Help/UGens/Delays/CombL.html

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  24 <p class="p1"><b>CombL<span class="Apple-tab-span">     </span>comb delay line with linear interpolation</b></p>
  25 <p class="p2"><br></p>
  26 <p class="p3"><b>CombL.ar(in, maxdelaytime, delaytime, decaytime, mul, add)</b></p>
  27 <p class="p3"><b>CombL.kr(in, maxdelaytime, delaytime, decaytime, mul, add)</b></p>
  28 <p class="p4"><br></p>
  29 <p class="p3">Comb delay line with linear interpolation. See also <a href="CombN.html"><span class="s1">CombN</span></a> which uses no interpolation, and <a href="CombC.html"><span class="s1">CombC</span></a> which uses cubic interpolation. Cubic interpolation is more computationally expensive than linear, but more accurate.</p>
  30 <p class="p4"><br></p>
  31 <p class="p3">See also <a href="BufCombL.html"><span class="s1">BufCombL</span></a>.</p>
  32 <p class="p4"><br></p>
  33 <p class="p3"><b>in</b> - the input signal.</p>
  34 <p class="p3"><b>maxdelaytime</b> - the maximum delay time in seconds. used to initialize the delay buffer size.</p>
  35 <p class="p3"><b>delaytime</b> - delay time in seconds.</p>
  36 <p class="p3"><b>decaytime</b> - time for the echoes to decay by 60 decibels. If this time is negative then the feedback</p>
  37 <p class="p3">coefficient will be negative, thus emphasizing only odd harmonics at an octave lower.</p>
  38 <p class="p4"><br></p>
  39 <p class="p5">// These examples compare the variants, so that you can hear the difference in interpolation</p>
  40 <p class="p6"><br></p>
  41 <p class="p5">// Comb used as a resonator. The resonant fundamental is equal to<span class="Apple-converted-space"> </span></p>
  42 <p class="p5">// reciprocal of the delay time.</p>
  43 <p class="p7">{ <span class="s2">CombN</span>.ar(<span class="s2">WhiteNoise</span>.ar(0.01), 0.01, <span class="s2">XLine</span>.kr(0.0001, 0.01, 20), 0.2) }.play;</p>
  44 <p class="p8"><br></p>
  45 <p class="p7">{ <span class="s2">CombL</span>.ar(<span class="s2">WhiteNoise</span>.ar(0.01), 0.01, <span class="s2">XLine</span>.kr(0.0001, 0.01, 20), 0.2) }.play;</p>
  46 <p class="p8"><br></p>
  47 <p class="p7">{ <span class="s2">CombC</span>.ar(<span class="s2">WhiteNoise</span>.ar(0.01), 0.01, <span class="s2">XLine</span>.kr(0.0001, 0.01, 20), 0.2) }.play;</p>
  48 <p class="p8"><br></p>
  49 <p class="p5">// with negative feedback:</p>
  50 <p class="p7">{ <span class="s2">CombN</span>.ar(<span class="s2">WhiteNoise</span>.ar(0.01), 0.01, <span class="s2">XLine</span>.kr(0.0001, 0.01, 20), -0.2) }.play;</p>
  51 <p class="p8"><br></p>
  52 <p class="p7">{ <span class="s2">CombL</span>.ar(<span class="s2">WhiteNoise</span>.ar(0.01), 0.01, <span class="s2">XLine</span>.kr(0.0001, 0.01, 20), -0.2) }.play;</p>
  53 <p class="p8"><br></p>
  54 <p class="p7">{ <span class="s2">CombC</span>.ar(<span class="s2">WhiteNoise</span>.ar(0.01), 0.01, <span class="s2">XLine</span>.kr(0.0001, 0.01, 20), -0.2) }.play;</p>
  55 <p class="p8"><br></p>
  56 <p class="p5">// used as an echo.<span class="Apple-converted-space"> </span></p>
  57 <p class="p7">{ <span class="s2">CombL</span>.ar(<span class="s2">Decay</span>.ar(<span class="s2">Dust</span>.ar(1,0.5), 0.2, <span class="s2">WhiteNoise</span>.ar), 0.2, 0.2, 3) }.play;</p>
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