AudioContext.destination - Web API 接口参考 编辑

AudioContext的destination属性返回一个AudioDestinationNode表示context中所有音频（节点）的最终目标节点，一般是音频渲染设备，比如扬声器。

语法

var audioCtx = new AudioContext();
gainNode.connect(audioCtx.destination);

返回值

An AudioDestinationNode.

例子

注意：想要完整的例子，可以去看看MDN Github repo的DEMO，比如panner-node

var AudioContext = window.AudioContext || window.webkitAudioContext;
var audioCtx = new AudioContext();
// Older webkit/blink browsers require a prefix

var oscillatorNode = audioCtx.createOscillator();
var gainNode = audioCtx.createGain();

oscillatorNode.connect(gainNode);
gainNode.connect(audioCtx.destination);

规范

Specification	Status	Comment
Web Audio API destination	Working Draft

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	10.0webkit	25.0 (25.0)	未实现	15.0webkit 22 (unprefixed)	6.0webkit

Feature	Android	Firefox Mobile (Gecko)	Firefox OS	IE Mobile	Opera Mobile	Safari Mobile	Chrome for Android
Basic support	?	26.0	1.2	?	?	?	33.0

另见

• Using the Web Audio API