-
-/* A simple chorus effect. */
-
-declare name "chorus -- a simple chorus effect";
-declare author "Albert Graef";
-declare version "1.0";
-
-import("music.lib");
-
-level = hslider("level", 0.5, 0, 1, 0.01);
-freq = hslider("freq", 2, 0, 10, 0.01);
-dtime = hslider("delay", 0.025, 0, 0.2, 0.001);
-depth = hslider("depth", 0.02, 0, 1, 0.001);
-
-tblosc(n,f,freq,mod) = (1-d)*rdtable(n,waveform,i&(n-1)) +
- d*rdtable(n,waveform,(i+1)&(n-1))
-with {
- waveform = time*(2.0*PI)/n : f;
- phase = freq/SR : (+ : decimal) ~ _;
- modphase = decimal(phase+mod/(2*PI))*n;
- i = int(floor(modphase));
- d = decimal(modphase);
-};
-
-chorus(d,freq,depth) = fdelay(1<<16, t)
-with { t = SR*d/2*(1+depth*tblosc(1<<16, sin, freq, 0)); };
-
-process = vgroup("chorus", (c, c))
-with { c(x) = x+level*chorus(dtime,freq,depth,x); };