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<h2>
<span class="refentrytitle">cauchyi</span>
</h2>
<p>cauchyi —
Cauchy distribution random number generator with
interpolation.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp15224304"></a>
<h2>Description</h2>
<p>
Cauchy distribution random number generator with controlled
interpolation between values. This is an x-class noise
generator.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp15275424"></a>
<h2>Syntax</h2>
<pre class="synopsis">ares <span class="command"><strong>cauchyi</strong></span> klambda, xamp, xcps</pre>
<pre class="synopsis">ires <span class="command"><strong>cauchyi</strong></span> klambda, xamp, xcps</pre>
<pre class="synopsis">kres <span class="command"><strong>cauchyi</strong></span> klambda, xamp, xcps</pre>
</div>
<div class="refsect1" title="Performance">
<a id="idp15277968"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>kalpha</em></span> -- controls the spread from zero (big <span class="emphasis"><em>kalpha</em></span> = big spread). Outputs both positive and negative numbers.
</p>
<p>
For more detailed explanation of these distributions, see:
</p>
<div class="orderedlist">
<ol class="orderedlist" type="1">
<li class="listitem">
<p>C. Dodge - T.A. Jerse 1985. Computer music. Schirmer books. pp.265 - 286</p>
</li>
<li class="listitem">
<p>D. Lorrain. A panoply of stochastic cannons. In C. Roads, ed. 1989. Music machine . Cambridge, Massachusetts: MIT press, pp. 351 - 379.</p>
</li>
</ol>
</div>
<p>
</p>
<p>
<span class="emphasis"><em>xamp</em></span> -- range over which random numbers are distributed.
</p>
<p>
<span class="emphasis"><em>xcps</em></span> -- the frequency which new random
numbers are generated.
</p>
</div>
<div class="refsect1" title="Examples">
<a id="idp15281768"></a>
<h2>Examples</h2>
<p>
Here is an example of the cauchyi opcode. It uses the file <a class="ulink" href="examples/cauchyi.csd" target="_top"><em class="citetitle">cauchyi.csd</em></a>.
</p>
<div class="example">
<a id="idp15282744"></a>
<p class="title">
<strong>Example 92. Example of the cauchyi 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 exprand.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
klambda <span class="opc">cauchyi</span> 100, 1, 3
<span class="opc">printk2</span> klambda <span class="comment">; look</span>
aout <span class="opc">oscili</span> 0.8, 440<span class="op">+</span>klambda, 1 <span class="comment">; & listen</span>
<span class="opc">outs</span> aout, aout
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="comment">; sine wave</span>
<span class="stamnt">f</span> 1 0 16384 10 1
<span class="stamnt">i</span> 1 0 4
<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="idp15285024"></a>
<h2>See Also</h2>
<p>
<a class="link" href="cauchy.html" title="cauchy"><em class="citetitle">cauchy</em></a>
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp15286040"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: John ffitch</td>
</tr>
<tr>
<td>Bath</td>
</tr>
<tr>
<td>May 2011</td>
</tr>
<tr>
<td>New in version 5.14</td>
</tr>
</table>
<p>
</p>
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