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<h2>
<span class="refentrytitle">GEN24</span>
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<p>GEN24 —
Reads numeric values from another allocated function-table and rescales them.
</p>
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<div class="refsect1" title="Description">
<a id="idp78031776"></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" title="Syntax">
<a id="idp78032536"></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" title="Initialization">
<a id="idp78042840"></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" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;">
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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" title="Examples">
<a id="idp78045776"></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="idp78046752"></a>
<p class="title">
<strong>Example 1059. Example of the GEN24 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 <span class="comment">;;;realtime audio out</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 gen24.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
ifn <span class="op">=</span> p4 <span class="comment">;choose between tables</span>
kcps <span class="opc">init</span> 1<span class="op">/</span>p3 <span class="comment">;create index over duration of note.</span>
kndx <span class="opc">phasor</span> kcps
ixmode <span class="op">=</span> 1 <span class="comment">;normalize to 0-1</span>
kval <span class="opc">table</span> kndx, ifn, ixmode
asig <span class="opc">poscil</span> .7, 440 <span class="op">+</span> kval, 1 <span class="comment">;add to frequency</span>
<span class="opc">outs</span> asig, asig
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">f</span> 1 0 16384 10 1 <span class="comment">;sine wave</span>
<span class="stamnt">f</span> 10 0 16384 -24 1 0 400<span class="comment">;scale sine wave from table 1 from 0 to 400</span>
<span class="stamnt">f</span> 11 0 16384 -24 1 0 50 <span class="comment">;and from 0 to 50</span>
<span class="stamnt">i</span> 1 0 3 10
<span class="stamnt">i</span> 1 4 3 11
<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="Credits">
<a id="idp78086280"></a>
<h2>Credits</h2>
<p>Author: Gabriel Maldonado</p>
<p>New in Csound version 4.16</p>
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