This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The release property of the DynamicsCompressorNode interface Is a k-rate AudioParam representing the amount of time, in seconds, required to increase the gain by 10 dB. It defines how quick the signal is adapted when its volume is reduced.
The release property's default value is 0.25 and it can be set between 0 and 1.
An AudioParam.
Note: Though the AudioParam returned is read-only, the value it represents is not.
const audioCtx = new AudioContext(); const compressor = audioCtx.createDynamicsCompressor(); compressor.release.value = 0.25;
See BaseAudioContext.createDynamicsCompressor() for more complete example code.
| Specification |
|---|
| Web Audio API> # dom-dynamicscompressornode-release> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
release |
20 | 12 | 25 | 15 | 6 | 25 | 25 | 14 | 6 | 1.5 | 4.4 | 6 |
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/DynamicsCompressorNode/release