66 lines
4.8 KiB
HTML
66 lines
4.8 KiB
HTML
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<html><head><title>RLPF</title>
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<link rel='stylesheet' href='./../scdoc.css' type='text/css' />
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<link rel='stylesheet' href='./../frontend.css' type='text/css' />
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<link rel='stylesheet' href='./../custom.css' type='text/css' />
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<meta http-equiv='Content-Type' content='text/html; charset=UTF-8' />
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<script src='./../scdoc.js' type='text/javascript'></script>
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<script src='./../lang-sc.js' type='text/javascript'></script>
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<script type='text/javascript'>var helpRoot='./..';</script>
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</head>
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<ul id='menubar'></ul>
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<body onload='fixTOC();prettyPrint()'>
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<div class='contents'>
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<div class='header'>
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<div id='label'>SuperCollider CLASSES</div>
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<div id='categories'><a href='./../Browse.html#UGens>Filters>Linear'>UGens>Filters>Linear</a></div>
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<h1>RLPF</h1>
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<div id='summary'>A resonant low pass filter.</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/Filter.sc'>/Applications/SuperCollider.app/Contents/Resources/SCClassLibrary/Common/Audio/Filter.sc</a></div><div id='superclasses'>Inherits from: <a href="../Classes/Filter.html">Filter</a> : <a href="../Classes/PureUGen.html">PureUGen</a> : <a href="../Classes/UGen.html">UGen</a> : <a href="../Classes/AbstractFunction.html">AbstractFunction</a> : <a href="../Classes/Object.html">Object</a></div>
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<div id='subclasses'>Subclasses: <a href="../Classes/RHPF.html">RHPF</a></div>
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<div id='related'>See also: <a href="./../Classes/Formlet.html">Formlet</a>, <a href="./../Classes/RHPF.html">RHPF</a>, <a href="./../Classes/Resonz.html">Resonz</a>, <a href="./../Classes/Ringz.html">Ringz</a></div>
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</div>
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<div id='toc'>
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<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> <a href='#*kr'>kr</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><h2><a class='anchor' name='description'>Description</a></h2>
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<p>A resonant low pass filter.<h2><a class='anchor' name='classmethods'>Class Methods</a></h2>
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<h3 class='cmethodname'><span class='methprefix'>*</span><a name='*ar' href='./../Overviews/Methods.html#ar'>ar</a> (<span class='argstr'>in: 0</span>, <span class='argstr'>freq: 440</span>, <span class='argstr'>rq: 1</span>, <span class='argstr'>mul: 1</span>, <span class='argstr'>add: 0</span>)</h3>
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<h3 class='cmethodname'><span class='methprefix'>*</span><a name='*kr' href='./../Overviews/Methods.html#kr'>kr</a> (<span class='argstr'>in: 0</span>, <span class='argstr'>freq: 440</span>, <span class='argstr'>rq: 1</span>, <span class='argstr'>mul: 1</span>, <span class='argstr'>add: 0</span>)</h3>
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<div class='method'>
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<p><h4>Arguments:</h4>
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<table class='arguments'>
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<tr><td class='argumentname'>in<td class='argumentdesc'>
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<p>The input signal.<tr><td class='argumentname'>freq<td class='argumentdesc'>
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<p>Cutoff frequency in Hertz. WARNING: due to the nature of its implementation frequency values close to 0 may cause glitches and/or extremely loud audio artifacts!<tr><td class='argumentname'>rq<td class='argumentdesc'>
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<p>The reciprocal of Q (bandwidth / cutoffFreq).<tr><td class='argumentname'>mul<td class='argumentdesc'>
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<p>Output will be multiplied by this value.<tr><td class='argumentname'>add<td class='argumentdesc'>
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<p>This value will be added to the output.</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'>{ RLPF.ar(Saw.ar(200, 0.1), SinOsc.ar(XLine.kr(0.7, 300, 20), 0, 3600, 4000), 0.2) }.play;
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(
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{ var ctl = RLPF.ar(Saw.ar(5, 0.1), 25, 0.03);
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SinOsc.ar(ctl * 200 + 400) * 0.1;
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}.play;
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)
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(
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{ var ctl = RLPF.ar(Saw.ar(5,0.1), MouseX.kr(2, 200, 1), MouseY.kr(0.01, 1, 1));
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SinOsc.ar(ctl * 200 + 400) * 0.1;
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}.play;
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)</pre>
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<div class='doclink'>helpfile source: <a href='file:///Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/RLPF.schelp'>/Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/RLPF.schelp</a><br>link::Classes/RLPF::<br>sc version: 3.8.0</div></div></body></html>
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