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<section id="module-winsound">
<span id="winsound-sound-playing-interface-for-windows"></span><h1><a class="reference internal" href="#module-winsound" title="winsound: Access to the sound-playing machinery for Windows. (Windows)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">winsound</span></code></a> —— Windows 系统的声音播放接口<a class="headerlink" href="#module-winsound" title="永久链接至标题"></a></h1>
<hr class="docutils" />
<p>通过 <a class="reference internal" href="#module-winsound" title="winsound: Access to the sound-playing machinery for Windows. (Windows)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">winsound</span></code></a> 模块可访问 Windows 平台的基础音频播放机制。包括一些函数和几个常量。</p>
<dl class="function">
<dt id="winsound.Beep">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">Beep</code><span class="sig-paren">(</span><em class="sig-param">frequency</em>, <em class="sig-param">duration</em><span class="sig-paren">)</span><a class="headerlink" href="#winsound.Beep" title="永久链接至目标"></a></dt>
<dd><p>让 PC 的扬声器发出提示音。<em>frequency</em> 参数可指定声音的频率，单位是赫兹，必须位于 37 到 32,767 之间。<em>duration</em> 参数则指定了声音应持续的毫秒数。若系统无法让扬声器发声，则会触发 <a class="reference internal" href="exceptions.html#RuntimeError" title="RuntimeError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RuntimeError</span></code></a>。</p>
</dd></dl>
<dl class="function">
<dt id="winsound.PlaySound">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">PlaySound</code><span class="sig-paren">(</span><em class="sig-param">sound</em>, <em class="sig-param">flags</em><span class="sig-paren">)</span><a class="headerlink" href="#winsound.PlaySound" title="永久链接至目标"></a></dt>
<dd><p>由平台 API 调用底层的 <code class="xref c c-func docutils literal notranslate"><span class="pre">PlaySound()</span></code> 函数。 参数 <em>sound</em> 可以是文件名、系统音频的别名、<a class="reference internal" href="../glossary.html#term-bytes-like-object"><span class="xref std std-term">bytes-like object</span></a> 的音频数据或``None``。 如何解释取决于 <em>flags</em> 的值，可为以下常数的二进制 OR 组合。 如果 <em>sound</em> 参数为 <code class="docutils literal notranslate"><span class="pre">None</span></code>，则当前播放的波形音频会全部停止。如果系统报错， 则会触发 <a class="reference internal" href="exceptions.html#RuntimeError" title="RuntimeError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RuntimeError</span></code></a>。</p>
</dd></dl>
<dl class="function">
<dt id="winsound.MessageBeep">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">MessageBeep</code><span class="sig-paren">(</span><em class="sig-param">type=MB_OK</em><span class="sig-paren">)</span><a class="headerlink" href="#winsound.MessageBeep" title="永久链接至目标"></a></dt>
<dd><p>由平台 API 调用底层的 <code class="xref c c-func docutils literal notranslate"><span class="pre">MessageBeep()</span></code> 函数。用于播放注册表中指定的音频。 <em>type</em> 参数指定播放的音频；可能的值是 <code class="docutils literal notranslate"><span class="pre">-1</span></code>、<code class="docutils literal notranslate"><span class="pre">MB_ICONASTERISK</span></code>、<code class="docutils literal notranslate"><span class="pre">MB_ICONEXCLAMATION</span></code>、<code class="docutils literal notranslate"><span class="pre">MB_ICONHAND</span></code>、<code class="docutils literal notranslate"><span class="pre">MB_ICONQUESTION</span></code> 和 <code class="docutils literal notranslate"><span class="pre">MB_OK</span></code>，下面会介绍。值 <code class="docutils literal notranslate"><span class="pre">-1</span></code> 会生成一个 &quot;简单的嘀声&quot;；若其他的音频无法播放，这是最后的退路。如果系统报错，则会触发 <a class="reference internal" href="exceptions.html#RuntimeError" title="RuntimeError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RuntimeError</span></code></a> 。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_FILENAME">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_FILENAME</code><a class="headerlink" href="#winsound.SND_FILENAME" title="永久链接至目标"></a></dt>
<dd><p>参数 <em>sound</em> 指明 WAV 文件名。不要与 <a class="reference internal" href="#winsound.SND_ALIAS" title="winsound.SND_ALIAS"><code class="xref py py-const docutils literal notranslate"><span class="pre">SND_ALIAS</span></code></a> 一起使用。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_ALIAS">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_ALIAS</code><a class="headerlink" href="#winsound.SND_ALIAS" title="永久链接至目标"></a></dt>
<dd><p>参数 <em>sound</em> 是注册表内关联的音频名称。 如果注册表中无此名称，则播放系统默认的声音，除非同时设定了 <a class="reference internal" href="#winsound.SND_NODEFAULT" title="winsound.SND_NODEFAULT"><code class="xref py py-const docutils literal notranslate"><span class="pre">SND_NODEFAULT</span></code></a> 。 如果没有注册默认声音，则会触发 <a class="reference internal" href="exceptions.html#RuntimeError" title="RuntimeError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RuntimeError</span></code></a>。 请勿与 <a class="reference internal" href="#winsound.SND_FILENAME" title="winsound.SND_FILENAME"><code class="xref py py-const docutils literal notranslate"><span class="pre">SND_FILENAME</span></code></a> 一起使用。</p>
<p>所有的 Win32 系统至少支持以下音频名称；大多数系统支持的音频都多于这些：</p>
<table class="docutils align-default">
<colgroup>
<col style="width: 39%" />
<col style="width: 61%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p><a class="reference internal" href="#winsound.PlaySound" title="winsound.PlaySound"><code class="xref py py-func docutils literal notranslate"><span class="pre">PlaySound()</span></code></a> <em>name</em></p></th>
<th class="head"><p>对应的控制面板音频名</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'SystemAsterisk'</span></code></p></td>
<td><p>星号</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'SystemExclamation'</span></code></p></td>
<td><p>叹息声</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'SystemExit'</span></code></p></td>
<td><p>退出 Windows</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'SystemHand'</span></code></p></td>
<td><p>关键性停止音</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'SystemQuestion'</span></code></p></td>
<td><p>问题</p></td>
</tr>
</tbody>
</table>
<p>例如</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">winsound</span>
<span class="c1"># Play Windows exit sound.</span>
<span class="n">winsound</span><span class="o">.</span><span class="n">PlaySound</span><span class="p">(</span><span class="s2">&quot;SystemExit&quot;</span><span class="p">,</span> <span class="n">winsound</span><span class="o">.</span><span class="n">SND_ALIAS</span><span class="p">)</span>
<span class="c1"># Probably play Windows default sound, if any is registered (because</span>
<span class="c1"># &quot;*&quot; probably isn&#39;t the registered name of any sound).</span>
<span class="n">winsound</span><span class="o">.</span><span class="n">PlaySound</span><span class="p">(</span><span class="s2">&quot;*&quot;</span><span class="p">,</span> <span class="n">winsound</span><span class="o">.</span><span class="n">SND_ALIAS</span><span class="p">)</span>
</pre></div>
</div>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_LOOP">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_LOOP</code><a class="headerlink" href="#winsound.SND_LOOP" title="永久链接至目标"></a></dt>
<dd><p>循环播放音频。为避免阻塞，必须同时使用 <a class="reference internal" href="#winsound.SND_ASYNC" title="winsound.SND_ASYNC"><code class="xref py py-const docutils literal notranslate"><span class="pre">SND_ASYNC</span></code></a> 标志。不能与 <a class="reference internal" href="#winsound.SND_MEMORY" title="winsound.SND_MEMORY"><code class="xref py py-const docutils literal notranslate"><span class="pre">SND_MEMORY</span></code></a> 一起使用。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_MEMORY">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_MEMORY</code><a class="headerlink" href="#winsound.SND_MEMORY" title="永久链接至目标"></a></dt>
<dd><p><a class="reference internal" href="#winsound.PlaySound" title="winsound.PlaySound"><code class="xref py py-func docutils literal notranslate"><span class="pre">PlaySound()</span></code></a> 的 <em>sound</em> 形参是一个 WAV 文件的内存镜像，作为一个 <a class="reference internal" href="../glossary.html#term-bytes-like-object"><span class="xref std std-term">bytes-like object</span></a>。</p>
<div class="admonition note">
<p class="admonition-title">注解</p>
<p>本模块不支持异步播放音频的内存镜像，所以该标志和 <a class="reference internal" href="#winsound.SND_ASYNC" title="winsound.SND_ASYNC"><code class="xref py py-const docutils literal notranslate"><span class="pre">SND_ASYNC</span></code></a> 的组合将触发 <a class="reference internal" href="exceptions.html#RuntimeError" title="RuntimeError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RuntimeError</span></code></a>。</p>
</div>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_PURGE">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_PURGE</code><a class="headerlink" href="#winsound.SND_PURGE" title="永久链接至目标"></a></dt>
<dd><p>停止播放指定声音的所有实例。</p>
<div class="admonition note">
<p class="admonition-title">注解</p>
<p>新版 Windows 平台不支持本标志。</p>
</div>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_ASYNC">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_ASYNC</code><a class="headerlink" href="#winsound.SND_ASYNC" title="永久链接至目标"></a></dt>
<dd><p>立即返回，允许异步播放音频。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_NODEFAULT">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_NODEFAULT</code><a class="headerlink" href="#winsound.SND_NODEFAULT" title="永久链接至目标"></a></dt>
<dd><p>即便找不到指定的音频，也不播放系统默认音频。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_NOSTOP">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_NOSTOP</code><a class="headerlink" href="#winsound.SND_NOSTOP" title="永久链接至目标"></a></dt>
<dd><p>不打断正在播放的音频。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.SND_NOWAIT">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">SND_NOWAIT</code><a class="headerlink" href="#winsound.SND_NOWAIT" title="永久链接至目标"></a></dt>
<dd><p>如果音频驱动程序忙，则立即返回。</p>
<div class="admonition note">
<p class="admonition-title">注解</p>
<p>新版 Windows 平台不支持本标志。</p>
</div>
</dd></dl>
<dl class="data">
<dt id="winsound.MB_ICONASTERISK">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">MB_ICONASTERISK</code><a class="headerlink" href="#winsound.MB_ICONASTERISK" title="永久链接至目标"></a></dt>
<dd><p>播放 <code class="docutils literal notranslate"><span class="pre">SystemDefault</span></code> 音频。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.MB_ICONEXCLAMATION">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">MB_ICONEXCLAMATION</code><a class="headerlink" href="#winsound.MB_ICONEXCLAMATION" title="永久链接至目标"></a></dt>
<dd><p>播放 <code class="docutils literal notranslate"><span class="pre">SystemExclamation</span></code> 音频。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.MB_ICONHAND">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">MB_ICONHAND</code><a class="headerlink" href="#winsound.MB_ICONHAND" title="永久链接至目标"></a></dt>
<dd><p>播放 <code class="docutils literal notranslate"><span class="pre">SystemHand</span></code> 音频。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.MB_ICONQUESTION">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">MB_ICONQUESTION</code><a class="headerlink" href="#winsound.MB_ICONQUESTION" title="永久链接至目标"></a></dt>
<dd><p>播放 <code class="docutils literal notranslate"><span class="pre">SystemQuestion</span></code> 音频。</p>
</dd></dl>
<dl class="data">
<dt id="winsound.MB_OK">
<code class="sig-prename descclassname">winsound.</code><code class="sig-name descname">MB_OK</code><a class="headerlink" href="#winsound.MB_OK" title="永久链接至目标"></a></dt>
<dd><p>播放 <code class="docutils literal notranslate"><span class="pre">SystemDefault</span></code> 音频。</p>
</dd></dl>
</section>
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