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<h2>
<span class="refentrytitle">GEN24</span>
</h2>
<p>GEN24 —
Reads numeric values from another allocated function-table and rescales them.
</p>
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<div class="refsect1">
<a id="idm281472818917912"></a>
<h2>Description</h2>
<p>
This subroutine reads numeric values from another allocated function-table and rescales them according to the max and min values given by the user.
</p>
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<div class="refsect1">
<a id="idm281472818914184"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>f</strong></span> # time size -24 ftable min max</pre>
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<div class="refsect1">
<a id="idm281472818912152"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>#, time, size</em></span> -- the usual GEN parameters. See <a class="link" href="f.html" title="f Statement (or Function Table Statement)">f statement</a>.
</p>
<p>
<span class="emphasis"><em>ftable</em></span> -- ftable must be an already allocated table with the same size as this function.
</p>
<p>
<span class="emphasis"><em>min, max</em></span> -- the rescaling range.
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<table border="0" summary="Note: Note">
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<th align="left">Note</th>
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<p>
This GEN is useful, for example, to eliminate the starting offset in exponential segments allowing a
real starting from zero.
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<div class="refsect1">
<a id="idm281472818837144"></a>
<h2>Examples</h2>
<p>
Here is an example of the GEN24 opcode. It uses the file <a class="ulink" href="examples/gen24.csd" target="_top"><em class="citetitle">gen24.csd</em></a>.
</p>
<div class="example">
<a id="idm281472818835368"></a>
<p class="title">
<strong>Example 1204. Example of the GEN24 generator.</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="idm281472682019368"></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 <span class="c1">;;;realtime audio 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 gen24.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">32</span>
<span class="vg">nchnls</span> <span class="o">=</span> <span class="mi">2</span>
<span class="vg">0dbfs</span> <span class="o">=</span> <span class="mi">1</span>
<span class="kd">instr</span> <span class="nf">1</span>
i<span class="n">fn</span> <span class="o">=</span> <span class="nb">p4</span> <span class="c1">;choose between tables</span>
k<span class="n">cps</span> <span class="nb">init</span> <span class="mi">1</span><span class="o">/</span><span class="nb">p3</span> <span class="c1">;create index over duration of note.</span>
k<span class="n">ndx</span> <span class="nb">phasor</span> k<span class="n">cps</span>
i<span class="n">xmode</span> <span class="o">=</span> <span class="mi">1</span> <span class="c1">;normalize to 0-1</span>
k<span class="n">val</span> <span class="nb">table</span> k<span class="n">ndx</span><span class="p">,</span> i<span class="n">fn</span><span class="p">,</span> i<span class="n">xmode</span>
a<span class="n">sig</span> <span class="nb">poscil</span> <span class="mf">.7</span><span class="p">,</span> <span class="mi">440</span> <span class="o">+</span> k<span class="n">val</span><span class="p">,</span> <span class="mi">1</span> <span class="c1">;add to frequency</span>
<span class="nb">outs</span> a<span class="n">sig</span><span class="p">,</span> a<span class="n">sig</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="nb">f</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">16384</span> <span class="mi">10</span> <span class="mi">1</span> <span class="c1">;sine wave</span>
<span class="nb">f</span> <span class="mi">10</span> <span class="mi">0</span> <span class="mi">16384</span> <span class="o">-</span><span class="mi">24</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">400</span><span class="c1">;scale sine wave from table 1 from 0 to 400</span>
<span class="nb">f</span> <span class="mi">11</span> <span class="mi">0</span> <span class="mi">16384</span> <span class="o">-</span><span class="mi">24</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">50</span> <span class="c1">;and from 0 to 50</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">3</span> <span class="mi">10</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">4</span> <span class="mi">3</span> <span class="mi">11</span>
<span class="nb">e</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
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</div>
<p><br class="example-break" />
</p>
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<div class="refsect1">
<a id="idm281472818831080"></a>
<h2>Credits</h2>
<p>Author: Gabriel Maldonado</p>
<p>New in Csound version 4.16</p>
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