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
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
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 |