The GainNode()
constructor of the Web Audio API creates a new GainNode
object which an AudioNode
that represents a change in volume.
Note: You should typically call AudioContext.createGain()
to create a gain node.
Syntax
var gainNode = new GainNode(context, options)
Parameters
Inherits parameters from the AudioNodeOptions
dictionary.
context
- A reference to an
AudioContext
. options
Optional- Options are as follows:
gain
: The amount of gain to apply. This parameter is a-rate and it's nominal range is (-∞,+∞). The default is1
.
Return value
A new GainNode
object instance.
Specifications
Specification | Status | Comment |
---|---|---|
Web Audio API The definition of 'GainNode()' in that specification. |
Working Draft | Initial definition. |
Browser Compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 551 | ? | 53 | No | 42 | ? |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
---|---|---|---|---|---|---|---|
Basic support | 551 | 551 | ? | 53 | No | 42 | ? |
1. Before Chrome 59, the default values were not supported.