58 lines
4.6 KiB
HTML
58 lines
4.6 KiB
HTML
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<html><head><title>BufRateScale</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='./../docmap.js' type='text/javascript'></script>
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<script src='./../prettify.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>Buffer>Info'>UGens>Buffer>Info</a></div>
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<h1>BufRateScale</h1>
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<div id='summary'>Buffer rate scaling in respect to server samplerate.</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/InfoUGens.sc'>/Applications/SuperCollider.app/Contents/Resources/SCClassLibrary/Common/Audio/InfoUGens.sc</a></div><div id='superclasses'>Inherits from: <a href="../Classes/BufInfoUGenBase.html">BufInfoUGenBase</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='related'>See also: <a href="./../Classes/BufChannels.html">BufChannels</a>, <a href="./../Classes/BufDur.html">BufDur</a>, <a href="./../Classes/BufFrames.html">BufFrames</a>, <a href="./../Classes/BufSampleRate.html">BufSampleRate</a>, <a href="./../Classes/BufSamples.html">BufSamples</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='#*kr'>kr</a> <a href='#*ir'>ir</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>Returns a ratio by which the playback of a soundfile is to be scaled.<h2><a class='anchor' name='classmethods'>Class Methods</a></h2>
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<h3 class='cmethodname'><span class='methprefix'>*</span><a name='*kr' href='./../Overviews/Methods.html#kr'>kr</a> (<span class='argstr'>bufnum</span>)</h3>
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<div class='supmethod'>From superclass: <a href='./../Classes/BufInfoUGenBase.html'>BufInfoUGenBase</a></div>
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<h3 class='cmethodname'><span class='methprefix'>*</span><a name='*ir' href='./../Overviews/Methods.html#ir'>ir</a> (<span class='argstr'>bufnum</span>)</h3>
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<div class='supmethod'>From superclass: <a href='./../Classes/BufInfoUGenBase.html'>BufInfoUGenBase</a></div>
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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'>bufnum<td class='argumentdesc'>
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<p>Buffer index.</table><h4>Returns:</h4>
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<div class='returnvalue'>
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<p>a ratio by which the playback of a soundfile is to be scaled.</div><h4>Discussion:</h4>
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<div class='warning'><span class='warninglabel'>WARNING:</span> The <code class='code prettyprint lang-sc'>.ir</code> method is not the safest choice. Since a buffer can be reallocated at any time, using <code class='code prettyprint lang-sc'>.ir</code> will not track the changes.</div></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'>b = Buffer.read(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav");
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(
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x = { arg rate=1;
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BufRd.ar(1, b, Phasor.ar(0, BufRateScale.kr(b) * rate, 0, BufFrames.kr(b)))
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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/BufRateScale.schelp'>/Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/BufRateScale.schelp</a><br>link::Classes/BufRateScale::<br>sc version: 3.8.0</div></div></body></html>
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