The threshold property of the DynamicsCompressorNode interface is a k-rate AudioParam representing the decibel value above which the compression will start taking effect.
The threshold property's default value is -24 and it can be set between -100 and 0.
An AudioParam.
Note: Though the AudioParam returned is read-only, the value it represents is not.
js
const audioCtx = new AudioContext();
const compressor = audioCtx.createDynamicsCompressor();
compressor.threshold.value = -50;
See BaseAudioContext.createDynamicsCompressor() for more complete example code.
| Specification |
|---|
| Web Audio API # dom-dynamicscompressornode-threshold |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
threshold |
19 | 12 | 25 | No | 15 | 6 | ≤37 | 25 | 25 | 14 | 6 | 1.5 |
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https://developer.mozilla.org/en-US/docs/Web/API/DynamicsCompressorNode/threshold