AudioWorklet
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.
Secure context: This feature is available only insecure contexts (HTTPS), in some or allsupporting browsers.
TheAudioWorklet interface of theWeb 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 theAudioWorkletGlobalScope 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 ofAudioWorklet through theBaseAudioContext.audioWorklet property.
Instance properties
This interface also inherits properties defined on its parent interface,Worklet.
portRead onlyExperimentalReturns a
MessagePortfor custom, asynchronous communication between code in the main thread and the global scope of an audio worklet.This allows for custom messages, such as sending and receiving control data or global settings.
Instance methods
This interface inherits methods fromWorklet. TheAudioWorklet interface does not define any methods of its own.
Events
AudioWorklet has no events to which it responds.
Examples
SeeAudioWorkletNode for complete examples of custom audio node creation.
Specifications
| Specification |
|---|
| Web Audio API # AudioWorklet |
Browser compatibility
See also
AudioWorkletGlobalScope— the global execution context of anAudioWorklet- Web Audio API
- Using the Web Audio API
- Using AudioWorklet