86 lines
5.2 KiB
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86 lines
5.2 KiB
HTML
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<!doctype html><html lang='en'><head><title>LinCongC | SuperCollider 3.9.3 Help</title>
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var helpRoot = './..';
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<body onload='fixTOC();prettyPrint()'>
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<div id='toc'>
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<div id='toctitle'>LinCongC:</div>
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<span class='toc_search'>Filter: <input id='toc_search'></span><ul class='toc'><li class='toc1'><a href='#description'>Description</a></li>
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<ul class='toc'></ul><li class='toc1'><a href='#classmethods'>Class methods</a></li>
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<ul class='toc'><li class='toc3'><a href='#*ar'>ar</a> </li>
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<li class='toc2'><a href='#Inherited%20class%20methods'>Inherited class methods</a></li>
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</ul><li class='toc1'><a href='#instancemethods'>Instance methods</a></li>
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<ul class='toc'><li class='toc2'><a href='#Inherited%20instance%20methods'>Inherited instance methods</a></li>
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</ul><li class='toc1'><a href='#examples'>Examples</a></li>
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<ul class='toc'></ul></ul></div><div class='contents'>
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<div class='header'>
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<div id='label'>
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<span id='folder'>Classes</span>
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| <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>
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</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>
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</h1>
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<div id='summary'>Linear congruential chaotic generator</div>
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</div>
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<div class='subheader'>
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<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>
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</div>
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<h2><a class='anchor' name='description'>Description</a></h2>
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<p>A cubic-interpolating sound generator based on the difference equation:<pre> x(n+1) = (a * x(n) + c) % m</pre>
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<p>The output signal is automatically scaled to a range of [-1, 1].
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<p>sclang code translation:<pre class='code prettyprint lang-sc'>(
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var a = 1.1, c = 0.13, m = 1, xi = 0, size = 64;
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plot(size.collect { xi = (a * xi + c) % m });
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)</pre>
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<h2><a class='anchor' name='classmethods'>Class Methods</a></h2>
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<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>
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<div class='supmethod'>From superclass: <a href='./../Classes/LinCongN.html'>LinCongN</a></div>
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<div class='method'><h4>Arguments:</h4>
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<table class='arguments'>
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<tr><td class='argumentname'>freq<td class='argumentdesc'>
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<p>Iteration frequency in Hertz<tr><td class='argumentname'>a<td class='argumentdesc'>
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<p>Multiplier amount<tr><td class='argumentname'>c<td class='argumentdesc'>
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<p>Increment amount<tr><td class='argumentname'>m<td class='argumentdesc'>
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<p>Modulus amount<tr><td class='argumentname'>xi<td class='argumentdesc'>
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<p>Initial value of x</table></div><h3><a class='anchor' name='Inherited%20class%20methods'>Inherited class methods</a></h3>
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<div id='inheritedclassmets'></div><h2><a class='anchor' name='instancemethods'>Instance Methods</a></h2>
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<h3><a class='anchor' name='Inherited%20instance%20methods'>Inherited instance methods</a></h3>
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<div id='inheritedinstmets'></div><h2><a class='anchor' name='examples'>Examples</a></h2>
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<pre class='code prettyprint lang-sc'>// default initial params
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{ LinCongC.ar(MouseX.kr(20, SampleRate.ir)) * 0.2 }.play(s);</pre>
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<pre class='code prettyprint lang-sc'>// randomly modulate params
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(
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{ LinCongC.ar(
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LFNoise2.kr(1, 1e4, 1e4),
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LFNoise2.kr(0.1, 0.5, 1.4),
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LFNoise2.kr(0.1, 0.1, 0.1),
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LFNoise2.kr(0.1)
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) * 0.2 }.play(s);
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)</pre>
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<pre class='code prettyprint lang-sc'>// as frequency control...
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(
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{
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SinOsc.ar(
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LinCongC.ar(
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40,
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LFNoise2.kr(0.1, 0.1, 1),
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LFNoise2.kr(0.1, 0.1, 0.1),
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LFNoise2.kr(0.1),
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0, 500, 600
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)
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) * 0.4 }.play(s);
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)</pre>
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<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>
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