interpretor/preprocessor/faust-0.9.47mr3/tools/faust2pd/examples/synth/organ.syn

   1
   2 declare name "organ -- a simple additive synth";
   3 declare author "Albert Graef";
   4 declare version "1.0";
   5
   6 import("music.lib");
   7
   8 // control variables
   9
  10 vol     = hslider("vol", 0.3, 0, 10, 0.01);     // %
  11 pan     = hslider("pan", 0.5, 0, 1, 0.01);      // %
  12 attack  = hslider("attack", 0.01, 0, 1, 0.001); // sec
  13 decay   = hslider("decay", 0.3, 0, 1, 0.001);   // sec
  14 sustain = hslider("sustain", 0.5, 0, 1, 0.01);  // %
  15 release = hslider("release", 0.2, 0, 1, 0.001); // sec
  16 freq    = nentry("freq", 440, 20, 20000, 1);    // Hz
  17 gain    = nentry("gain", 0.3, 0, 10, 0.01);     // %
  18 gate    = button("gate");                       // 0/1
  19
  20 // relative amplitudes of the different partials
  21
  22 amp(1)  = hslider("amp1", 1.0, 0, 3, 0.01);
  23 amp(2)  = hslider("amp2", 0.5, 0, 3, 0.01);
  24 amp(3)  = hslider("amp3", 0.25, 0, 3, 0.01);
  25
  26 // additive synth: 3 sine oscillators with adsr envelop
  27
  28 partial(i) = amp(i+1)*osc((i+1)*freq);
  29
  30 process = sum(i, 3, partial(i))
  31   * (gate : vgroup("1-adsr", adsr(attack, decay, sustain, release)))
  32   * gain : vgroup("2-master", *(vol) : panner(pan));