Help/UGens/Info/SampleRate.html

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
   2 <html>
   3 <head>
   4 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   5 <meta http-equiv="Content-Style-Type" content="text/css">
   6 <title></title>
   7 <meta name="Generator" content="Cocoa HTML Writer">
   8 <meta name="CocoaVersion" content="949.43">
   9 <style type="text/css">
  10 p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica}
  11 p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco; min-height: 12.0px}
  12 p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px}
  13 p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco; color: #bf0000}
  14 p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco; color: #000000; min-height: 12.0px}
  15 p.p6 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco; color: #000000}
  16 span.s1 {font: 18.0px Helvetica}
  17 span.s2 {font: 9.0px Monaco}
  18 span.s3 {color: #0000bf}
  19 span.Apple-tab-span {white-space:pre}
  20 </style>
  21 </head>
  22 <body>
  23 <p class="p1"><span class="s1"><b>SampleRate</b></span><span class="s2"><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></span><b>server sample rate</b></p>
  24 <p class="p2"><br></p>
  25 <p class="p1">superclass: InfoUGenBase</p>
  26 <p class="p3"><br></p>
  27 <p class="p1">returns the current sample rate of the server</p>
  28 <p class="p3"><br></p>
  29 <p class="p1"><b><span class="Apple-tab-span">  </span>*ir</b></p>
  30 <p class="p3"><b><span class="Apple-tab-span">  </span><span class="Apple-tab-span">    </span></b><span class="s2"><span class="Apple-tab-span">       </span></span></p>
  31 <p class="p4">// example</p>
  32 <p class="p5"><br></p>
  33 <p class="p6">{ <span class="s3">SampleRate</span>.ir.poll }.play;</p>
  34 <p class="p5"><br></p>
  35 <p class="p4">// compares a 441 Hz sine tone derived from sample rate (44100 * 0.01, left)<span class="Apple-converted-space"> </span></p>
  36 <p class="p4">// with a 440 Hz tone (right), resultin in a 1 Hz beating</p>
  37 <p class="p6">(</p>
  38 <p class="p6">{<span class="Apple-converted-space"> </span></p>
  39 <p class="p6"><span class="Apple-tab-span">     </span><span class="s3">var</span> freq;</p>
  40 <p class="p6"><span class="Apple-tab-span">     </span>freq = [ <span class="s3">SampleRate</span>.ir(0) * 0.01, 440];</p>
  41 <p class="p6"><span class="Apple-tab-span">     </span><span class="s3">SinOsc</span>.ar(freq, 0, 0.1)<span class="Apple-converted-space"> </span></p>
  42 <p class="p6">}.play;<span class="Apple-converted-space"> </span></p>
  43 <p class="p6">)</p>
  44 <p class="p5"><br></p>
  45 <p class="p4">// play a pulse chord at power of two divisions of sample rate</p>
  46 <p class="p5"><br></p>
  47 <p class="p6">{ <span class="s3">LFPulse</span>.ar(<span class="s3">SampleRate</span>.ir * (2 ** (1..14).neg).postln).mean * 0.1 }.play;</p>
  48 </body>
  49 </html>