HelpSource/Classes/PV_MagFreeze.schelp

   1 class:: PV_MagFreeze
   2 summary:: Freeze magnitudes.
   3 categories:: UGens>FFT
   4
   5 Description::
   6
   7 Freezes magnitudes at current levels when  code::freeze::  > 0.
   8
   9
  10 classmethods::
  11
  12 method::new
  13
  14 argument::buffer
  15
  16 FFT buffer.
  17
  18
  19 argument::freeze
  20
  21 If > 0, then magnitudes are frozen at current levels.
  22
  23
  24 Examples::
  25
  26 code::
  27
  28 s.boot;
  29 b = Buffer.read(s, Help.dir +/+ "sounds/a11wlk01.wav");
  30
  31
  32 (
  33 SynthDef("help-magFreeze", { arg out=0;
  34         var in, chain;
  35         in = SinOsc.ar(LFNoise1.kr(5.2,250,400));
  36         chain = FFT(LocalBuf(2048), in);
  37         // moves in and out of freeze
  38         chain = PV_MagFreeze(chain, SinOsc.kr(0.2) );
  39         Out.ar(out, 0.1 * IFFT(chain).dup);
  40 }).play(s);
  41
  42 )
  43
  44 (
  45 //trig with MouseY
  46 SynthDef("help-magFreeze2", { arg out=0, soundBufnum=2;
  47         var in, chain;
  48         in = PlayBuf.ar(1, soundBufnum, BufRateScale.kr(soundBufnum), loop: 1);
  49         chain = FFT(LocalBuf(2048), in);
  50         chain = PV_MagFreeze(chain, MouseY.kr > 0.5 );
  51         Out.ar(out, 0.1 * IFFT(chain).dup);
  52 }).play(s,[\soundBufnum, b]);
  53 )
  54
  55 b.free
  56
  57 ::