AudioWorklet

Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The AudioWorklet interface of the Web Audio API is used to supply custom audio processing scripts that execute in a separate thread to provide very low latency audio processing. The worklet's code is run in the AudioWorkletGlobalScope global execution context, using a separate Web Audio thread which is shared by the worklet and other audio nodes.

Access the audio context's instance of AudioWorklet through the BaseAudioContext.audioWorklet property.

Properties

The AudioWorklet interface does not define any properties of its own, but does inherit properties of Worklet.

Methods

This interface inherits methods from Worklet. The AudioWorklet interface does not define any methods of its own.

Events

AudioWorklet has no events to which it responds.

Examples

See AudioWorkletNode for complete examples of custom audio node creation.

Specifications

Specification	Status	Comment
Web Audio API The definition of 'AudioWorklet' in that specification.	Working Draft	Initial definition.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`AudioWorklet`	Chrome Full support 66	Edge Full support ≤79	Firefox Full support 76	IE ?	Opera Full support Yes	Safari ?	WebView Android Full support 66	Chrome Android Full support 66	Firefox Android No support No	Opera Android Full support Yes	Safari iOS ?	Samsung Internet Android Full support 9.0

Legend

Full support: Full support
No support: No support
Compatibility unknown: Compatibility unknown