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<h2>
<span class="refentrytitle">outkpb</span>
</h2>
<p>outkpb —
Sends MIDI pitch-bend messages at k-rate.
</p>
</div>
<div class="refsect1">
<a id="idm281472907290920"></a>
<h2>Description</h2>
<p>
Sends MIDI pitch-bend messages at k-rate.
</p>
</div>
<div class="refsect1">
<a id="idm281472907289672"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>outkpb</strong></span> kchn, kvalue, kmin, kmax</pre>
</div>
<div class="refsect1">
<a id="idm281472907216520"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>kchn</em></span> -- MIDI channel number (1-16)
</p>
<p>
<span class="emphasis"><em>kvalue</em></span> -- floating point value
</p>
<p>
<span class="emphasis"><em>kmin</em></span> -- minimum floating point value (converted in MIDI integer value 0)
</p>
<p>
<span class="emphasis"><em>kmax</em></span> -- maximum floating point value (converted in MIDI integer value 127 (7 bit))
</p>
<p>
<span class="emphasis"><em>outkpb</em></span> (k-rate pitch-bend output) sends pitch-bend messages. It works only with MIDI instruments which recognize them. It can drive a different value of a parameter for each note currently active.
</p>
<p>
It can scale the k-value floating-point argument according to the <span class="emphasis"><em>kmin</em></span> and <span class="emphasis"><em>kmax</em></span> values. For example: set <span class="emphasis"><em>kmin</em></span> = 1.0 and <span class="emphasis"><em>kmax</em></span> = 2.0.
When the <span class="emphasis"><em>kvalue</em></span> argument receives a 2.0 value, the opcode will send a 127 value to the MIDI OUT device. When the <span class="emphasis"><em>kvalue</em></span> argument receives a 1.0 value, it will send a 0 value. k-rate opcodes send a message each time the MIDI converted value of argument <span class="emphasis"><em>kvalue</em></span> changes.
</p>
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<div class="refsect1">
<a id="idm281472907207496"></a>
<h2>Examples</h2>
<p>
Here is an example of the outkpb opcode. It uses the file <a class="ulink" href="examples/outkpb.csd" target="_top"><em class="citetitle">outkpb.csd</em></a>.
</p>
<div class="example">
<a id="idm281472907205640"></a>
<p class="title">
<strong>Example 642. Example of the outkpb opcode.</strong>
</p>
<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<div class="refsect1">
<a id="idm281472730663160"></a>
<pre class="programlisting">
<span class="nt"><CsoundSynthesizer></span>
<span class="nt"><CsOptions></span>
<span class="c1">; Select audio/midi flags here according to platform</span>
-odac -Q1 -M0 <span class="c1">;;;realtime audio out and midi in and out</span>
<span class="c1">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="c1">; For Non-realtime ouput leave only the line below:</span>
<span class="c1">; -o outkpb.wav -W ;;; for file output any platform</span>
<span class="nt"></CsOptions></span>
<span class="nt"><CsInstruments></span>
<span class="vg">sr</span> <span class="o">=</span> <span class="mi">44100</span>
<span class="vg">ksmps</span> <span class="o">=</span> <span class="mi">10</span>
<span class="vg">nchnls</span> <span class="o">=</span> <span class="mi">2</span>
<span class="kd">instr</span> <span class="nf">1</span>
i<span class="n">key</span> <span class="nb">notnum</span>
i<span class="n">vel</span> <span class="nb">veloc</span>
k<span class="n">pch</span> <span class="nb">linseg</span> <span class="mi">100</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span> <span class="c1">;vary in 1 second</span>
k<span class="n">pb</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span>k<span class="n">pch</span><span class="p">)</span> <span class="c1">;whole numbers only</span>
<span class="nb">outkpb</span> <span class="mi">1</span><span class="p">,</span> k<span class="n">pb</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">127</span> <span class="c1">;(= pitchbend)</span>
<span class="nb">midion</span> <span class="mi">1</span><span class="p">,</span> i<span class="n">key</span><span class="p">,</span> i<span class="n">vel</span> <span class="c1">;of external synth</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="nb">f</span><span class="mi">0</span> <span class="mi">30</span>
<span class="nb">e</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
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<p><br class="example-break" />
</p>
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<div class="refsect1">
<a id="idm281472907201352"></a>
<h2>See Also</h2>
<p>
<a class="link" href="outiat.html" title="outiat"><em class="citetitle">outiat</em></a>,
<a class="link" href="outic14.html" title="outic14"><em class="citetitle">outic14</em></a>,
<a class="link" href="outic.html" title="outic"><em class="citetitle">outic</em></a>,
<a class="link" href="outipat.html" title="outipat"><em class="citetitle">outipat</em></a>,
<a class="link" href="outipb.html" title="outipb"><em class="citetitle">outipb</em></a>,
<a class="link" href="outipc.html" title="outipc"><em class="citetitle">outipc</em></a>,
<a class="link" href="outkat.html" title="outkat"><em class="citetitle">outkat</em></a>,
<a class="link" href="outkc14.html" title="outkc14"><em class="citetitle">outkc14</em></a>,
<a class="link" href="outkc.html" title="outkc"><em class="citetitle">outkc</em></a>,
<a class="link" href="outkpat.html" title="outkpat"><em class="citetitle">outkpat</em></a>,
<a class="link" href="outkpc.html" title="outkpc"><em class="citetitle">outkpc</em></a>
</p>
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<div class="refsect1">
<a id="idm281472907189704"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: Gabriel Maldonado</td>
</tr>
<tr>
<td>Italy</td>
</tr>
</table>
<p>
</p>
<p>New in Csound version 3.47</p>
<p>Thanks goes to Rasmus Ekman for pointing out the correct MIDI channel and controller number ranges.</p>
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