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author | Florian Merz <me@fiji-flo.de> | 2021-02-11 12:56:40 +0100 |
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committer | Florian Merz <me@fiji-flo.de> | 2021-02-11 12:56:40 +0100 |
commit | 310fd066e91f454b990372ffa30e803cc8120975 (patch) | |
tree | d5d900deb656a5da18e0b60d00f0db73f3a2e88e /files/zh-cn/web/api/audiocontext/createwaveshaper/index.html | |
parent | 8260a606c143e6b55a467edf017a56bdcd6cba7e (diff) | |
download | translated-content-310fd066e91f454b990372ffa30e803cc8120975.tar.gz translated-content-310fd066e91f454b990372ffa30e803cc8120975.tar.bz2 translated-content-310fd066e91f454b990372ffa30e803cc8120975.zip |
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diff --git a/files/zh-cn/web/api/audiocontext/createwaveshaper/index.html b/files/zh-cn/web/api/audiocontext/createwaveshaper/index.html deleted file mode 100644 index 7aef8d5688..0000000000 --- a/files/zh-cn/web/api/audiocontext/createwaveshaper/index.html +++ /dev/null @@ -1,133 +0,0 @@ ---- -title: AudioContext.createWaveShaper() -slug: Web/API/AudioContext/createWaveShaper -translation_of: Web/API/BaseAudioContext/createWaveShaper ---- -<p>{{ APIRef("Web Audio API") }}</p> - -<p>{{ domxref("AudioContext") }} 接口的createWaveShaper()方法创建了 表示非线性失真的{{ domxref("WaveShaperNode") }}。该节点通常被用来给音频添加失真效果</p> - -<h2 id="语法">语法</h2> - -<pre class="brush: js">var audioCtx = new AudioContext(); -var distortion = audioCtx.createWaveShaper();</pre> - -<h3 id="Description" name="Description">返回</h3> - -<p>A {{domxref("WaveShaperNode")}}.</p> - -<h2 id="Example" name="Example">例子</h2> - -<p>The following example shows basic usage of an AudioContext to create a wave shaper node. For applied examples/information, check out our <a href="http://mdn.github.io/voice-change-o-matic/">Voice-change-O-matic</a><a href="http://mdn.github.io/voice-change-o-matic/"> demo</a> (<a href="https://github.com/mdn/voice-change-o-matic/blob/gh-pages/scripts/app.js">see app.js</a> for relevant code).</p> - -<p>下面的例子展示了AudioContext创建一个波形整形器节点的基本用法。有关应用示例/信息,请查看我们的<a href="http://mdn.github.io/voice-change-o-matic/">oice-change-O-matic</a><a href="http://mdn.github.io/voice-change-o-matic/"> demo</a>演示(有关代码,请参阅<a href="https://github.com/mdn/voice-change-o-matic/blob/gh-pages/scripts/app.js">app.js</a>)。</p> - -<div class="note"> -<p><strong>注</strong>:实现失真曲线并不是简单的事情,你可能需要到处找资料来找到这样的算法。我们在<a href="http://stackoverflow.com/questions/22312841/waveshaper-node-in-webaudio-how-to-emulate-distortion">Stack Overflow</a>上找到了以下的失真曲线代码</p> -</div> - -<pre class="brush: js">var audioCtx = new (window.AudioContext || window.webkitAudioContext)(); -var distortion = audioCtx.createWaveShaper(); - - ... - -function makeDistortionCurve(amount) { - var k = typeof amount === 'number' ? amount : 50, - n_samples = 44100, - curve = new Float32Array(n_samples), - deg = Math.PI / 180, - i = 0, - x; - for ( ; i < n_samples; ++i ) { - x = i * 2 / n_samples - 1; - curve[i] = ( 3 + k ) * x * 20 * deg / ( Math.PI + k * Math.abs(x) ); - } - return curve; -}; - - ... - -distortion.curve = makeDistortionCurve(400); -distortion.oversample = '4x';</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-AudioContext-createWaveShaper-WaveShaperNode', 'createWaveShaper()')}}</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(10.0)}}{{property_prefix("webkit")}}</td> - <td>{{CompatVersionUnknown}}</td> - <td>{{CompatGeckoDesktop(25.0)}} </td> - <td>{{CompatNo}}</td> - <td>15.0{{property_prefix("webkit")}}<br> - 22 (unprefixed)</td> - <td>6.0{{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>Edge</th> - <th>Firefox Mobile (Gecko)</th> - <th>Firefox OS</th> - <th>IE Mobile</th> - <th>Opera Mobile</th> - <th>Safari Mobile</th> - <th>Chrome for Android</th> - </tr> - <tr> - <td>Basic support</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatVersionUnknown}}</td> - <td>26.0</td> - <td>1.2</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatUnknown}}</td> - <td>33.0</td> - </tr> - </tbody> -</table> -</div> - -<h2 id="See_also">See also</h2> - -<ul> - <li><a href="/en-US/docs/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li> -</ul> |