Help/UGens/Delays/PingPong.html

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  21 <p class="p1"><b>PingPong<span class="Apple-converted-space">  </span>ping pong delay</b></p>
  22 <p class="p2"><br></p>
  23 <p class="p3"><b>PingPong.ar(bufnum, inputArray, delayTime, feedback, rotate)</b></p>
  24 <p class="p2"><br></p>
  25 <p class="p3">Bounces sound between a number of outputs ...<span class="Apple-converted-space">  </span>like a ping-pong ball.</p>
  26 <p class="p3">PingPong is actually a compound built upon <b>RecordBuf</b> and <b>PlayBuf</b>.</p>
  27 <p class="p2"><br></p>
  28 <p class="p3"><b>bufnum</b> - first index of a multi channel buffer .</p>
  29 <p class="p3"><b>inputArray</b> - an array of audio inputs, the same size as your buffer.</p>
  30 <p class="p3"><b>delaytime</b> - delay time in seconds..</p>
  31 <p class="p3"><b>feedback</b> - feedback coefficient.</p>
  32 <p class="p3"><b>rotate</b> - default 1: which rotates the inputArray by one step.<span class="Apple-converted-space">  </span>(left -&gt; right, right -&gt; left)</p>
  33 <p class="p3"><span class="Apple-converted-space"> </span>rotation of 0 (or 2) would result in no rotation to the inputArray</p>
  34 <p class="p4"><br></p>
  35 <p class="p4"><br></p>
  36 <p class="p5">(</p>
  37 <p class="p5">s = <span class="s1">Server</span>.local;</p>
  38 <p class="p5">s.waitForBoot({</p>
  39 <p class="p4"><br></p>
  40 <p class="p5">b = <span class="s1">Buffer</span>.alloc(s,44100 * 2, 2);</p>
  41 <p class="p4"><br></p>
  42 <p class="p5"><span class="s1">SynthDef</span>(<span class="s2">"help-PingPong"</span>,{ <span class="s1">arg</span> out=0,bufnum=0,feedback=0.5,delayTime=0.2;<span class="Apple-converted-space"> </span></p>
  43 <p class="p5"><span class="Apple-converted-space"> </span><span class="s1">var</span> left, right;</p>
  44 <p class="p5"><span class="Apple-converted-space"> </span>left = <span class="s1">Decay2</span>.ar(<span class="s1">Impulse</span>.ar(0.7, 0.25), 0.01, 0.25,<span class="Apple-converted-space"> </span></p>
  45 <p class="p5"><span class="Apple-converted-space">  </span><span class="s1">SinOsc</span>.ar(<span class="s1">SinOsc</span>.kr(3.7,0,200,500)));</p>
  46 <p class="p5"><span class="Apple-converted-space"> </span>right = <span class="s1">Decay2</span>.ar(<span class="s1">Impulse</span>.ar(0.5, 0.25), 0.01, 0.25,<span class="Apple-converted-space"> </span></p>
  47 <p class="p5"><span class="Apple-converted-space">  </span><span class="s1">Resonz</span>.ar(<span class="s1">PinkNoise</span>.ar(4), <span class="s1">SinOsc</span>.kr(2.7,0,1000,2500), 0.2));</p>
  48 <p class="p4"><span class="Apple-converted-space">  </span></p>
  49 <p class="p5"><span class="Apple-converted-space"> </span><span class="s1">Out</span>.ar(0,</p>
  50 <p class="p5"><span class="Apple-converted-space">  </span><span class="s1">PingPong</span>.ar(bufnum, [left,right], delayTime, feedback, 1)</p>
  51 <p class="p5"><span class="Apple-converted-space"> </span>)</p>
  52 <p class="p5">}).play(s,[<span class="s3">\out</span>, 0, <span class="s3">\bufnum</span>, b,\feedback,0.5,\delayTime,0.1]);</p>
  53 <p class="p5">});</p>
  54 <p class="p5">)</p>
  55 <p class="p4"><br></p>
  56 <p class="p4"><br></p>
  57 <p class="p5">(</p>
  58 <p class="p5">s = <span class="s1">Server</span>.local;</p>
  59 <p class="p5">s.waitForBoot({</p>
  60 <p class="p4"><br></p>
  61 <p class="p5">b = <span class="s1">Buffer</span>.alloc(s,44100 * 2, 2);</p>
  62 <p class="p4"><br></p>
  63 <p class="p5"><span class="s1">SynthDef</span>(<span class="s2">"help-PingPong"</span>,{ <span class="s1">arg</span> out=0,bufnum=0;</p>
  64 <p class="p5"><span class="Apple-converted-space"> </span><span class="s1">var</span> left, right;</p>
  65 <p class="p5"><span class="Apple-converted-space"> </span>left = <span class="s1">Decay2</span>.ar(<span class="s1">Impulse</span>.ar(0.7, 0.25), 0.01, 0.25,</p>
  66 <p class="p5"><span class="Apple-converted-space">  </span><span class="s1">SinOsc</span>.ar(<span class="s1">SinOsc</span>.kr(3.7,0,200,500)));</p>
  67 <p class="p5"><span class="Apple-converted-space"> </span>right = <span class="s1">Decay2</span>.ar(<span class="s1">Impulse</span>.ar(0.5, 0.25), 0.01, 0.25,</p>
  68 <p class="p5"><span class="Apple-converted-space">  </span><span class="s1">Resonz</span>.ar(<span class="s1">PinkNoise</span>.ar(4), <span class="s1">SinOsc</span>.kr(2.7,0,1000,2500),</p>
  69 <p class="p5">0.2));</p>
  70 <p class="p4"><br></p>
  71 <p class="p5"><span class="Apple-converted-space"> </span><span class="s1">Out</span>.ar(0,</p>
  72 <p class="p5"><span class="Apple-converted-space">  </span><span class="s1">PingPong</span>.ar(bufnum, [left,right] *<span class="Apple-converted-space">  </span><span class="s1">EnvGen</span>.kr(<span class="s1">Env</span>([1, 1, 0], [2, 0.1])),<span class="Apple-converted-space"> </span></p>
  73 <p class="p5"><span class="Apple-converted-space">   </span>0.1, 0.8, 1)</p>
  74 <p class="p5"><span class="Apple-converted-space"> </span>)</p>
  75 <p class="p5">}).play(s,[<span class="s3">\out</span>, 0, <span class="s3">\bufnum</span>, b]);</p>
  76 <p class="p5">});</p>
  77 <p class="p5">)</p>
  78 <p class="p4"><br></p>
  79 <p class="p4"><br></p>
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