HelpSource/Classes/PV_RandComb.schelp

   1 class:: PV_RandComb
   2 summary:: Pass random bins.
   3 related:: Classes/PV_RandWipe
   4 categories:: UGens>FFT
   5
   6 Description::
   7
   8 Randomly clear bins.
   9
  10
  11 classmethods::
  12
  13 method::new
  14
  15 argument::buffer
  16
  17 FFT buffer.
  18
  19
  20 argument::wipe
  21
  22 Clears bins from input in a random order as wipe goes from 0 to
  23 1.
  24
  25
  26 argument::trig
  27
  28 A trigger, that selects a new random ordering.
  29
  30
  31 Examples::
  32
  33 code::
  34
  35 s.boot;
  36
  37 (
  38 b = Buffer.alloc(s,2048,1);
  39 c = Buffer.read(s, Help.dir +/+ "sounds/a11wlk01.wav");
  40 )
  41
  42 (
  43 SynthDef("help-randcomb", { arg out=0, bufnum=0;
  44         var in, chain;
  45         in = {WhiteNoise.ar(0.8)}.dup;
  46         chain = FFT(bufnum, in);
  47         chain = PV_RandComb(chain, 0.95, Impulse.kr(0.4));
  48         Out.ar(out, IFFT(chain).dup);
  49 }).play(s,[\out, 0, \bufnum, b.bufnum]);
  50 )
  51
  52 (
  53 //trig with MouseY
  54 SynthDef("help-randcomb2", { arg out=0, bufnum=0, soundBufnum=2;
  55         var in, chain;
  56         in = PlayBuf.ar(1, soundBufnum, BufRateScale.kr(soundBufnum), loop: 1);
  57         chain = FFT(bufnum, in);
  58         chain = PV_RandComb(chain, MouseY.kr, Impulse.kr(0.4));
  59         Out.ar(out, IFFT(chain).dup);
  60 }).play(s,[\out, 0, \bufnum, b.bufnum, \soundBufnum, c.bufnum]);
  61 )
  62
  63 ::
  64