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<div class="refentry" title="scantable">
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<h2>
<span class="refentrytitle">scantable</span>
</h2>
<p>scantable —
A simpler scanned synthesis implementation.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp41408072"></a>
<h2>Description</h2>
<p>
A simpler scanned synthesis implementation. This is an implementation of a circular string scanned using external tables. This opcode will allow direct modification and reading of values with the table opcodes.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp41395480"></a>
<h2>Syntax</h2>
<pre class="synopsis">aout <span class="command"><strong>scantable</strong></span> kamp, kpch, ipos, imass, istiff, idamp, ivel</pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp41396624"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ipos</em></span> -- table containing position array.
</p>
<p>
<span class="emphasis"><em>imass</em></span> -- table containing the mass of the string.
</p>
<p>
<span class="emphasis"><em>istiff</em></span> -- table containing the stiffness of the string.
</p>
<p>
<span class="emphasis"><em>idamp</em></span> -- table containing the damping factors of the string.
</p>
<p>
<span class="emphasis"><em>ivel</em></span> -- table containing the velocities.
</p>
</div>
<div class="refsect1" title="Performance">
<a id="idp41461256"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>kamp</em></span> -- amplitude (gain) of the string.
</p>
<p>
<span class="emphasis"><em>kpch</em></span> -- the string's scanned frequency.
</p>
</div>
<div class="refsect1" title="Examples">
<a id="idp41462664"></a>
<h2>Examples</h2>
<p>
Here is an example of the scantable opcode. It uses the file <a class="ulink" href="examples/scantable.csd" target="_top"><em class="citetitle">scantable.csd</em></a>.
</p>
<div class="example">
<a id="idp41463664"></a>
<p class="title">
<strong>Example 741. Example of the scantable 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>
<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 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 scantable.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
gi1 <span class="ohdr">ftgen</span> 1, 0, 128, 7, 0, 64, 1, 64, 0 <span class="comment">; initial position</span>
gi2 <span class="ohdr">ftgen</span> 2, 0, 128, <span class="op">-</span>7, 1, 128, 1 <span class="comment">; masses</span>
gi3 <span class="ohdr">ftgen</span> 3, 0, 128, <span class="op">-</span>7, 0, 64, 100, 64, 0 <span class="comment">; stiffness</span>
gi4 <span class="ohdr">ftgen</span> 4, 0, 128, <span class="op">-</span>7, 1, 128, 1 <span class="comment">; damping</span>
gi5 <span class="ohdr">ftgen</span> 5, 0, 128, <span class="op">-</span>7, 0, 128, 0.5 <span class="comment">; initial velocity</span>
<span class="oblock">instr</span> 1
iamp <span class="opc">ampmidi</span> .5
ipch <span class="opc">cpsmidi</span>
kenv <span class="opc">madsr</span> .1, .1, .8, .3
asig <span class="opc">scantable</span> iamp, ipch, 1, 2, 3, 4, 5
asig <span class="opc">dcblock</span> asig
<span class="opc">outs</span> asig<span class="op">*</span>kenv, asig<span class="op">*</span>kenv
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">f</span>0 60 <span class="comment">; play for 60 seconds</span>
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1" title="See Also">
<a id="idp41465944"></a>
<h2>See Also</h2>
<p>
<a class="link" href="scanhammer.html" title="scanhammer"><em class="citetitle">scanhammer</em></a>
</p>
<p> More information on this opcode: <a class="ulink" href="http://www.csounds.com/stevenyi/scanned/yi_scannedSynthesis.html" target="_top"><em class="citetitle">http://www.csounds.com/stevenyi/scanned/yi_scannedSynthesis.html</em></a> , written by Steven Yi </p>
</div>
<div class="refsect1" title="Credits">
<a id="idp41467776"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: Matt Gilliard</td>
</tr>
<tr>
<td>April 2002</td>
</tr>
</table>
<p>
</p>
<p>New in version 4.20</p>
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