This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The GainNode() constructor creates a new GainNode object which an AudioNode that represents a change in volume.
You should typically call AudioContext.createGain() to create a gain node.
var gainNode = new GainNode(context, options)
contextAudioContext.options Optional
gain: The amount of gain to apply. This parameter is a-rate and it's nominal range is (-∞,+∞).| Specification | Status | Comment |
|---|---|---|
| Web Audio API The definition of 'GainNode()' in that specification. | Working Draft | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 55.0 | ? | ? | 44 | ? |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 55.0 | ? | ? | ? | 44 | ? | 55.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/GainNode/GainNode