examples/dsp_files/sin.dsp

   1 //sin = ffunction(float sin(float), <math.h>, "");
   2 //floor = ffunction(float floor(float), <math.h>, "");
   3 PI = 3.141592653589;
   4
   5 tablesize = 40000;
   6 samplingfreq = 44100.;
   7
   8 time = (+(1)~_) - 1;
   9 sinwavform = time * (2 * PI)/tablesize : sin;
  10
  11 decimal = _ <: -(floor);
  12 phase(freq) = freq / samplingfreq : mem : ( + : decimal) ~ _ : * (tablesize) : int;
  13 osc(freq) = phase(freq) : rdtable(tablesize, sinwavform);
  14
  15 vol = 1;
  16 freq = 1000;
  17
  18 process = osc(freq) * vol;
  19 //process = freq / samplingfreq : @(1): ( + : decimal) ~ _ : * (tablesize) : int ;