(): void

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