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diff --git a/files/zh-cn/web/api/audiobuffer/audiobuffer/index.html b/files/zh-cn/web/api/audiobuffer/audiobuffer/index.html
new file mode 100644
index 0000000000..0b207a8d4c
--- /dev/null
+++ b/files/zh-cn/web/api/audiobuffer/audiobuffer/index.html
@@ -0,0 +1,59 @@
+---
+title: AudioBuffer()
+slug: Web/API/AudioBuffer/AudioBuffer
+translation_of: Web/API/AudioBuffer/AudioBuffer
+---
+<p>{{APIRef("Web Audio API")}}</p>
+
+<p><span class="seoSummary"><a href="/en-US/docs/Web/API/Web_Audio_API">Web Audio API</a> 的 <strong><code>AudioBuffer</code></strong> 构造函数将创建一个新的 {{domxref("AudioBuffer")}} 对象.</span></p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">var audioBuffer = new AudioBuffer([options]);
+var audioBuffer = new AudioBuffer(context[, options]);</pre>
+
+<h3 id="参数">参数</h3>
+
+<p><em>继承参数自 {{domxref("AudioNodeOptions")}} 字典</em>.</p>
+
+<dl>
+ <dt><em>context </em>{{obsolete_inline("")}}</dt>
+ <dd>一个 {{domxref("AudioContext")}} 对象. (这个参数已经被标准移除, 详细信息请参阅浏览器兼容性部分.)</dd>
+ <dt><em>options</em> {{optional_inline}}</dt>
+ <dd>Options are as follows:
+ <ul>
+  <li><code>length</code>: buffer中采样帧的长度.</li>
+  <li><code>numberOfChannels</code>: buffer的通道数. 默认值为1. </li>
+  <li><code>sampleRate</code>: buffer的采样率 (Hz). 默认值为构造此对象时使用的 <code>context</code> 的采样率.</li>
+ </ul>
+ </dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p>一个新的 {{domxref("AudioBuffer")}} 对象实例.</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','#AudioBuffer','AudioBuffer')}}</td>
+   <td>{{Spec2('Web Audio API')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>
+
+
+<p>{{Compat("api.AudioBuffer.AudioBuffer")}}</p>
+</div>
diff --git a/files/zh-cn/web/api/audiobuffer/copyfromchannel/index.html b/files/zh-cn/web/api/audiobuffer/copyfromchannel/index.html
new file mode 100644
index 0000000000..2cbcf3a57b
--- /dev/null
+++ b/files/zh-cn/web/api/audiobuffer/copyfromchannel/index.html
@@ -0,0 +1,137 @@
+---
+title: AudioBuffer.copyFromChannel()
+slug: Web/API/AudioBuffer/copyFromChannel
+translation_of: Web/API/AudioBuffer/copyFromChannel
+---
+<p>{{ APIRef("Web Audio API") }}</p>
+
+<div>
+<p><span class="seoSummary">{{ domxref("AudioBuffer") }}接口的copyFromChannel方法将样本从AudioBuffer的指定通道复制到目标数组中</span></p>
+</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><em>myArrayBuffer</em>.copyFromChannel(<em>destination</em>,<em>channelNumber</em>,<em>startInChannel</em>);</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><em>destination</em></dt>
+ <dd>将通道数据复制到的{{domxref("Float32Array")}}</dd>
+ <dt><em>channelNumber</em></dt>
+ <dd>当前AudioBuffer的通道号，用于复制通道数据。键入channelNumber大于或等于{{domxref("AudioBuffer.numberOfChannels")}}，将会抛出<code>INDEX_SIZE_ERR</code> 的错误</dd>
+ <dt><em>startInChannel</em> {{optional_inline}}</dt>
+ <dd>用于复制数据的可选偏移量。假如<em>startInChannel比</em>{{domxref("AudioBuffer.length")}}大，将会抛出<code>INDEX_SIZE_ERR</code> 的错误</dd>
+</dl>
+
+<h2 id="例子">例子</h2>
+
+<pre class="brush: js">var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+var anotherArray = new Float32Array;
+myArrayBuffer.copyFromChannel(anotherArray,1,0);
+</pre>
+
+<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', '#widl-AudioBuffer-copyFromChannel-void-Float32Array-destination-long-channelNumber-unsigned-long-startInChannel', 'copyFromChannel')}}</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>{{CompatChrome(14.0)}} {{property_prefix("webkit")}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoDesktop(27)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>15 {{property_prefix("webkit")}}<br>
+    22 (unprefixed)</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+  <tr>
+   <td>Unprefixed</td>
+   <td>{{CompatChrome(43.0)}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</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>Android Webview</th>
+   <th>Edge</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>Firefox OS</th>
+   <th>IE Phone</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+   <th>Chrome for Android</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoMobile(27)}}</td>
+   <td>1.2</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatChrome(28.0)}} {{property_prefix("webkit")}}</td>
+  </tr>
+  <tr>
+   <td>Unprefixed</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatChrome(43.0)}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</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>
diff --git a/files/zh-cn/web/api/audiobuffer/duration/index.html b/files/zh-cn/web/api/audiobuffer/duration/index.html
new file mode 100644
index 0000000000..42b804569e
--- /dev/null
+++ b/files/zh-cn/web/api/audiobuffer/duration/index.html
@@ -0,0 +1,128 @@
+---
+title: AudioBuffer.duration
+slug: Web/API/AudioBuffer/duration
+translation_of: Web/API/AudioBuffer/duration
+---
+<p>{{ APIRef("Web Audio API") }}</p>
+
+<div>
+<p>{{domxref("AudioBuffer")}}接口的duration属性返回一个双精度数，表示缓冲区中存储的PCM数据的持续时间（以秒为单位）</p>
+</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="brush: js;highlight[22]">var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+myArrayBuffer.duration;</pre>
+
+<h3 id="值">值</h3>
+
+<p>双精度值</p>
+
+<h2 id="例子">例子</h2>
+
+<pre class="brush: js;highlight[22]">// Stereo
+var channels = 2;
+
+// Create an empty two second stereo buffer at the
+// sample rate of the AudioContext
+var frameCount = audioCtx.sampleRate * 2.0;
+var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+
+button.onclick = function() {
+  // Fill the buffer with white noise;
+  // just random values between -1.0 and 1.0
+  for (var channel = 0; channel &lt; channels; channel++) {
+    // This gives us the actual ArrayBuffer that contains the data
+    var nowBuffering = myArrayBuffer.getChannelData(channel);
+    for (var i = 0; i &lt; frameCount; i++) {
+      // Math.random() is in [0; 1.0]
+      // audio needs to be in [-1.0; 1.0]
+      nowBuffering[i] = Math.random() * 2 - 1;
+    }
+  }
+
+  console.log(myArrayBuffer.duration);
+}
+</pre>
+
+<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', '#widl-AudioBuffer-duration', 'duration')}}</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>23</td>
+   <td>{{CompatNo}}</td>
+   <td>15 {{property_prefix("webkit")}}<br>
+    22 (unprefixed)</td>
+   <td>6 {{property_prefix("webkit")}}</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>Firefox OS</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>25</td>
+   <td>1.2</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>6 {{property_prefix("webkit")}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</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>
diff --git a/files/zh-cn/web/api/audiobuffer/getchanneldata/index.html b/files/zh-cn/web/api/audiobuffer/getchanneldata/index.html
new file mode 100644
index 0000000000..2c0d75cb1b
--- /dev/null
+++ b/files/zh-cn/web/api/audiobuffer/getchanneldata/index.html
@@ -0,0 +1,102 @@
+---
+title: AudioBuffer.getChannelData()
+slug: Web/API/AudioBuffer/getChannelData
+translation_of: Web/API/AudioBuffer/getChannelData
+---
+<p>{{ APIRef("Web Audio API") }}</p>
+
+<p> {{ domxref("AudioBuffer") }} 接口的getChannelData()方法返回一{{domxref("Float32Array")}} ，其中包含与通道关联的PCM数据，通道参数定义(0表示第一个通道)。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="brush: js;highlight[22]">var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+var nowBuffering = myArrayBuffer.getChannelData(channel);</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt>channel</dt>
+ <dd>channel属性是要获取特定通道数据的索引。0代表第一个通道。 如果索引值大于或等于{{domxref("AudioBuffer.numberOfChannels")}}, 会抛出一个索引大小异常（<code>INDEX_SIZE_ERR</code> ）的错误。</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p> {{domxref("Float32Array")}}.</p>
+
+<dl>
+</dl>
+
+<h2 id="例子">例子</h2>
+
+<p>在下例中，我们创建一个2秒钟的缓冲区，用白噪声填充它，然后通过{{domxref("AudioBufferSourceNode") }}来播放它. 评论应该会清楚的解释发生的事情。 你也可以<a href="https://mdn.github.io/webaudio-examples/audio-buffer/">实时运行代码</a>，或者<a href="https://github.com/mdn/webaudio-examples">查看源代码</a>。</p>
+
+<pre class="brush: js;highlight[21]">var audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+var button = document.querySelector('button');
+var pre = document.querySelector('pre');
+var myScript = document.querySelector('script');
+
+pre.innerHTML = myScript.innerHTML;
+
+// Stereo
+var channels = 2;
+// Create an empty two second stereo buffer at the
+// sample rate of the AudioContext
+var frameCount = audioCtx.sampleRate * 2.0;
+
+var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+
+button.onclick = function() {
+  // Fill the buffer with white noise;
+  //just random values between -1.0 and 1.0
+  for (var channel = 0; channel &lt; channels; channel++) {
+   // This gives us the actual ArrayBuffer that contains the data
+   var nowBuffering = myArrayBuffer.getChannelData(channel);
+   for (var i = 0; i &lt; frameCount; i++) {
+     // Math.random() is in [0; 1.0]
+     // audio needs to be in [-1.0; 1.0]
+     nowBuffering[i] = Math.random() * 2 - 1;
+   }
+  }
+
+  // Get an AudioBufferSourceNode.
+  // This is the AudioNode to use when we want to play an AudioBuffer
+  var source = audioCtx.createBufferSource();
+  // set the buffer in the AudioBufferSourceNode
+  source.buffer = myArrayBuffer;
+  // connect the AudioBufferSourceNode to the
+  // destination so we can hear the sound
+  source.connect(audioCtx.destination);
+  // start the source playing
+  source.start();
+}</pre>
+
+<h2 id="Specification">Specification</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', '#dom-audiobuffer-getchanneldata', 'getChannelData')}}</td>
+   <td>{{Spec2('Web Audio API')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<div>
+
+
+<p>{{Compat("api.AudioBuffer.getChannelData")}}</p>
+</div>
+
+<h2 id="See_also">See also</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>
diff --git a/files/zh-cn/web/api/audiobuffer/index.html b/files/zh-cn/web/api/audiobuffer/index.html
new file mode 100644
index 0000000000..2922de46d6
--- /dev/null
+++ b/files/zh-cn/web/api/audiobuffer/index.html
@@ -0,0 +1,111 @@
+---
+title: AudioBuffer
+slug: Web/API/AudioBuffer
+translation_of: Web/API/AudioBuffer
+---
+<p>{{APIRef("Web Audio API")}}</p>
+
+<div>
+<p>AudioBuffer接口表示存在内存里的一段短小的音频资源，利用{{ domxref("AudioContext.decodeAudioData()") }}方法从一个音频文件构建，或者利用 {{ domxref("AudioContext.createBuffer()") }}从原始数据构建。把音频放入AudioBuffer后，可以传入到一个 {{ domxref("AudioBufferSourceNode") }}进行播放。</p>
+</div>
+
+<p>这些类型对象被设计来控制小音频片段，往往短于45秒。对于更长的声音，通过 {{domxref("MediaElementAudioSourceNode")}}来实现更为合适。缓存区（buffer）包含以下数据：不间断的IEEE75432位线性PCM，从-1到1的范围额定，就是说，32位的浮点缓存区的每个样本在-1.0到1.0之间。如果{{domxref("AudioBuffer")}}有不同的频道，他们通常被保存在独立的缓存区。</p>
+
+<h2 id="属性">属性</h2>
+
+<dl>
+ <dt>{{domxref("AudioBuffer.sampleRate")}} {{readonlyInline}}</dt>
+ <dd>存储在缓存区的PCM数据的采样率：浮点数，单位为 sample/s。</dd>
+ <dt>{{domxref("AudioBuffer.length")}} {{readonlyInline}}</dt>
+ <dd>返回存储在缓存区的PCM数据的采样帧率：整形。</dd>
+ <dt>{{domxref("AudioBuffer.duration")}} {{readonlyInline}}</dt>
+ <dd>返回存储在缓存区的PCM数据的时长：双精度型（单位为秒），。</dd>
+ <dt>{{domxref("AudioBuffer.numberOfChannels")}} {{readonlyInline}}</dt>
+ <dd>返回存储在缓存区的PCM数据的通道数：整形。</dd>
+</dl>
+
+<h2 id="方法">方法</h2>
+
+<dl>
+ <dt>{{domxref("AudioBuffer.getChannelData()")}}</dt>
+ <dd>返回一个 {{jsxref("Float32Array")}}，包含了带有频道的PCM数据，由频道参数定义（有0代表第一个频道）</dd>
+ <dt>{{domxref("AudioBuffer.copyFromChannel()")}}</dt>
+ <dd>从AudioBuffer的指定频道复制到数组终端。</dd>
+ <dt>{{domxref("AudioBuffer.copyToChannel()")}}</dt>
+ <dd>复制样品到原数组的AudioBuffer的指定频道</dd>
+</dl>
+
+<h2 id="例子">例子</h2>
+
+<p>以下的例子展示了如何构建一个AudioBuffer以及随机用白噪音填充。你可以在 <a href="https://github.com/mdn/webaudio-examples/tree/master/audio-buffer">audio-buffer demo</a>库发现完整的源代码；一个<a href="https://mdn.github.io/webaudio-examples/audio-buffer/">running live</a> 的版本也可获得。</p>
+
+<pre class="brush: js;highlight:[7,14,27] notranslate">// Stereo
+var channels = 2;
+
+// Create an empty two second stereo buffer at the
+// sample rate of the AudioContext
+var frameCount = audioCtx.sampleRate * 2.0;
+var myArrayBuffer = audioCtx.createBuffer(channels, frameCount, audioCtx.sampleRate);
+
+button.onclick = function() {
+  // Fill the buffer with white noise;
+  // just random values between -1.0 and 1.0
+  for (var channel = 0; channel &lt; channels; channel++) {
+    // This gives us the actual array that contains the data
+    var nowBuffering = myArrayBuffer.getChannelData(channel);
+    for (var i = 0; i &lt; frameCount; i++) {
+      // Math.random() is in [0; 1.0]
+      // audio needs to be in [-1.0; 1.0]
+      nowBuffering[i] = Math.random() * 2 - 1;
+    }
+  }
+
+  // Get an AudioBufferSourceNode.
+  // This is the AudioNode to use when we want to play an AudioBuffer
+  var source = audioCtx.createBufferSource();
+
+  // set the buffer in the AudioBufferSourceNode
+  source.buffer = myArrayBuffer;
+
+  // connect the AudioBufferSourceNode to the
+  // destination so we can hear the sound
+  source.connect(audioCtx.destination);
+
+  // start the source playing
+  source.start();
+
+}
+</pre>
+
+<h2 id="规格参数">规格参数</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">规格参数</th>
+   <th scope="col">状态</th>
+   <th scope="col">注释</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Web Audio API', '#the-audiobuffer-interface', 'AudioBuffer')}}</td>
+   <td>{{Spec2('Web Audio API')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div class="hidden">
+<p>此页面上的兼容性表是由结构化数据生成的。如果您想贡献数据，请查看https://github.com/mdn/browser-compat-data并向我们提交pull request。</p>
+</div>
+
+<p>{{Compat("api.AudioBuffer")}}</p>
+
+<div></div>
+
+<h2 id="可查看">可查看</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Web_Audio_API/Using_Web_Audio_API">应用Web Audio API </a></li>
+</ul>
diff --git a/files/zh-cn/web/api/audiobuffer/length/index.html b/files/zh-cn/web/api/audiobuffer/length/index.html
new file mode 100644
index 0000000000..054584f83b
--- /dev/null
+++ b/files/zh-cn/web/api/audiobuffer/length/index.html
@@ -0,0 +1,129 @@
+---
+title: AudioBuffer.length
+slug: Web/API/AudioBuffer/length
+translation_of: Web/API/AudioBuffer/length
+---
+<p>{{ APIRef("Web Audio API") }}</p>
+
+<div>
+<p>The <code>length</code> property of the {{ domxref("AudioBuffer") }} interface returns an integer representing the length, in sample-frames, of the PCM data stored in the buffer.</p>
+
+<p>{{ domxref("AudioBuffer") }} 的length属性接口返回整数，该整数代表采样帧中，存贮在缓冲区中的PCM数据的长度</p>
+</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="brush: js;highlight[22]">var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+myArrayBuffer.length;</pre>
+
+<h3 id="值">值</h3>
+
+<p>浮点数</p>
+
+<h2 id="例子">例子</h2>
+
+<pre class="brush: js;highlight[22]">// Stereo
+var channels = 2;
+
+// Create an empty two second stereo buffer at the
+// sample rate of the AudioContext
+var frameCount = audioCtx.sampleRate * 2.0;
+var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+
+button.onclick = function() {
+  // Fill the buffer with white noise;
+  // just random values between -1.0 and 1.0
+  for (var channel = 0; channel &lt; channels; channel++) {
+    // This gives us the actual ArrayBuffer that contains the data
+    var nowBuffering = myArrayBuffer.getChannelData(channel);
+    for (var i = 0; i &lt; frameCount; i++) {
+      // Math.random() is in [0; 1.0]
+      // audio needs to be in [-1.0; 1.0]
+      nowBuffering[i] = Math.random() * 2 - 1;
+    }
+  }
+
+  console.log(myArrayBuffer.length);
+}</pre>
+
+<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', '#widl-AudioBuffer-length', 'length')}}</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>23</td>
+   <td>{{CompatNo}}</td>
+   <td>15 {{property_prefix("webkit")}}<br>
+    22 (unprefixed)</td>
+   <td>6 {{property_prefix("webkit")}}</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>Firefox OS</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>25</td>
+   <td>1.2</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>6 {{property_prefix("webkit")}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</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>
diff --git a/files/zh-cn/web/api/audiobuffer/numberofchannels/index.html b/files/zh-cn/web/api/audiobuffer/numberofchannels/index.html
new file mode 100644
index 0000000000..5ea379d53a
--- /dev/null
+++ b/files/zh-cn/web/api/audiobuffer/numberofchannels/index.html
@@ -0,0 +1,132 @@
+---
+title: AudioBuffer.numberOfChannels
+slug: Web/API/AudioBuffer/numberOfChannels
+tags:
+  - API
+  - AudioBuffer
+  - Web Audio API
+  - 属性
+translation_of: Web/API/AudioBuffer/numberOfChannels
+---
+<p>{{ APIRef("Web Audio API") }}</p>
+
+<div>
+<p>{{ domxref("AudioBuffer") }}接口的<code>numberOfChannels</code>属性返回一个整数，该整数表示由缓冲区中存储的PCM数据描述的离散音频通道的数量</p>
+</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="brush: js;highlight[22]">var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+myArrayBuffer.numberOfChannels;</pre>
+
+<h3 id="返回值">返回值</h3>
+
+<p>一个整数。</p>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js;highlight[22]">// Stereo
+var channels = 2;
+
+// Create an empty two second stereo buffer at the
+// sample rate of the AudioContext
+var frameCount = audioCtx.sampleRate * 2.0;
+var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+
+button.onclick = function() {
+  // Fill the buffer with white noise;
+  // just random values between -1.0 and 1.0
+  for (var channel = 0; channel &lt; channels; channel++) {
+    // This gives us the actual ArrayBuffer that contains the data
+    var nowBuffering = myArrayBuffer.getChannelData(channel);
+    for (var i = 0; i &lt; frameCount; i++) {
+      // Math.random() is in [0; 1.0]
+      // audio needs to be in [-1.0; 1.0]
+      nowBuffering[i] = Math.random() * 2 - 1;
+    }
+  }
+
+  console.log(myArrayBuffer.numberOfChannels);
+}</pre>
+
+<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', '#widl-AudioBuffer-numberOfChannels', 'numberOfChannels')}}</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>23</td>
+   <td>{{CompatNo}}</td>
+   <td>15 {{property_prefix("webkit")}}<br>
+    22 (unprefixed)</td>
+   <td>6 {{property_prefix("webkit")}}</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>Firefox OS</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>25</td>
+   <td>1.2</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>6 {{property_prefix("webkit")}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="相关链接">相关链接</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>
diff --git a/files/zh-cn/web/api/audiobuffer/samplerate/index.html b/files/zh-cn/web/api/audiobuffer/samplerate/index.html
new file mode 100644
index 0000000000..1de2c66fb5
--- /dev/null
+++ b/files/zh-cn/web/api/audiobuffer/samplerate/index.html
@@ -0,0 +1,81 @@
+---
+title: AudioBuffer.sampleRate
+slug: Web/API/AudioBuffer/sampleRate
+tags:
+  - API
+  - AudioBuffer
+  - Web Audio API
+  - sampleRate
+translation_of: Web/API/AudioBuffer/sampleRate
+---
+<p>{{ APIRef("Web Audio API") }}</p>
+
+<div>
+<p>{{ domxref("AudioBuffer") }} 接口的 <code style="">sampleRate</code><span style='background-color: transparent; color: #333333; display: inline !important; float: none; font-family: "Open Sans",arial,x-locale-body,sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal;'> </span>属性返回一个以浮点数表示的采样率。该采样率是存储在缓冲区的PCM数据每秒钟的采样。</p>
+</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="brush: js;highlight[22]">var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+myArrayBuffer.sampleRate;</pre>
+
+<h3 id="返回值">返回值</h3>
+
+<p>一个浮点数，表示缓冲区数据的当前采样率。</p>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js;highlight[22]">// Stereo
+var channels = 2;
+
+// Create an empty two second stereo buffer at the
+// sample rate of the AudioContext
+var frameCount = audioCtx.sampleRate * 2.0;
+var myArrayBuffer = audioCtx.createBuffer(2, frameCount, audioCtx.sampleRate);
+
+button.onclick = function() {
+  // Fill the buffer with white noise;
+  // just random values between -1.0 and 1.0
+  for (var channel = 0; channel &lt; channels; channel++) {
+    // This gives us the actual ArrayBuffer that contains the data
+    var nowBuffering = myArrayBuffer.getChannelData(channel);
+    for (var i = 0; i &lt; frameCount; i++) {
+      // Math.random() is in [0; 1.0]
+      // audio needs to be in [-1.0; 1.0]
+      nowBuffering[i] = Math.random() * 2 - 1;
+    }
+  }
+
+  console.log(myArrayBuffer.sampleRate);
+}</pre>
+
+<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', '#widl-AudioBuffer-sampleRate', 'sampleRate')}}</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>
+
+
+<p>{{Compat("api.AudioBuffer.sampleRate")}}</p>
+</div>
+
+<h2 id="相关链接">相关链接</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>