HelpSource/Classes/PV_Min.schelp

   1 class:: PV_Min
   2 summary:: Minimum magnitude.
   3 related:: Classes/FFT, Classes/IFFT, Classes/PV_Add, Classes/PV_CopyPhase, Classes/PV_MagMul, Classes/PV_Max, Classes/PV_Mul
   4 categories:: UGens>FFT
   5
   6 Description::
   7
   8 Output copies bins with the minimum magnitude of the two inputs.
   9
  10
  11 classmethods::
  12
  13 method::new
  14
  15 argument::bufferA
  16 FFT buffer A.
  17
  18 argument::bufferB
  19 FFT buffer B.
  20
  21 Examples::
  22
  23 code::
  24
  25 s.boot;
  26 (
  27 b = Buffer.alloc(s,2048,1);
  28 c = Buffer.alloc(s,2048,1);
  29 d = Buffer.read(s,"sounds/a11wlk01.wav");
  30 )
  31
  32 (
  33 var exBuf;
  34         CocoaDialog.getPaths({ arg paths; //get a second soundfile;
  35         paths.do({ arg p; exBuf = Buffer.read(s, p);
  36
  37 SynthDef("help-min", { arg out=0, bufnumA=0, bufnumB=1, soundBufnum1=2, soundBufnum2 = 3;
  38         var inA, chainA, inB, chainB, chain ;
  39         inA = PlayBuf.ar(1, soundBufnum1, BufRateScale.kr(soundBufnum1), loop: 1);
  40         inB =  PlayBuf.ar(1, soundBufnum2, BufRateScale.kr(soundBufnum2), loop: 1);
  41         chainA = FFT(bufnumA, inA);
  42         chainB = FFT(bufnumB, inB);
  43         chain = PV_Min(chainA, chainB);
  44         Out.ar(out,  0.5 * IFFT(chain).dup);
  45 }).play(s,[\out, 0, \bufnumA, b.bufnum, \bufnumB, c.bufnum, \soundBufnum1, d.bufnum, \soundBufnum2, exBuf.bufnum]);
  46         })
  47 },{
  48         "cancelled".postln;
  49 });
  50 )
  51
  52 ::
  53