Help/UGens/Random/NRand.html

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  27 <p class="p1"><b>NRand</b></p>
  28 <p class="p2"><br></p>
  29 <p class="p3"><b>NRand(lo, hi, n)</b></p>
  30 <p class="p4"><br></p>
  31 <p class="p3">Generates a single random float value in a sum of n uniform distributions from lo to hi.</p>
  32 <p class="p5"><span class="Apple-tab-span">     </span></p>
  33 <p class="p3">n = 1 : uniform distribution - same as Rand</p>
  34 <p class="p3">n = 2 : triangular distribution</p>
  35 <p class="p3">n = 3 : smooth hump</p>
  36 <p class="p3">as n increases, distribution converges towards gaussian</p>
  37 <p class="p6"><br></p>
  38 <p class="p7">(</p>
  39 <p class="p7"><span class="s1">SynthDef</span>(<span class="s2">"help-NRand"</span>, { <span class="s1">arg</span> out=0, n=0;</p>
  40 <p class="p7"><span class="Apple-tab-span">     </span><span class="s1">Out</span>.ar(out,<span class="Apple-converted-space"> </span></p>
  41 <p class="p8"><span class="s3"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></span>FSinOsc<span class="s3">.ar(</span></p>
  42 <p class="p7"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s1"><span class="Apple-tab-span">   </span>NRan</span>d(1200.0, 4000.0, n),<span class="Apple-converted-space"> </span></p>
  43 <p class="p7"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>0, <span class="s1">Line</span>.kr(0.2, 0, 0.01, doneAction:2))</p>
  44 <p class="p7"><span class="Apple-tab-span">     </span>)</p>
  45 <p class="p7">}).send(s);</p>
  46 <p class="p7">)</p>
  47 <p class="p9"><br></p>
  48 <p class="p7">(</p>
  49 <p class="p7">n = 0;</p>
  50 <p class="p7">Routine({</p>
  51 <p class="p7"><span class="Apple-tab-span">     </span>inf.do({ arg i;</p>
  52 <p class="p10"><span class="s3"><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span></span><span class="s1">Synth</span><span class="s3">.new(</span>"help-NRand", [\n, n]<span class="s3">); 0.05.wait;</span></p>
  53 <p class="p7"><span class="Apple-tab-span">     </span>})</p>
  54 <p class="p7">}).play;</p>
  55 <p class="p7">)</p>
  56 <p class="p9"><br></p>
  57 <p class="p7">n = 1;</p>
  58 <p class="p7">n = 2;</p>
  59 <p class="p7">n = 4;</p>
  60 </body>
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