From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

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+---
+title: MediaElementAudioSourceNode
+slug: Web/API/MediaElementAudioSourceNode
+translation_of: Web/API/MediaElementAudioSourceNode
+---
+<p>{{APIRef("Web Audio API")}}</p>
+
+<div>
+<p><code>MediaElementAudioSourceNode</code> 接口代表着某个由HTML5 {{ htmlelement("audio") }} 或 {{ htmlelement("video") }} 元素所组成的音频源.该接口作为扮演音源的 {{domxref("AudioNode")}} 节点.</p>
+</div>
+
+<p><code>MediaElementSourceNode</code> 没有输入,只有一个输出,其由使用{{domxref("AudioContext.createMediaElementSource")}}方法创建.输出的频道数目与节点创建时引用音频 {{domxref("HTMLMediaElement")}}  的频道数目一致,或当 {{domxref("HTMLMediaElement")}} 无音频时,频道数目为 1.</p>
+
+<table class="properties">
+ <tbody>
+  <tr>
+   <th scope="row">输入数目</th>
+   <td><code>0</code></td>
+  </tr>
+  <tr>
+   <th scope="row">输出数目</th>
+   <td><code>1</code></td>
+  </tr>
+  <tr>
+   <th scope="row">频道数</th>
+   <td>由被传递给{{domxref("AudioContext.createMediaElementSource")}}的{{domxref("HTMLMediaElement")}}内的音频定义.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="构造函数">构造函数</h2>
+
+<dl>
+ <dt>{{domxref("MediaElementAudioSourceNode.MediaElementAudioSourceNode()")}}</dt>
+ <dd>创建一个新的 <code>MediaElementAudioSourceNode</code> 实例.</dd>
+</dl>
+
+<h2 id="属性">属性</h2>
+
+<p><em>集成其父类属性, </em><em>{{domxref("AudioNode")}}</em>.</p>
+
+<h2 id="方法">方法</h2>
+
+<p><em>集成其父类方法, {{domxref("AudioNode")}}</em>.</p>
+
+<h2 id="示例">示例</h2>
+
+<p>{{page("/zh-CN/docs/Web/API/AudioContext/createMediaElementSource","示例")}}</p>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Web Audio API', '#MediaElementAudioSourceNode', 'MediaElementAudioSourceNode')}}</td>
+   <td>{{Spec2('Web Audio API')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Edge</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari (WebKit)</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>14 {{property_prefix("webkit")}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoDesktop(25)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>15 {{property_prefix("webkit")}}<br>
+    22 (unprefixed)</td>
+   <td>6 {{property_prefix("webkit")}}</td>
+  </tr>
+  <tr>
+   <td>Constructor</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android</th>
+   <th>Chrome</th>
+   <th>Edge</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Phone</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatNo}}</td>
+   <td>28 {{property_prefix("webkit")}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoMobile(25)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>6 {{property_prefix("webkit")}}</td>
+  </tr>
+  <tr>
+   <td>Constructor</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="相关页面">相关页面</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li>
+</ul>
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