Web/API/GainNode/GainNode

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 is 1.

Return value

A new GainNode object instance.

Specifications

Specification	Status	Comment
Web Audio APIThe 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.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
GainNode() constructor	Chrome Full support 55 Notes' Full support 55 Notes' Notes' Before Chrome 59, the default values were not supported.	Edge Full support 79	Firefox Full support 53	IE No support No	Opera Full support 42	Safari No support No	WebView Android Full support 55 Notes' Full support 55 Notes' Notes' Before Chrome 59, the default values were not supported.	Chrome Android Full support 55 Notes' Full support 55 Notes' Notes' Before Chrome 59, the default values were not supported.	Firefox Android Full support 53	Opera Android Full support 42	Safari iOS No support No	Samsung Internet Android Full support 6.0 Notes' Full support 6.0 Notes' Notes' Before Samsung Internet 7.0, the default values were not supported.

Legend

Full support  

Full support

No support  

No support

See implementation notes.'

See implementation notes.

GainNode() by Mozilla Contributors is licensed under CC-BY-SA 2.5.