ConvolverNode | Web API

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构造函数
特性
方法
ConvolverNode Example
规范
浏览器兼容性
另请参阅
相关话题

ConvolverNode interface is an AudioNode that performs a Linear Convolution on a given AudioBuffer , often used to achieve a reverb effect. A ConvolverNode 总是准确拥有一个输入和一个输出。

注意 : For more information on the theory behind Linear Convolution, see the Convolution article on Wikipedia .

输入数	`1`
输出数	`1`
通道计数模式	`"clamped-max"`
通道计数	`1` , `2` ，或 `4`
通道解释	`"speakers"`

构造函数

ConvolverNode(): 创建新的 ConvolverNode 对象实例。

特性

继承的特性来自其父级， AudioNode .

ConvolverNode.buffer: A mono, stereo, or 4-channel AudioBuffer containing the (possibly multichannel) impulse response used by the ConvolverNode to create the reverb effect.
ConvolverNode.normalize: A boolean that controls whether the impulse response from the buffer will be scaled by an equal-power normalization when the buffer attribute is set, or not.

方法

No specific method; inherits methods from its parent, AudioNode .

ConvolverNode Example

The following example shows basic usage of an AudioContext to create a convolver node.

注意 : You will need to find an impulse response to complete the example below. See this Codepen for an applied example.

let audioCtx = new window.AudioContext();
async function createReverb() {
    let convolver = audioCtx.createConvolver();
    // load impulse response from file
    let response     = await fetch("path/to/impulse-response.wav");
    let arraybuffer  = await response.arrayBuffer();
    convolver.buffer = await audioCtx.decodeAudioData(arraybuffer);
    return convolver;
}
...
let reverb = await createReverb();
// someOtherAudioNode -> reverb -> destination
someOtherAudioNode.connect(reverb);
reverb.connect(audioCtx.destination);

规范

规范	状态	注释
Web 音频 API The definition of 'ConvolverNode' in that specification.	工作草案

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
`ConvolverNode`	Chrome 14	Edge ≤18	Firefox 25	IE 不支持 No	Opera 15	Safari 6	WebView Android Yes	Chrome Android 18	Firefox Android 26	Opera Android 14	Safari iOS Yes	Samsung Internet Android 1.0
`ConvolverNode()` 构造函数	Chrome 55	Edge ≤79	Firefox 53	IE 不支持 No	Opera 42	Safari ?	WebView Android 55	Chrome Android 55	Firefox Android 53	Opera Android 42	Safari iOS ?	Samsung Internet Android 6.0
`buffer`	Chrome 14	Edge 12	Firefox 25	IE 不支持 No	Opera 15	Safari 6	WebView Android Yes	Chrome Android 18	Firefox Android 26	Opera Android 14	Safari iOS Yes	Samsung Internet Android 1.0
`normalize`	Chrome 14	Edge 12	Firefox 25	IE 不支持 No	Opera 15	Safari 6	WebView Android Yes	Chrome Android 18	Firefox Android 26	Opera Android 14	Safari iOS Yes	Samsung Internet Android 1.0

图例

完整支持
不支持
兼容性未知 ?

另请参阅

使用 Web 音频 API

元数据

最后修改： Mar 30, 2020

在此页

构造函数

特性

方法

ConvolverNode Example

规范

浏览器兼容性

图例

另请参阅

相关话题