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898 lines
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<div class="header">
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javax.sound.midi
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</div>
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<h2 class="title" title="Interface MidiChannel">Interface MidiChannel</h2>
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<div class="description">
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">MidiChannel</span></pre>
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<div class="block">
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<span><code>MidiChannel</code>对象表示单个MIDI通道。</span>
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<span>通常,每个<code>MidiChannel</code>方法处理由MIDI规范定义的类似的MIDI“通道语音”或“通道模式”消息。</span>
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<span>然而, <code>MidiChannel</code>添加了一些“get”方法,它检索最近由一个标准MIDI通道消息设置的值。</span>
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<span>类似地,已经添加了每通道独奏和静音的方法。</span>
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<p> <span><code><a href="../../../javax/sound/midi/Synthesizer.html" title="interface in javax.sound.midi"><code>Synthesizer</code></a></code>对象具有MidiChannels的<code>MidiChannels</code> ,通常为MIDI 1.0规范规定的16个通道中的每一个。</span> <span><code>Synthesizer</code>的<code>MidiChannels</code>收到<code>noteOn</code>消息时会<code>noteOn</code>声音。</span> </p>
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<p> <span>有关MIDI通道消息的规定行为的更多信息,请参阅MIDI 1.0规范,这些不在此详细记录。</span> <span>该规格标题为<code>MIDI Reference: The Complete MIDI 1.0 Detailed Specification</code> ,由MIDI制造商协会( <a href="http://www.midi.org">http://www.midi.org</a> ) <a href="http://www.midi.org">出版</a> 。</span> </p>
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<p> <span>MIDI最初是用于报告键盘音乐人手势的协议。</span> <span>这个起源在<code>MidiChannel</code> API中是可见的,它保留了诸如键数,键速度和键压的MIDI概念。</span> <span>应当理解,MIDI数据不一定是由键盘播放器(源可以是不同类型的音乐家或软件)。</span> <span>某些设备可能会生成速度和压力的常量值,而不管音符的执行方式如何。</span> <span>此外,MIDI规范通常会使合成器以实现者认为合适的方式使用数据。</span> <span>例如,速度数据不一定总是映射到体积和/或亮度。</span> </p>
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</div>
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<dl>
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<dt>
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<span class="seeLabel">另请参见:</span>
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</dt>
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<dd>
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<a href="../../../javax/sound/midi/Synthesizer.html#getChannels--"><code>Synthesizer.getChannels()</code></a>
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</dd>
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</dl> </li>
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</ul>
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</div>
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<div class="summary">
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<ul class="blockList">
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<li class="blockList">
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<!-- ========== METHOD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.summary">
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<!-- --> </a> <h3>方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
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<caption>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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</caption>
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<tbody>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#allNotesOff--">allNotesOff</a></span>()</code>
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<div class="block">
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关闭当前在此频道上播放的所有音符。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#allSoundOff--">allSoundOff</a></span>()</code>
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<div class="block">
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立即关闭此通道上的所有声音,忽略保持踏板的状态和当前
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<code>Instrument</code>的内部衰减速率。
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</div> </td>
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</tr>
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<tr class="altColor" id="i2">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#controlChange-int-int-">controlChange</a></span>(int controller, int value)</code>
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<div class="block">
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反映指定控制器价值的变化。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i3">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getChannelPressure--">getChannelPressure</a></span>()</code>
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<div class="block">
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获取频道的键盘压力。
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</div> </td>
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</tr>
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<tr class="altColor" id="i4">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getController-int-">getController</a></span>(int controller)</code>
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<div class="block">
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获取指定控制器的当前值。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i5">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getMono--">getMono</a></span>()</code>
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<div class="block">
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获取当前单声道/多声道模式。
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</div> </td>
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</tr>
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<tr class="altColor" id="i6">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getMute--">getMute</a></span>()</code>
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<div class="block">
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获取此通道的当前静音状态。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i7">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getOmni--">getOmni</a></span>()</code>
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<div class="block">
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获取当前的全向模式。
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</div> </td>
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</tr>
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<tr class="altColor" id="i8">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getPitchBend--">getPitchBend</a></span>()</code>
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<div class="block">
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获得此通道的向上或向下音高偏移量。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i9">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getPolyPressure-int-">getPolyPressure</a></span>(int noteNumber)</code>
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<div class="block">
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获得指定键被压下的压力。
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</div> </td>
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</tr>
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<tr class="altColor" id="i10">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getProgram--">getProgram</a></span>()</code>
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<div class="block">
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获取此通道的当前程序编号。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i11">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#getSolo--">getSolo</a></span>()</code>
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<div class="block">
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获取此频道的当前独奏状态。
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</div> </td>
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</tr>
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<tr class="altColor" id="i12">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#localControl-boolean-">localControl</a></span>(boolean on)</code>
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<div class="block">
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打开或关闭本地控制。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i13">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#noteOff-int-">noteOff</a></span>(int noteNumber)</code>
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<div class="block">
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关闭指定的音符。
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</div> </td>
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</tr>
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<tr class="altColor" id="i14">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#noteOff-int-int-">noteOff</a></span>(int noteNumber, int velocity)</code>
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<div class="block">
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关闭指定的音符。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i15">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#noteOn-int-int-">noteOn</a></span>(int noteNumber, int velocity)</code>
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<div class="block">
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开始指定的音符声音。
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</div> </td>
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</tr>
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<tr class="altColor" id="i16">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#programChange-int-">programChange</a></span>(int program)</code>
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<div class="block">
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更改程序(补丁)。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i17">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#programChange-int-int-">programChange</a></span>(int bank, int program)</code>
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<div class="block">
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使用银行和程序(补丁)号码更改程序。
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</div> </td>
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</tr>
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<tr class="altColor" id="i18">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#resetAllControllers--">resetAllControllers</a></span>()</code>
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<div class="block">
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将所有实现的控制器重置为其默认值。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i19">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#setChannelPressure-int-">setChannelPressure</a></span>(int pressure)</code>
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<div class="block">
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反应键盘压力的变化。
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</div> </td>
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</tr>
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<tr class="altColor" id="i20">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#setMono-boolean-">setMono</a></span>(boolean on)</code>
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<div class="block">
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打开或关闭单声道模式。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i21">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#setMute-boolean-">setMute</a></span>(boolean mute)</code>
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<div class="block">
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设置此通道的静音状态。
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</div> </td>
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</tr>
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<tr class="altColor" id="i22">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#setOmni-boolean-">setOmni</a></span>(boolean on)</code>
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<div class="block">
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打开或关闭全向模式。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i23">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#setPitchBend-int-">setPitchBend</a></span>(int bend)</code>
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<div class="block">
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更改此通道上所有音符的音高偏移量。
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</div> </td>
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</tr>
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<tr class="altColor" id="i24">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#setPolyPressure-int-int-">setPolyPressure</a></span>(int noteNumber, int pressure)</code>
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<div class="block">
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反映指定笔记的关键压力的变化。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i25">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/sound/midi/MidiChannel.html#setSolo-boolean-">setSolo</a></span>(boolean soloState)</code>
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<div class="block">
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设置此频道的独奏状态。
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</div> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul> </li>
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</ul>
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</div>
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<div class="details">
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<ul class="blockList">
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<li class="blockList">
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<!-- ============ METHOD DETAIL ========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.detail">
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<!-- --> </a> <h3>方法详细信息</h3> <a name="noteOn-int-int-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>noteOn</h4> <pre>void noteOn(int noteNumber,
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int velocity)</pre>
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<div class="block">
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<span>开始指定的音符声音。</span>
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<span>键控速度通常控制音符的音量和/或亮度。</span>
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<span>如果<code>velocity</code>为零,则该方法代替<a href="../../../javax/sound/midi/MidiChannel.html#noteOff-int-"><code>noteOff(int)</code></a> ,终止笔记。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>noteNumber</code> - MIDI音符编号,从0到127(60 =中等C)
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</dd>
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<dd>
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<code>velocity</code> - 键被压低的速度
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</dd>
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<dt>
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<span class="seeLabel">另请参见:</span>
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</dt>
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<dd>
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<a href="../../../javax/sound/midi/MidiChannel.html#noteOff-int-int-"><code>noteOff(int, int)</code></a>
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</dd>
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</dl> </li>
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</ul> <a name="noteOff-int-int-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>noteOff</h4> <pre>void noteOff(int noteNumber,
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int velocity)</pre>
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<div class="block">
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<span>关闭指定的音符。</span>
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<span>键入速度(如果不被忽略)可用于影响音符衰减的速度。</span>
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<span>在任何情况下,笔记可能不会立即消失;</span>
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<span>其衰减率由Instrument的内部<code>Instrument</code> 。</span>
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<span>如果保持踏板(控制器,参见<a href="../../../javax/sound/midi/MidiChannel.html#controlChange-int-int-"><code>controlChange</code></a> )已关闭,则此方法的效果将推迟到踏板释放。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>noteNumber</code> - MIDI音符号,从0到127(60 =中等C)
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</dd>
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<dd>
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<code>velocity</code> - 释放密钥的速度
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</dd>
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<dt>
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<span class="seeLabel">另请参见:</span>
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</dt>
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<dd>
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<a href="../../../javax/sound/midi/MidiChannel.html#noteOff-int-"><code>noteOff(int)</code></a> ,
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<a href="../../../javax/sound/midi/MidiChannel.html#noteOn-int-int-"><code>noteOn(int, int)</code></a> ,
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<a href="../../../javax/sound/midi/MidiChannel.html#allNotesOff--"><code>allNotesOff()</code></a> ,
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<a href="../../../javax/sound/midi/MidiChannel.html#allSoundOff--"><code>allSoundOff()</code></a>
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</dd>
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</dl> </li>
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</ul> <a name="noteOff-int-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>noteOff</h4> <pre>void noteOff(int noteNumber)</pre>
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<div class="block">
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关闭指定的音符。
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>noteNumber</code> - MIDI音符编号,从0到127(60 =中间C)
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</dd>
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<dt>
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<span class="seeLabel">另请参见:</span>
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</dt>
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<dd>
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<a href="../../../javax/sound/midi/MidiChannel.html#noteOff-int-int-"><code>noteOff(int, int)</code></a>
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</dd>
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</dl> </li>
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</ul> <a name="setPolyPressure-int-int-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>setPolyPressure</h4> <pre>void setPolyPressure(int noteNumber,
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int pressure)</pre>
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<div class="block">
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<span>反映指定笔记的关键压力的变化。</span>
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<span>复音键压力允许键盘播放器同时按下多个键,每个按键具有不同的压力。</span>
|
||
<span>压力(如果不被忽略)通常用于改变音符的音量,亮度或颤音等特征。</span>
|
||
<span>底层合成器可能不支持此MIDI消息。</span>
|
||
<span>为了验证<code>setPolyPressure</code>是否成功,请使用<code>getPolyPressure</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>noteNumber</code> - MIDI音符编号,从0到127(60 =中等C)
|
||
</dd>
|
||
<dd>
|
||
<code>pressure</code> - 指定键的值,从0到127(127 =最大压力)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#getPolyPressure-int-"><code>getPolyPressure(int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getPolyPressure-int-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getPolyPressure</h4> <pre>int getPolyPressure(int noteNumber)</pre>
|
||
<div class="block">
|
||
获得指定键被压下的压力。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>noteNumber</code> - MIDI音符编号,从0到127(60 =中间C)如果设备不支持设置
|
||
<code>setPolyPressure</code>压力,该方法总是返回0.调用
|
||
<code>setPolyPressure</code>将不起作用。
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
该笔记压力从0到127(127 =最大压力)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setPolyPressure-int-int-"><code>setPolyPressure(int, int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="setChannelPressure-int-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>setChannelPressure</h4> <pre>void setChannelPressure(int pressure)</pre>
|
||
<div class="block">
|
||
<span>反应键盘压力的变化。</span>
|
||
<span>通道压力表示键盘播放器压低整个键盘的难度。</span>
|
||
<span>这可以是<code>setPolyPressure</code>设置的每个按键压力传感器值的最大值或平均值。</span>
|
||
<span>更常见的是,它是对不具有复音键压力的器件上的单个传感器的测量。</span>
|
||
<span>压力可用于控制声音的各个方面,如<code>setPolyPressure</code> <a href="../../../javax/sound/midi/MidiChannel.html#setPolyPressure-int-int-">所述</a> 。</span>
|
||
<span>底层合成器可能不支持此MIDI消息。</span>
|
||
<span>为了验证<code>setChannelPressure</code>是否成功,请使用<code>getChannelPressure</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>pressure</code> - 键盘被压下的压力,从0到127(127 =最大压力)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setPolyPressure-int-int-"><code>setPolyPressure(int, int)</code></a> ,
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#getChannelPressure--"><code>getChannelPressure()</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getChannelPressure--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getChannelPressure</h4> <pre>int getChannelPressure()</pre>
|
||
<div class="block">
|
||
<span>获取频道的键盘压力。</span>
|
||
<span>如果设备不支持设置通道压力,则此方法始终返回0.调用<code>setChannelPressure</code>将不起作用。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
该笔记压力从0到127(127 =最大压力)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setChannelPressure-int-"><code>setChannelPressure(int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="controlChange-int-int-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>controlChange</h4> <pre>void controlChange(int controller,
|
||
int value)</pre>
|
||
<div class="block">
|
||
<span>反映指定控制器价值的变化。</span>
|
||
<span>控制器是除键盘键之外的一些控制器,例如开关,滑块,踏板,轮子或呼吸压力传感器。</span>
|
||
<span>MIDI 1.0规范为MIDI设备上的典型控制器提供标准号码,并描述了某些控制器的预期效果。</span>
|
||
<span><code>Instrument</code>对控制器更改的反应方式可能特定于<code>Instrument</code> 。</span>
|
||
<p> <span>MIDI 1.0规范定义了7位控制器和14位控制器。</span> <span>连续的控制器,例如轮子和滑块,通常具有14位(两个MIDI字节),而离散控制器(例如开关)通常具有7位(一个MIDI字节)。</span> <span>请参阅规范以查看每种控制类型的预期分辨率。</span> </p>
|
||
<p> <span>控制器64到95(0x40 - 0x5F)允许7位精度。</span> <span>一个7位控制器的值完全由<code>value</code>参数设置。</span> <span>另外一组控制器通过使用两个控制器编号提供14位精度,一个用于最高有效7位,另一个用于最不重要的7位。</span> <span>控制器编号0到31(0x00 - 0x1F)控制最高有效位的14位控制器;</span> <span>控制器编号32到63(0x20 - 0x3F)控制这些控制器的最低有效7位。</span> <span>例如,控制器编号7(0x07)控制通道音量控制器的高7位,控制器编号39(0x27)控制低7位。</span> <span>14位控制器的值由两半的相互作用决定。</span> <span>当控制器的最高有效7位(使用控制器编号0到31)时,低7位自动设置为0.然后可以使用较低7位的相应控制器编号进一步调制控制器值。</span> <span>底层合成器可能不支持特定的控制器消息。</span> <span>为了验证<code>controlChange</code>的呼叫是否成功,请使用<code>getController</code> 。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>controller</code> - 控制器号码(0〜127;请参阅MIDI 1.0规格说明)
|
||
</dd>
|
||
<dd>
|
||
<code>value</code> - 指定控制器更改的值(0到127)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#getController-int-"><code>getController(int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getController-int-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getController</h4> <pre>int getController(int controller)</pre>
|
||
<div class="block">
|
||
<span>获取指定控制器的当前值。</span>
|
||
<span>返回值用7位表示。</span>
|
||
<span>对于14位控制器,需要单独获取MSB和LSB控制器值。</span>
|
||
<span>例如,音量控制器的14位值可以通过将控制器7(0x07,通道音量MSB)的值乘以128并将控制器39的值(0x27,通道音量LSB)相加来计算。</span>
|
||
<span>如果设备不支持设置特定控制器,该方法将为该控制器返回0。</span>
|
||
<span>调用<code>controlChange</code>将不起作用。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<span><code>controller</code> - 需要其值的控制器的编号。</span>
|
||
<span>允许范围为0-127;</span>
|
||
<span>请参阅MIDI 1.0规范的解释。</span>
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
指定控制器的当前值(0〜127)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#controlChange-int-int-"><code>controlChange(int, int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="programChange-int-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>programChange</h4> <pre>void programChange(int program)</pre>
|
||
<div class="block">
|
||
<span>更改程序(补丁)。</span>
|
||
<span>这将从当前选定的乐器库中选择一个特定乐器。</span>
|
||
<p> <span>MIDI规范不规定已经发声的音符是否应切换到新乐器(音色)或继续其原始音色,直到由音符关闭终止。</span> </p>
|
||
<p> <span>程序号为0(从0到127表示)。</span> <span>请注意,MIDI硬件显示和关于MIDI的文献通常使用1到128的范围。</span> <span>底层合成器可能不支持特定的程序。</span> <span>为了验证<code>programChange</code>的呼叫是否成功,请使用<code>getProgram</code> 。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>program</code> - 要切换到的程序号(0到127)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#programChange-int-int-"><code>programChange(int, int)</code></a> ,
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#getProgram--"><code>getProgram()</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="programChange-int-int-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>programChange</h4> <pre>void programChange(int bank,
|
||
int program)</pre>
|
||
<div class="block">
|
||
<span>使用银行和程序(补丁)号码更改程序。</span>
|
||
<span>底层合成器可能不支持特定的银行或程序。</span>
|
||
<span>为了验证<code>programChange</code>的呼叫是否成功,请使用<code>getProgram</code>和<code>getController</code> 。</span>
|
||
<span>由于银行通过控制变更的方式进行更改,因此您可以使用以下声明验证当前银行:</span>
|
||
<pre> <span>int bank = (getController(0) * 128)
|
||
+ getController(32);</span> </pre>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>bank</code> - 要切换到的银行号码(0至16383)
|
||
</dd>
|
||
<dd>
|
||
<code>program</code> - 在指定银行使用的程序(补丁)(0到127)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#programChange-int-"><code>programChange(int)</code></a> ,
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#getProgram--"><code>getProgram()</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getProgram--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getProgram</h4> <pre>int getProgram()</pre>
|
||
<div class="block">
|
||
获取此通道的当前程序编号。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
当前所选补丁的程序号
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/Patch.html#getProgram--"><code>Patch.getProgram()</code></a> ,
|
||
<a href="../../../javax/sound/midi/Synthesizer.html#loadInstrument-javax.sound.midi.Instrument-"><code>Synthesizer.loadInstrument(javax.sound.midi.Instrument)</code></a> ,
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#programChange-int-"><code>programChange(int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="setPitchBend-int-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>setPitchBend</h4> <pre>void setPitchBend(int bend)</pre>
|
||
<div class="block">
|
||
<span>更改此通道上所有音符的音高偏移量。</span>
|
||
<span>这会影响目前所有的音符和随后的音符。</span>
|
||
<span>(为了停止弯曲,该值需要重置到中心位置。)</span>
|
||
<p> <span>MIDI规范规定音高为14位值,零为最大向下弯曲,16383为最大向上弯曲,8192为中心(无节距弯曲)。</span> <span>音高变化的实际量未指定;</span> <span>它可以通过俯仰灵敏度设置来改变。</span> <span>然而,通用MIDI规范说,默认范围应该是从中心向上和向下两个半音。</span> <span>底层合成器可能不支持此MIDI消息。</span> <span>为了验证<code>setPitchBend</code>是否成功,请使用<code>getPitchBend</code> 。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>bend</code> - 音调变化量,作为非负14位值(8192 =无弯)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#getPitchBend--"><code>getPitchBend()</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getPitchBend--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getPitchBend</h4> <pre>int getPitchBend()</pre>
|
||
<div class="block">
|
||
<span>获得此通道的向上或向下音高偏移量。</span>
|
||
<span>如果设备不支持设置音高,此方法总是返回8192.调用<code>setPitchBend</code>将不起作用。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
弯曲量,作为非负14位值(8192 =无弯)
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setPitchBend-int-"><code>setPitchBend(int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="resetAllControllers--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>resetAllControllers</h4> <pre>void resetAllControllers()</pre>
|
||
<div class="block">
|
||
将所有实现的控制器重置为其默认值。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#controlChange-int-int-"><code>controlChange(int, int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="allNotesOff--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>allNotesOff</h4> <pre>void allNotesOff()</pre>
|
||
<div class="block">
|
||
<span>关闭当前在此频道上播放的所有音符。</span>
|
||
<span>票据可能不会立即消失;</span>
|
||
<span>它们的衰减率由Instrument的内部<code>Instrument</code> 。</span>
|
||
<span>如果保持踏板控制器(见<a href="../../../javax/sound/midi/MidiChannel.html#controlChange-int-int-"><code>controlChange</code></a> )关闭,则此方法的效果将延迟,直到踏板松开。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#allSoundOff--"><code>allSoundOff()</code></a> ,
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#noteOff-int-"><code>noteOff(int)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="allSoundOff--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>allSoundOff</h4> <pre>void allSoundOff()</pre>
|
||
<div class="block">
|
||
立即关闭此通道上的所有声音,忽略保持踏板的状态和当前
|
||
<code>Instrument</code>的内部衰减速率。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#allNotesOff--"><code>allNotesOff()</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="localControl-boolean-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>localControl</h4> <pre>boolean localControl(boolean on)</pre>
|
||
<div class="block">
|
||
<span>打开或关闭本地控制。</span>
|
||
<span>默认值为本地控制。</span>
|
||
<span>“开”设置意味着如果设备能够合成声音和发送MIDI消息,则它会根据其本身传输的音符开启和音符关闭消息来合成声音。</span>
|
||
<span>它还将响应从其他发射设备接收的消息。</span>
|
||
<span>“关闭”设置意味着合成器将忽略其自己发送的MIDI消息,而不会从其他设备接收的消息。</span>
|
||
<span>底层合成器可能不支持本地控制。</span>
|
||
<span>为了验证对<code>localControl</code>的调用是否成功,请检查返回值。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>on</code> -
|
||
<code>true</code>打开本地控制,
|
||
<code>false</code>关闭本地控制
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
新的本地控制值,如果不支持本地控制,则为false
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="setMono-boolean-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>setMono</h4> <pre>void setMono(boolean on)</pre>
|
||
<div class="block">
|
||
<span>打开或关闭单声道模式。</span>
|
||
<span>在单声道模式下,通道一次只合成一个音符。</span>
|
||
<span>在多模式(与单声道关闭相同)中,通道可以同时合成多个音符。</span>
|
||
<span>默认为单声道关闭(多模式打开)。</span>
|
||
<p> <span>“单声道”是“单声道”这个词的缩写,在这种情况下,它与“复音”一词相反,是指每个MIDI通道单个合成器的声音。</span> <span>它与可能有多少音频通道无关(如“单声道”和“立体声”录音)。</span> <span>底层合成器可能不支持单声道模式。</span> <span>为了验证对<code>setMono</code>的呼叫是否成功,请使用<code>getMono</code> 。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>on</code> -
|
||
<code>true</code>打开单声道模式,
|
||
<code>false</code>将其关闭(这意味着打开多模式模式)。
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<span><a href="../../../javax/sound/midi/MidiChannel.html#getMono--"><code>getMono()</code></a> , <a href="../../../javax/sound/midi/VoiceStatus.html" title="javax.sound.midi中的类"><code>VoiceStatus</code></a></span>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getMono--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getMono</h4> <pre>boolean getMono()</pre>
|
||
<div class="block">
|
||
<span>获取当前单声道/多声道模式。</span>
|
||
<span>合成不允许改变单/多模式将始终返回相同的值,无论调用到<code>setMono</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
<code>true</code>如果单声道模式打开,否则
|
||
<code>false</code> (意思是多模式打开)。
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setMono-boolean-"><code>setMono(boolean)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="setOmni-boolean-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>setOmni</h4> <pre>void setOmni(boolean on)</pre>
|
||
<div class="block">
|
||
<span>打开或关闭全向模式。</span>
|
||
<span>在全方式模式下,频道响应所有频道上发送的消息。</span>
|
||
<span>当全方位关闭时,频道仅响应其频道号码发送的消息。</span>
|
||
<span>默认是全方位关闭。</span>
|
||
<span>底层合成器可能不支持全向模式。</span>
|
||
<span>为了验证<code>setOmni</code>是否成功,请使用<code>getOmni</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>on</code> -
|
||
<code>true</code>打开全方位模式,
|
||
<code>false</code>关闭它。
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<span><a href="../../../javax/sound/midi/MidiChannel.html#getOmni--"><code>getOmni()</code></a> , <a href="../../../javax/sound/midi/VoiceStatus.html" title="javax.sound.midi中的类"><code>VoiceStatus</code></a></span>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getOmni--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getOmni</h4> <pre>boolean getOmni()</pre>
|
||
<div class="block">
|
||
<span>获取当前的全向模式。</span>
|
||
<span>不允许更改全向模式的合成器将始终返回相同的值,而不管调用<code>setOmni</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
<code>true</code>如果全方位模式打开,否则
|
||
<code>false</code> (意味着全向模式关闭)。
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setOmni-boolean-"><code>setOmni(boolean)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="setMute-boolean-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>setMute</h4> <pre>void setMute(boolean mute)</pre>
|
||
<div class="block">
|
||
<span>设置此通道的静音状态。</span>
|
||
<span><code>true</code>的值表示通道要静音, <code>false</code>表示通道可以声音(如果其他通道没有独奏)。</span>
|
||
<p> <span>与<a href="../../../javax/sound/midi/MidiChannel.html#allSoundOff--"><code>allSoundOff()</code></a>不同,此方法仅适用于特定通道,而不适用于所有通道。</span> <span>此外,它不仅沉默了当前的声音,还随后收到了笔记。</span> <span>底层合成器可能不支持静音通道。</span> <span>为了验证对<code>setMute</code>的呼叫是否成功,请使用<code>getMute</code> 。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>mute</code> - 新的静音状态
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#getMute--"><code>getMute()</code></a> ,
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setSolo-boolean-"><code>setSolo(boolean)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getMute--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getMute</h4> <pre>boolean getMute()</pre>
|
||
<div class="block">
|
||
<span>获取此通道的当前静音状态。</span>
|
||
<span>如果底层合成器不支持对该通道进行静音,则此方法始终返回<code>false</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
<code>true</code>通道静音,否则为
|
||
<code>false</code>
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setMute-boolean-"><code>setMute(boolean)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="setSolo-boolean-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>setSolo</h4> <pre>void setSolo(boolean soloState)</pre>
|
||
<div class="block">
|
||
<span>设置此频道的独奏状态。</span>
|
||
<span>如果<code>solo</code>是<code>true</code>只有这个通道和其他独奏频道才会发出声音。</span>
|
||
<span>如果<code>solo</code>是<code>false</code>则除非没有声道独奏,否则只有其他独奏声道才会发出声音,在这种情况下,所有未静音通道都会发出声音。</span>
|
||
<span>底层合成器可能不支持独奏频道。</span>
|
||
<span>为了验证对<code>setSolo</code>的调用是否成功,请使用<code>getSolo</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>soloState</code> - 频道的新独奏状态
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#getSolo--"><code>getSolo()</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getSolo--">
|
||
<!-- --> </a>
|
||
<ul class="blockListLast">
|
||
<li class="blockList"> <h4>getSolo</h4> <pre>boolean getSolo()</pre>
|
||
<div class="block">
|
||
<span>获取此频道的当前独奏状态。</span>
|
||
<span>如果底层合成器在此频道上不支持独奏,则此方法总是返回<code>false</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
<code>true</code>通道是独奏的,如果没有
|
||
<code>false</code>
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../../javax/sound/midi/MidiChannel.html#setSolo-boolean-"><code>setSolo(boolean)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> </li>
|
||
</ul> </li>
|
||
</ul>
|
||
</div>
|
||
</div> |