HelpSource/Classes/FreeVerb2.schelp

   1 class:: FreeVerb2
   2 summary:: A two-channel reverb
   3 categories:: UGens>Reverbs
   4 related:: Classes/FreeVerb, Classes/GVerb
   5
   6 description::
   7 Coded from experiments with faust.
   8
   9 classmethods::
  10
  11 method:: ar
  12 argument:: in
  13 input signal channel 1.
  14 argument:: in2
  15 input signal channel 2.
  16 argument:: mix
  17 dry/wet balance. range 0..1.
  18 argument:: room
  19 room size. rage 0..1.
  20 argument:: damp
  21 Reverb HF damp. range 0..1.
  22 argument::mul
  23 argument::add
  24
  25 discussion::
  26 Valid parameter range from 0 to 1. Values outside this range are clipped by the UGen.
  27
  28 examples::
  29 code::
  30 Server.default = s = Server.internal;
  31 s.boot;
  32
  33 // FreeVerb2 - demo synthdef
  34 (
  35 SynthDef(\FreeVerb2x2, {|outbus, mix = 0.25, room = 0.15, damp = 0.5, amp = 1.0|
  36         var signal;
  37
  38         signal = In.ar(outbus, 2);
  39
  40         ReplaceOut.ar(outbus,
  41                 FreeVerb2.ar( // FreeVerb2 - true stereo UGen
  42                         signal[0], // Left channel
  43                         signal[1], // Right Channel
  44                         mix, room, damp, amp)); // same params as FreeVerb 1 chn version
  45
  46 }).send(s);
  47 )
  48
  49 // 2ch source
  50 (
  51 a = SynthDef(\src2x2, {
  52         Out.ar(0,
  53                 Decay.ar(Impulse.ar(1), 0.25, LFCub.ar(1200, 0, 0.1)) ! 2 +
  54                 Pan2.ar(
  55                         Decay.ar(Impulse.ar(1, pi), 0.1, WhiteNoise.ar(0.1)),
  56                         LFNoise1.kr(0.5).range(-1, 1)
  57                 )
  58         )
  59 }).play
  60 )
  61
  62 // kick it in
  63 z = Synth(\FreeVerb2x2, [\outbus, 0], addAction:\addToTail)
  64 // experiment with some settings
  65 z.set(\room, 0.7)
  66 z.set(\mix, 0.33)
  67 z.set(\damp, 0.9)
  68
  69 // silence
  70 [a, z].do(_.free)
  71
  72 // crucial lib example
  73 (
  74 Patch({|mix =0.33, room = 0.25, damp = 0.7, amp = 0.1|
  75         var signal;
  76
  77         signal = Decay.ar(Impulse.ar(1), 0.25, LFCub.ar(1200)) ! 2 +
  78                 Pan2.ar(
  79                         Decay.ar(Impulse.ar(1, pi), 0.1, WhiteNoise.ar),
  80                         LFNoise1.kr(0.5).range(-1, 1)
  81                 );
  82
  83         FreeVerb2.ar(
  84                 signal[0], // Left channel
  85                 signal[1], // Right Channel
  86                 mix, room, damp, amp)
  87
  88 }).gui
  89 )
  90 ::