DelayNode() constructor of the Web 音频 API creates a new DelayNode object with a delay-line; an AudioNode audio-processing module that causes a delay between the arrival of an input data, and its propagation to the output.

句法

var delayNode = new DelayNode(context);
var delayNode = new DelayNode(context, options);
					

参数

Inherits parameters from the AudioNodeOptions 字典。

context
A reference to an AudioContext or OfflineAudioContext .
选项 可选
An object specifying the delay node options. Can contain the following members:
  • delayTime : The initial delay time for the node, in seconds. The default is 0 .
  • maxDelayTime : The maximum delay time for the node, in seconds. Defaults to 1 .

返回值

新的 DelayNode 对象实例。

范例

const audioCtx = new AudioContext();
const delayNode = new DelayNode(audioCtx, {
  delayTime: 0.5,
  maxDelayTime: 2,
});
					

规范

规范 状态 注释
Web 音频 API
The definition of 'DelayNode()' in that specification.
工作草案 初始定义。

浏览器兼容性

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. 更新 GitHub 上的兼容性数据
桌面 移动
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
DelayNode() 构造函数 Chrome 55 注意事项
55 注意事项
Before version 59, the default values were not supported.
Edge ≤79 Firefox 53 IE 不支持 No Opera 42 Safari ? WebView Android 55 注意事项
55 注意事项
Before version 59, the default values were not supported.
Chrome Android 55 Firefox Android 53 Opera Android 42 Safari iOS ? Samsung Internet Android 6.0 注意事项
6.0 注意事项
Before Samsung Internet 7.0, the default values were not supported.

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

见实现注意事项。

元数据

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