AudioContext

package js.html.audio

extends BaseAudioContext › EventTarget

Available on js

The AudioContext interface represents an audio-processing graph built from audio modules linked together, each represented by an AudioNode.

Documentation AudioContext by Mozilla Contributors, licensed under CC-BY-SA 2.5.

See also:

• https://developer.mozilla.org/en-US/docs/Web/API/AudioContext

Constructor

new(?contextOptions:Null<AudioContextOptions>)

Throws:

null	DOMError

Methods

close():Promise<Void>

Closes the audio context, releasing any system audio resources that it uses.

Throws:

null	DOMError

createMediaElementSource(mediaElement:MediaElement):MediaElementAudioSourceNode

Creates a MediaElementAudioSourceNode associated with an HTMLMediaElement. This can be used to play and manipulate audio from video or audio elements.

Throws:

null	DOMError

createMediaStreamDestination():MediaStreamAudioDestinationNode

Creates a MediaStreamAudioDestinationNode associated with a MediaStream representing an audio stream which may be stored in a local file or sent to another computer.

Throws:

null	DOMError

createMediaStreamSource(mediaStream:MediaStream):MediaStreamAudioSourceNode

Creates a MediaStreamAudioSourceNode associated with a MediaStream representing an audio stream which may come from the local computer microphone or other sources.

Throws:

null	DOMError

suspend():Promise<Void>

Suspends the progression of time in the audio context, temporarily halting audio hardware access and reducing CPU/battery usage in the process.

Throws:

null	DOMError