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77 lines
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6.6 KiB
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<!doctype html><html lang='en'><head><title>SinOsc | SuperCollider 3.12.2 Help</title>
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<body onload='fixTOC()'>
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<div id='toc'>
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<div id='toctitle'>SinOsc:</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'><li class='toc2'><a href='#Other%20sinewaves%20oscillators'>Other sinewaves oscillators</a></li>
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<ul class='toc'></ul></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><div id='menubar'></div>
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<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>Deterministic'>Deterministic</a></span>
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</div><h1>SinOsc<span id='superclasses'> : <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></span>
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</h1>
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<div id='summary'>Interpolating sine wavetable oscillator.</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/Osc.sc' title='/Applications/SuperCollider.app/Contents/Resources/SCClassLibrary/Common/Audio/Osc.sc'>Osc.sc</a></div><div id='related'>See also: <a href="./../Classes/Osc.html">Osc</a>, <a href="./../Classes/FSinOsc.html">FSinOsc</a>, <a href="./../Classes/SinOscFB.html">SinOscFB</a>, <a href="./../Classes/PMOsc.html">PMOsc</a>, <a href="./../Classes/Klang.html">Klang</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>Generates a sine wave. Uses a wavetable lookup oscillator with linear interpolation. Frequency and phase modulation are provided for audio-rate modulation. Technically, <code>SinOsc</code> uses the same implementation as <a href="./../Classes/Osc.html">Osc</a> except that its table is fixed to be a sine wave made of <code>8192</code> samples.<h3><a class='anchor' name='Other%20sinewaves%20oscillators'>Other sinewaves oscillators</a></h3>
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<ul>
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<li><a href="./../Classes/FSinOsc.html">FSinOsc</a> – fast sinewave oscillator<li><a href="./../Classes/SinOscFB.html">SinOscFB</a> – sinewave with phase feedback<li><a href="./../Classes/PMOsc.html">PMOsc</a> – phase modulation sine oscillator<li><a href="./../Classes/Klang.html">Klang</a> – bank of sinewave oscillators<li><a href="./../Classes/DynKlang.html">DynKlang</a> – modulable bank of sinewave oscillators</ul>
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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'>SinOsc.</span><a class='method-name' name='*ar' href='./../Overviews/Methods.html#ar'>ar</a>(<span class='argstr'>freq: 440.0</span>, <span class='argstr'>phase: 0.0</span>, <span class='argstr'>mul: 1.0</span>, <span class='argstr'>add: 0.0</span>)</h3>
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<h3 class='method-code'><span class='method-prefix'>SinOsc.</span><a class='method-name' name='*kr' href='./../Overviews/Methods.html#kr'>kr</a>(<span class='argstr'>freq: 440.0</span>, <span class='argstr'>phase: 0.0</span>, <span class='argstr'>mul: 1.0</span>, <span class='argstr'>add: 0.0</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'>freq<td class='argumentdesc'>
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<p>Frequency in Hertz. Sampled at audio-rate.<tr><td class='argumentname'>phase<td class='argumentdesc'>
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<p>Phase in radians. Sampled at audio-rate.<div class='note'><span class='notelabel'>NOTE:</span> phase values should be within the range +-8pi. If your phase values are larger then simply use <code>.mod(2pi)</code> to wrap them.</div><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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<textarea class='editor'>// create an audio-rate sine wave at 200 Hz,
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// starting with phase 0 and an amplitude of 0.5
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{ SinOsc.ar(200, 0, 0.5) }.play;
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// modulate the frequency with an exponential ramp
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{ SinOsc.ar(XLine.kr(2000, 200), 0, 0.5) }.play;
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// more complex frequency modulation
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{ SinOsc.ar(SinOsc.ar(XLine.kr(1, 1000, 9), 0, 200, 800), 0, 0.25) }.play;
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// phase modulation (see also PMOsc)
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{ SinOsc.ar(800, SinOsc.ar(XLine.kr(1, 1000, 9), 0, 2pi), 0.25) }.play;</textarea>
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<div class='doclink'>helpfile source: <a href='file:///Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/SinOsc.schelp'>/Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/SinOsc.schelp</a><br>link::Classes/SinOsc::<br></div></div><script src='./../editor.js' type='text/javascript'></script>
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