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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/ja/web/api/audiodestinationnode/maxchannelcount | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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-rw-r--r-- | files/ja/web/api/audiodestinationnode/maxchannelcount/index.html | 113 |
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diff --git a/files/ja/web/api/audiodestinationnode/maxchannelcount/index.html b/files/ja/web/api/audiodestinationnode/maxchannelcount/index.html new file mode 100644 index 0000000000..d621bbf4ff --- /dev/null +++ b/files/ja/web/api/audiodestinationnode/maxchannelcount/index.html @@ -0,0 +1,113 @@ +--- +title: AudioDestinationNode.maxChannelCount +slug: Web/API/AudioDestinationNode/maxChannelCount +translation_of: Web/API/AudioDestinationNode/maxChannelCount +--- +<p>{{ APIRef("Web Audio API") }}</p> + +<div> +<p>{{ domxref("AudioDestinationNode") }}インターフェースの<code>maxchannelCount</code>プロパティは、<code>unsigned long</code>で表された物理的なデバイスが扱えるチャンネルの最大数です。</p> + +<p>{{domxref("AudioNode.channelCount")}}プロパティは0からこの値の間(両端を含む)です。もし{{domxref("OfflineAudioContext")}}のように<code>maxChannelCount</code>が0ならば、チャンネルの数は変えられません。</p> +</div> + +<h2 id="構文">構文</h2> + +<pre class="brush: js">var audioCtx = new AudioContext(); +var myDestination = audioCtx.destination; +myDestination.maxChannelCount = 2; +</pre> + +<h3 id="値">値</h3> + +<p><code>unsigned long</code></p> + +<h2 id="例">例</h2> + +<p>次の例は単純な設定です。<code>AudioDestinationNode</code>の<code>maxChannelCount</code>を2にしています。</p> + +<pre class="brush: js">var audioCtx = new AudioContext(); +var source = audioCtx.createMediaElementSource(myMediaElement); +source.connect(gainNode); +audioCtx.destination.maxChannelCount = 2; +gainNode.connect(audioCtx.destination);</pre> + +<p>完全な実装は、MDN Web Audioの<a class="external external-icon" href="http://mdn.github.io/voice-change-o-matic/">Voice-change-o-matic</a>や<a class="external external-icon" href="http://mdn.github.io/violent-theremin/">Violent Theremin</a>のようなサンプルを参考にしてください。</p> + +<h2 id="使用">使用</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-AudioDestinationNode-maxChannelCount', 'maxChannelCount')}}</td> + <td>{{Spec2('Web Audio API')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="ブラウザ互換性">ブラウザ互換性</h2> + +<div>{{CompatibilityTable}}</div> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</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>{{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>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>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="参考">参考</h2> + +<ul> + <li><a href="/en-US/docs/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li> +</ul> |