70 lines
5.2 KiB
HTML
70 lines
5.2 KiB
HTML
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<!doctype html><html lang='en'><head><title>Formant | 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'>Formant:</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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<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>Formant<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'>Formant 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>
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<h2><a class='anchor' name='description'>Description</a></h2>
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<p>Generates a set of harmonics around a formant frequency at a given fundamental frequency.<h2><a class='anchor' name='classmethods'>Class Methods</a></h2>
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<h3 class='method-code'><span class='method-prefix'>Formant.</span><a class='method-name' name='*ar' href='./../Overviews/Methods.html#ar'>ar</a>(<span class='argstr'>fundfreq: 440.0</span>, <span class='argstr'>formfreq: 1760.0</span>, <span class='argstr'>bwfreq: 880.0</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'>fundfreq<td class='argumentdesc'>
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<p>Fundamental frequency in Hertz. (control rate)<tr><td class='argumentname'>formfreq<td class='argumentdesc'>
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<p>Formant frequency in Hertz. (control rate)<tr><td class='argumentname'>bwfreq<td class='argumentdesc'>
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<p>Pulse width frequency in Hertz. Controls the bandwidth of the formant. (control rate)
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<p>Must be greater than or equal to <code>fundfreq</code>.<tr><td class='argumentname'>mul<td class='argumentdesc'><tr><td class='argumentname'>add<td class='argumentdesc'></table><h4>Discussion:</h4>
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<p>The frequency inputs are read at control rate only, so if you use an audio rate UGen as an input, it will only be sampled at the start of each audio synthesis block.</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'>// modulate fundamental frequency, formant freq stays constant
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{ Formant.ar(XLine.kr(400,1000, 8), 2000, 800, 0.125) }.play
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// modulate formant frequency, fundamental freq stays constant
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{ Formant.ar(200, XLine.kr(400, 4000, 8), 200, 0.125) }.play
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// modulate width frequency, other freqs stay constant
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{ Formant.ar(400, 2000, XLine.kr(800, 8000, 8), 0.125) }.play</textarea>
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<p><div class='doclink'>helpfile source: <a href='file:///Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/Formant.schelp'>/Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/Formant.schelp</a><br>link::Classes/Formant::<br></div></div><script src='./../editor.js' type='text/javascript'></script>
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</body></html>
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