Help/UGens/Noise/PinkNoise.html

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  27 <p class="p1"><b>PinkNoise<span class="Apple-tab-span"> </span><span class="Apple-tab-span">    </span></b><span class="s1"><b>1/f noise</b></span><b><span class="Apple-tab-span">     </span></b></p>
  28 <p class="p2"><br></p>
  29 <p class="p3"><b>PinkNoise.ar(mul, add)</b></p>
  30 <p class="p3"><b>PinkNoise.kr(mul, add)</b></p>
  31 <p class="p2"><br></p>
  32 <p class="p4"><span class="s2">see also: <a href="WhiteNoise.html"><span class="s3">WhiteNoise</span></a>, <a href="BrownNoise.html"><span class="s3">BrownNoise</span></a>, <a href="../../Other Topics/Randomness.html"><span class="s3">Randomness</span></a></span></p>
  33 <p class="p2"><br></p>
  34 <p class="p3">Generates noise whose spectrum falls off in power by 3 dB per octave.</p>
  35 <p class="p3">This gives equal power over the span of each octave.</p>
  36 <p class="p3">This version gives 8 octaves of pink noise.</p>
  37 <p class="p5"><br></p>
  38 <p class="p6">// compare:</p>
  39 <p class="p7">{ <span class="s4">PinkNoise</span>.ar(0.3) }.play;</p>
  40 <p class="p7">{ <span class="s4">WhiteNoise</span>.ar(0.3) }.play;</p>
  41 <p class="p8"><br></p>
  42 <p class="p8"><br></p>
  43 <p class="p6">// pink noise as a frequency modulator</p>
  44 <p class="p7">{ <span class="s4">SinOsc</span>.ar(<span class="s4">PinkNoise</span>.ar(100, 200)) * 0.1 }.play;</p>
  45 <p class="p8"><br></p>
  46 <p class="p6">// filtered pink noise</p>
  47 <p class="p7">{ <span class="s4">BPF</span>.ar(<span class="s5">PinkNoise</span>.ar(0.1.dup), MouseX.kr(40, 17000, 1), 0.2) }.play;</p>
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