<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>cauchyi</title>
<link rel="stylesheet" type="text/css" href="csound.css" />
<link rel="stylesheet" type="text/css" href="syntax-highlighting.css" />
<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" />
<link rel="home" href="index.html" title="The Canonical Csound Reference Manual" />
<link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" />
<link rel="prev" href="cauchy.html" title="cauchy" />
<link rel="next" href="ceil.html" title="ceil" />
</head>
<body>
<div class="navheader">
<table width="100%" summary="Navigation header">
<tr>
<th colspan="3" align="center">cauchyi</th>
</tr>
<tr>
<td width="20%" align="left"><a accesskey="p" href="cauchy.html">Prev</a> </td>
<th width="60%" align="center">Orchestra Opcodes and Operators</th>
<td width="20%" align="right"> <a accesskey="n" href="ceil.html">Next</a></td>
</tr>
</table>
<hr />
</div>
<div class="refentry">
<a id="cauchyi"></a>
<div class="titlepage"></div>
<a id="IndexCauchyiXClass" class="indexterm"></a>
<a id="IndexCauchyi" class="indexterm"></a>
<div class="refnamediv">
<h2>
<span class="refentrytitle">cauchyi</span>
</h2>
<p>cauchyi —
Cauchy distribution random number generator with
interpolation.
</p>
</div>
<div class="refsect1">
<a id="idm281472948069016"></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">
<a id="idm281472948067704"></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">
<a id="idm281472948062712"></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">
<a id="idm281472948055704"></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="idm281472948053848"></a>
<p class="title">
<strong>Example 107. 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>
<div class="refsect1">
<a id="idm281472781843384"></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 exprand.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>
k<span class="n">lambda</span> <span class="nb">cauchyi</span> <span class="mi">100</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">3</span>
<span class="nb">printk2</span> k<span class="n">lambda</span> <span class="c1">; look</span>
a<span class="n">out</span> <span class="nb">oscili</span> <span class="mf">0.8</span><span class="p">,</span> <span class="mi">440</span><span class="o">+</span>k<span class="n">lambda</span><span class="p">,</span> <span class="mi">1</span> <span class="c1">; & listen</span>
<span class="nb">outs</span> a<span class="n">out</span><span class="p">,</span> a<span class="n">out</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="c1">; sine wave</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="nb">i</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">4</span>
<span class="nb">e</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
</div>
</div>
</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1">
<a id="idm281472948049560"></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">
<a id="idm281472948047512"></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>
</div>
</div>
<div class="navfooter">
<hr />
<table width="100%" summary="Navigation footer">
<tr>
<td width="40%" align="left"><a accesskey="p" href="cauchy.html">Prev</a> </td>
<td width="20%" align="center">
<a accesskey="u" href="OpcodesTop.html">Up</a>
</td>
<td width="40%" align="right"> <a accesskey="n" href="ceil.html">Next</a></td>
</tr>
<tr>
<td width="40%" align="left" valign="top">cauchy </td>
<td width="20%" align="center">
<a accesskey="h" href="index.html">Home</a>
</td>
<td width="40%" align="right" valign="top"> ceil</td>
</tr>
</table>
</div>
</body>
</html>
distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-release
>
by-pkgid
>
5fcfcb7517038d1f44ab4e478e6e61fa
>
files
>
425
