69 lines
5.3 KiB
HTML
69 lines
5.3 KiB
HTML
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<!doctype html><html lang='en'><head><title>Impulse | SuperCollider 3.9.3 Help</title>
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<meta http-equiv='Content-Type' content='text/html; charset=UTF-8' />
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<script>
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var helpRoot = './..';
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var scdoc_title = 'Impulse';
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var scdoc_sc_version = '3.9.3';
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</head>
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<body onload='fixTOC();prettyPrint()'>
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<div id='toc'>
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<div id='toctitle'>Impulse:</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> <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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<li class='toc2'><a href='#Undocumented%20instance%20methods'>Undocumented instance methods</a></li>
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<ul class='toc'><li class='toc3'><a href='#-signalRange'>signalRange</a> </li>
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</ul></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>Deterministic'>Deterministic</a></span>
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</div><h1>Impulse<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'>Impulse 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/Blip.html">Blip</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>Outputs non-bandlimited single sample impulses.<h2><a class='anchor' name='classmethods'>Class Methods</a></h2>
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<h3 class='method-code'><span class='method-prefix'>Impulse.</span><a class='method-name' name='*ar' href='./../Overviews/Methods.html#ar'>ar</a>(<span class='argstr'>freq: 440</span>, <span class='argstr'>phase: 0</span>, <span class='argstr'>mul: 1</span>, <span class='argstr'>add: 0</span>)</h3>
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<h3 class='method-code'><span class='method-prefix'>Impulse.</span><a class='method-name' name='*kr' href='./../Overviews/Methods.html#kr'>kr</a>(<span class='argstr'>freq: 440</span>, <span class='argstr'>phase: 0</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'>freq<td class='argumentdesc'>
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<p>Frequency in Hertz.<tr><td class='argumentname'>phase<td class='argumentdesc'>
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<p>Phase offset in cycles (0..1).<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><h4>Discussion:</h4>
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<p>An Impulse with frequency 0 returns a single impulse.</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><h3><a class='anchor' name='Undocumented%20instance%20methods'>Undocumented instance methods</a></h3>
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<h3 class='method-code'><span class='method-prefix'>.</span><a class='method-name' name='-signalRange' href='./../Overviews/Methods.html#signalRange'>signalRange</a></h3>
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<h2><a class='anchor' name='examples'>Examples</a></h2>
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<pre class='code prettyprint lang-sc'>{ Impulse.ar(800, 0.0, 0.5, 0) }.play
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{ Impulse.ar(XLine.kr(800,100,5), 0.0, 0.5, 0) }.play</pre>
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<p>modulate phase:<pre class='code prettyprint lang-sc'>{ Impulse.ar(4, [0, MouseX.kr(0, 1)], 0.2) }.play;</pre>
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<p>an Impulse with frequency 0 returns a single impulse:<pre class='code prettyprint lang-sc'>SynthDef(\imp, { OffsetOut.ar(0, Impulse.ar(0)); FreeSelf.kr(Impulse.kr(0)); }).add;
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fork { (1 / (1..60).scramble).do { |dt| Synth.grain(\imp); dt.wait } };</pre>
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<div class='doclink'>helpfile source: <a href='file:///Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/Impulse.schelp'>/Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/Impulse.schelp</a><br>link::Classes/Impulse::<br></div></div></body></html>
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