Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The onaudioprocess event handler of the ScriptProcessorNode interface represents the event handler to be called for the audioprocess event that is dispatched to ScriptProcessorNode node types. An event of type AudioProcessingEvent will be dispatched to the event handler.
Note: This feature was replaced by AudioWorklets and the AudioWorkletNode interface.
var audioCtx = new AudioContext(); var scriptNode = audioCtx.createScriptProcessor(4096, 1, 1); scriptNode.onaudioprocess = function() { ... }
See BaseAudioContext.createScriptProcessor() for example code.
Since the August 29 2014 Web Audio API specification publication, this feature has been deprecated. It is no longer on track to become a standard.
It was replaced by AudioWorklets and the AudioWorkletNode interface.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
onaudioprocess |
14 |
12 |
25 |
No |
15 |
6 |
≤37 |
18 |
25 |
14 |
6 |
1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/ScriptProcessorNode/onaudioprocess