Help/UGens/Chaos/LinCongC.html

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  24 <p class="p1"><b>LinCongC<span class="Apple-tab-span">  </span><span class="Apple-tab-span">    </span>linear congruential chaotic generator</b></p>
  25 <p class="p2"><br></p>
  26 <p class="p3"><b>LinCongC.ar(freq, a, c, m, xi, mul, add)</b></p>
  27 <p class="p2"><br></p>
  28 <p class="p3"><span class="Apple-tab-span">     </span><b>freq</b> - iteration frequency in Hertz</p>
  29 <p class="p3"><span class="Apple-tab-span">     </span><b>a</b> - multiplier amount</p>
  30 <p class="p3"><span class="Apple-tab-span">     </span><b>c</b> - increment amount</p>
  31 <p class="p3"><span class="Apple-tab-span">     </span><b>m</b> - modulus amount</p>
  32 <p class="p3"><span class="Apple-tab-span">     </span><b>xi</b> - initial value of x</p>
  33 <p class="p4"><br></p>
  34 <p class="p3">A cubic-interpolating sound generator based on the difference equation:</p>
  35 <p class="p2"><span class="Apple-tab-span">     </span></p>
  36 <p class="p3"><span class="Apple-tab-span">     </span>x<span class="s1"><sub>n+1</sub></span> = (ax<span class="s1"><sub>n</sub></span> + c) % m</p>
  37 <p class="p4"><span class="Apple-tab-span">     </span></p>
  38 <p class="p3">The output signal is automatically scaled to a range of [-1, 1].</p>
  39 <p class="p4"><br></p>
  40 <p class="p4"><br></p>
  41 <p class="p5">// default initial params</p>
  42 <p class="p6">{ <span class="s2">LinCongC</span>.ar(<span class="s2">MouseX</span>.kr(20, <span class="s2">SampleRate</span>.ir)) * 0.2 }.play(s);</p>
  43 <p class="p4"><br></p>
  44 <p class="p5">// randomly modulate params</p>
  45 <p class="p6">(</p>
  46 <p class="p7"><span class="s3">{ </span>LinCongC<span class="s3">.ar(</span></p>
  47 <p class="p6"><span class="Apple-tab-span">     </span><span class="s2">LFNoise2</span>.kr(1, 1e4, 1e4),<span class="Apple-converted-space"> </span></p>
  48 <p class="p6"><span class="Apple-tab-span">     </span><span class="s2">LFNoise2</span>.kr(0.1, 0.5, 1.4),<span class="Apple-converted-space"> </span></p>
  49 <p class="p6"><span class="Apple-tab-span">     </span><span class="s2">LFNoise2</span>.kr(0.1, 0.1, 0.1),</p>
  50 <p class="p6"><span class="Apple-tab-span">     </span><span class="s2">LFNoise2</span>.kr(0.1)</p>
  51 <p class="p6">) * 0.2 }.play(s);</p>
  52 <p class="p6">)</p>
  53 <p class="p4"><br></p>
  54 <p class="p5">// as frequency control...</p>
  55 <p class="p6">(</p>
  56 <p class="p6">{<span class="Apple-converted-space"> </span></p>
  57 <p class="p7">SinOsc<span class="s3">.ar(</span></p>
  58 <p class="p7"><span class="s3"><span class="Apple-tab-span">    </span></span>LinCongC<span class="s3">.ar(</span></p>
  59 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>40,<span class="Apple-converted-space"> </span></p>
  60 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">LFNoise2</span>.kr(0.1, 0.1, 1),<span class="Apple-converted-space"> </span></p>
  61 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">LFNoise2</span>.kr(0.1, 0.1, 0.1),</p>
  62 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">LFNoise2</span>.kr(0.1),</p>
  63 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>0, 500, 600</p>
  64 <p class="p6"><span class="Apple-tab-span">     </span>)<span class="Apple-tab-span">   </span></p>
  65 <p class="p6">) * 0.4 }.play(s);</p>
  66 <p class="p6">)</p>
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