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diff --git a/files/zh-cn/web/api/mediastreamaudiosourcenode/index.html b/files/zh-cn/web/api/mediastreamaudiosourcenode/index.html new file mode 100644 index 0000000000..333c7d74a8 --- /dev/null +++ b/files/zh-cn/web/api/mediastreamaudiosourcenode/index.html @@ -0,0 +1,150 @@ +--- +title: MediaStreamAudioSourceNode +slug: Web/API/MediaStreamAudioSourceNode +tags: + - MediaStreamAudioSourceNode + - Web Audio API +translation_of: Web/API/MediaStreamAudioSourceNode +--- +<p>{{APIRef("Web Audio API")}}</p> + +<div> +<p><code>MediaStreamAudioSourceNode</code> 接口代表一个音频接口,是<a href="/en-US/docs/WebRTC" title="/en-US/docs/WebRTC">WebRTC</a> {{domxref("MediaStream")}} (比如一个摄像头或者麦克风)的一部分。是个表现为音频源的{{domxref("AudioNode")}}。</p> +</div> + +<p><code>MediaElementSourceNode没有输入,并且只有一个输出。创建之后使用</code> {{domxref("AudioContext.createMediaStreamSource")}}方法。输出通道的数量和{{domxref("AudioMediaStreamTrack")}}的通道数量相同。如果没有有效的媒体流,输出通道就变成一个静音的通道。</p> + +<table class="properties"> + <tbody> + <tr> + <th scope="row">Number of inputs</th> + <td><code>0</code></td> + </tr> + <tr> + <th scope="row">Number of outputs</th> + <td><code>1</code></td> + </tr> + <tr> + <th scope="row">Channel count</th> + <td>由{{domxref("AudioMediaStreamTrack")}}定义,传递给 {{domxref("AudioContext.createMediaStreamSource")}} ,并由此创建。</td> + </tr> + </tbody> +</table> + +<h2 id="构造器">构造器</h2> + +<dl> + <dt>{{domxref("MediaStreamAudioSourceNode.MediaStreamAudioSourceNode()")}}</dt> + <dd>创建一个新的<code>MediaStreamAudioSourceNode</code>实例。</dd> +</dl> + +<h2 id="属性">属性</h2> + +<p><em>从</em><em>{{domxref("AudioNode")}}上继承。</em></p> + +<h2 id="方法">方法</h2> + +<p><em>从</em><em>{{domxref("AudioNode")}}上继承。</em></p> + +<h2 id="示例">示例</h2> + +<p>{{page("/zh-CN/docs/Web/API/AudioContext/createMediaStreamSource","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', '#the-mediastreamaudiosourcenode-interface', 'MediaStreamAudioSourceNode')}}</td> + <td>{{Spec2('Web Audio API')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="兼容性">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="See_also">See also</h2> + +<ul> + <li><a href="/zh-CN/docs/Web/API/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li> +</ul> |