<!doctype html><html lang='en'><head><title>LinCongC | SuperCollider 3.9.3 Help</title> <link rel='stylesheet' href='./../scdoc.css' type='text/css' /> <link rel='stylesheet' href='./../frontend.css' type='text/css' /> <link rel='stylesheet' href='./../custom.css' type='text/css' /> <meta http-equiv='Content-Type' content='text/html; charset=UTF-8' /> <script> var helpRoot = './..'; var scdoc_title = 'LinCongC'; var scdoc_sc_version = '3.9.3'; </script> <script src='./../scdoc.js' type='text/javascript'></script> <script src='./../docmap.js' type='text/javascript'></script> <script src='./../prettify.js' type='text/javascript'></script> <script src='./../lang-sc.js' type='text/javascript'></script> </head> <body onload='fixTOC();prettyPrint()'> <div id='toc'> <div id='toctitle'>LinCongC:</div> <span class='toc_search'>Filter: <input id='toc_search'></span><ul class='toc'><li class='toc1'><a href='#description'>Description</a></li> <ul class='toc'></ul><li class='toc1'><a href='#classmethods'>Class methods</a></li> <ul class='toc'><li class='toc3'><a href='#*ar'>ar</a> </li> <li class='toc2'><a href='#Inherited%20class%20methods'>Inherited class methods</a></li> </ul><li class='toc1'><a href='#instancemethods'>Instance methods</a></li> <ul class='toc'><li class='toc2'><a href='#Inherited%20instance%20methods'>Inherited instance methods</a></li> </ul><li class='toc1'><a href='#examples'>Examples</a></li> <ul class='toc'></ul></ul></div><div class='contents'> <div id='menubar'></div> <div class='header'> <div id='label'> <span id='folder'>Classes</span> | <span id='categories'><a href='./../Browse.html#UGens'>UGens</a> > <a href='./../Browse.html#UGens>Generators'>Generators</a> > <a href='./../Browse.html#UGens>Generators>Chaotic'>Chaotic</a></span> </div><h1>LinCongC<span id='superclasses'> : <a href="../Classes/LinCongN.html">LinCongN</a> : <a href="../Classes/ChaosGen.html">ChaosGen</a> : <a href="../Classes/UGen.html">UGen</a> : <a href="../Classes/AbstractFunction.html">AbstractFunction</a> : <a href="../Classes/Object.html">Object</a></span> </h1> <div id='summary'>Linear congruential chaotic generator</div> </div> <div class='subheader'> <div id='filename'>Source: <a href='file:///Applications/SuperCollider.app/Contents/Resources/SCClassLibrary/Common/Audio/Chaos.sc' title='/Applications/SuperCollider.app/Contents/Resources/SCClassLibrary/Common/Audio/Chaos.sc'>Chaos.sc</a></div><div id='related'>See also: <a href="./../Classes/LinCongN.html">LinCongN</a>, <a href="./../Classes/LinCongL.html">LinCongL</a></div> </div> <h2><a class='anchor' name='description'>Description</a></h2> <p>A cubic-interpolating sound generator based on the difference equation:<pre> x(n+1) = (a * x(n) + c) % m</pre> <p>The output signal is automatically scaled to a range of [-1, 1]. <p>sclang code translation:<pre class='code prettyprint lang-sc'>( var a = 1.1, c = 0.13, m = 1, xi = 0, size = 64; plot(size.collect { xi = (a * xi + c) % m }); )</pre> <h2><a class='anchor' name='classmethods'>Class Methods</a></h2> <h3 class='method-code'><span class='method-prefix'>LinCongC.</span><a class='method-name' name='*ar' href='./../Overviews/Methods.html#ar'>ar</a>(<span class='argstr'>freq: 22050</span>, <span class='argstr'>a: 1.1</span>, <span class='argstr'>c: 0.13</span>, <span class='argstr'>m: 1</span>, <span class='argstr'>xi: 0</span>, <span class='argstr'>mul: 1</span>, <span class='argstr'>add: 0</span>)</h3> <div class='supmethod'>From superclass: <a href='./../Classes/LinCongN.html'>LinCongN</a></div> <div class='method'><h4>Arguments:</h4> <table class='arguments'> <tr><td class='argumentname'>freq<td class='argumentdesc'> <p>Iteration frequency in Hertz<tr><td class='argumentname'>a<td class='argumentdesc'> <p>Multiplier amount<tr><td class='argumentname'>c<td class='argumentdesc'> <p>Increment amount<tr><td class='argumentname'>m<td class='argumentdesc'> <p>Modulus amount<tr><td class='argumentname'>xi<td class='argumentdesc'> <p>Initial value of x</table></div><h3><a class='anchor' name='Inherited%20class%20methods'>Inherited class methods</a></h3> <div id='inheritedclassmets'></div><h2><a class='anchor' name='instancemethods'>Instance Methods</a></h2> <h3><a class='anchor' name='Inherited%20instance%20methods'>Inherited instance methods</a></h3> <div id='inheritedinstmets'></div><h2><a class='anchor' name='examples'>Examples</a></h2> <pre class='code prettyprint lang-sc'>// default initial params { LinCongC.ar(MouseX.kr(20, SampleRate.ir)) * 0.2 }.play(s);</pre> <pre class='code prettyprint lang-sc'>// randomly modulate params ( { LinCongC.ar( LFNoise2.kr(1, 1e4, 1e4), LFNoise2.kr(0.1, 0.5, 1.4), LFNoise2.kr(0.1, 0.1, 0.1), LFNoise2.kr(0.1) ) * 0.2 }.play(s); )</pre> <pre class='code prettyprint lang-sc'>// as frequency control... ( { SinOsc.ar( LinCongC.ar( 40, LFNoise2.kr(0.1, 0.1, 1), LFNoise2.kr(0.1, 0.1, 0.1), LFNoise2.kr(0.1), 0, 500, 600 ) ) * 0.4 }.play(s); )</pre> <p><div class='doclink'>helpfile source: <a href='file:///Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/LinCongC.schelp'>/Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/LinCongC.schelp</a><br>link::Classes/LinCongC::<br></div></div></body></html>