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<span class="refentrytitle">midic7</span>
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<p>midic7 —
Allows a floating-point 7-bit MIDI signal scaled with a minimum and a maximum range.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp30792264"></a>
<h2>Description</h2>
<p>
Allows a floating-point 7-bit MIDI signal scaled with a minimum and a maximum range.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp30792944"></a>
<h2>Syntax</h2>
<pre class="synopsis">idest <span class="command"><strong>midic7</strong></span> ictlno, imin, imax [, ifn]</pre>
<pre class="synopsis">kdest <span class="command"><strong>midic7</strong></span> ictlno, kmin, kmax [, ifn]</pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp30844000"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>idest</em></span> -- output signal
</p>
<p>
<span class="emphasis"><em>ictlno</em></span> -- MIDI controller number (0-127)
</p>
<p>
<span class="emphasis"><em>imin</em></span> -- user-defined minimum floating-point value of output
</p>
<p>
<span class="emphasis"><em>imax</em></span> -- user-defined maximum floating-point value of output
</p>
<p>
<span class="emphasis"><em>ifn</em></span> (optional) -- table to be read when indexing is required. Table must be normalized. Output is scaled according to the <span class="emphasis"><em>imin</em></span> and <span class="emphasis"><em>imax</em></span> values.
</p>
</div>
<div class="refsect1" title="Performance">
<a id="idp30847112"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>kdest</em></span> -- output signal
</p>
<p>
<span class="emphasis"><em>kmin</em></span> -- user-defined minimum floating-point value of output
</p>
<p>
<span class="emphasis"><em>kmax</em></span> -- user-defined maximum floating-point value of output
</p>
<p>
<span class="emphasis"><em>midic7</em></span> (i- and k-rate 7 bit MIDI control) allows a floating-point 7-bit MIDI signal scaled with a minimum and a maximum range. It also allows optional non-interpolated table indexing. In <span class="emphasis"><em>midic7</em></span> minimum and maximum values can be varied at k-rate.
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<th align="left">Note</th>
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<td align="left" valign="top">
<p>Please note that the <span class="emphasis"><em>midic</em></span> family of opcodes are designed for MIDI triggered events, and don't require a channel number since they will respond to the same channel as the one that triggered the instrument (see <a class="link" href="massign.html" title="massign"><em class="citetitle">massign</em></a>). However they will crash if called from a score driven event.</p>
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<div class="refsect1" title="Examples">
<a id="idp30851104"></a>
<h2>Examples</h2>
<p>
Here is an example of the midic7 opcode. It uses the file <a class="ulink" href="examples/midic7.csd" target="_top"><em class="citetitle">midic7.csd</em></a>
</p>
<div class="example">
<a id="idp30852056"></a>
<p class="title">
<strong>Example 453. Example of the midic7 opcode.</strong>
</p>
<div class="example-contents">
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac -+rtmidi=virtual -M0 <span class="comment">;;;realtime audio out and realtime midi in </span>
<span class="comment">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o midic7.wav -W ;;; for file output any platform</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 32
<span class="ohdr">nchnls</span> <span class="op">=</span> 2
<span class="ohdr">0dbfs</span> <span class="op">=</span> 1
<span class="oblock">instr</span> 1
<span class="comment">; This example expects MIDI controller input on channel 1</span>
<span class="comment">; run, play a note and move your midi controller 7 to see result</span>
imax <span class="op">=</span> 1
imin <span class="op">=</span> 0
ichan <span class="op">=</span> 1
ictlno<span class="op">=</span> 7 <span class="comment">; = midi volume</span>
kamp <span class="opc">midic7</span> ictlno, imin, imax
<span class="opc">printk2</span> kamp
asig <span class="opc">oscili</span> kamp, 220, 1
<span class="opc">outs</span> asig, asig
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="comment">; no score events allowed</span>
<span class="stamnt">f</span> 0 20 <span class="comment">;20 sec. for real-time MIDI events</span>
<span class="stamnt">f</span> 1 0 4096 10 1 <span class="comment">;sine wave</span>
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
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<p><br class="example-break" />
</p>
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<div class="refsect1" title="See Also">
<a id="idp30853064"></a>
<h2>See Also</h2>
<p>
<a class="link" href="ctrl7.html" title="ctrl7"><em class="citetitle">ctrl7</em></a>,
<a class="link" href="ctrl14.html" title="ctrl14"><em class="citetitle">ctrl14</em></a>,
<a class="link" href="ctrl21.html" title="ctrl21"><em class="citetitle">ctrl21</em></a>,
<a class="link" href="initc7.html" title="initc7"><em class="citetitle">initc7</em></a>,
<a class="link" href="initc14.html" title="initc14"><em class="citetitle">initc14</em></a>,
<a class="link" href="initc21.html" title="initc21"><em class="citetitle">initc21</em></a>,
<a class="link" href="midic14.html" title="midic14"><em class="citetitle">midic14</em></a>,
<a class="link" href="midic21.html" title="midic21"><em class="citetitle">midic21</em></a>
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp30857440"></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>
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<p>
</p>
<p>New in Csound version 3.47</p>
<p>Thanks goes to Rasmus Ekman for pointing out the correct controller number range.</p>
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