1 2/* Stereo chorus. */ 3 4declare name "chorus -- stereo chorus effect"; 5declare author "Albert Graef"; 6declare version "1.0"; 7 8import("music.lib"); 9 10level = hslider("level", 0.5, 0, 1, 0.01); 11freq = hslider("freq", 3, 0, 10, 0.01); 12dtime = hslider("delay", 0.025, 0, 0.2, 0.001); 13depth = hslider("depth", 0.02, 0, 1, 0.001); 14 15tblosc(n,f,freq,mod) = (1-d)*rdtable(n,wave,i&(n-1)) + 16 d*rdtable(n,wave,(i+1)&(n-1)) 17with { 18 wave = time*(2.0*PI)/n : f; 19 phase = freq/SR : (+ : decimal) ~ _; 20 modphase = decimal(phase+mod/(2*PI))*n; 21 i = int(floor(modphase)); 22 d = decimal(modphase); 23}; 24 25chorus(dtime,freq,depth,phase,x) 26 = x+level*fdelay(1<<16, t, x) 27with { 28 t = SR*dtime/2*(1+depth*tblosc(1<<16, sin, freq, phase)); 29}; 30 31process = vgroup("chorus", (left, right)) 32with { 33 left = chorus(dtime,freq,depth,0); 34 right = chorus(dtime,freq,depth,PI/2); 35}; 36