GainNode: gain property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The gain property of the GainNode interface is an a-rate AudioParam representing the amount of gain to apply.

Value

An AudioParam.

Note: Though the AudioParam returned is read-only, the value it represents is not.

Examples

See BaseAudioContext.createGain() for example code showing how to use an AudioContext to create a GainNode, which is then used to mute and unmute the audio by changing the gain property value.

Specifications

Specification
Web Audio API
# dom-gainnode-gain

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
gain
Chrome – Full support
Chrome 24 (Release date: 2013-01-10)
footnote Full support
Edge – Full support
Edge 12 (Release date: 2015-07-29)
footnote Full support
Firefox – Full support
Firefox 25 (Release date: 2013-10-29)
footnote Full support
Opera – Full support
Opera 15 (Release date: 2013-07-02)
footnote Full support
Safari – Full support
Safari 7 (Release date: 2013-10-22)
footnote Full support
Chrome Android – Full support
Chrome Android 25 (Release date: 2013-02-27)
footnote Full support
Firefox for Android – Full support
Firefox for Android 25 (Release date: 2013-10-29)
footnote Full support
Opera Android – Full support
Opera Android 14 (Release date: 2013-05-21)
footnote Full support
Safari on iOS – Full support
Safari on iOS 7 (Release date: 2013-09-18)
footnote Full support
Samsung Internet – Full support
Samsung Internet 1.5 (Release date: 2013-09-25)
footnote Full support
WebView Android – Full support
WebView Android 4.4 (Release date: 2013-12-09)
footnote Full support
WebView on iOS – Full support
WebView on iOS 7 (Release date: 2013-09-18)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also