A non-interpolating sound generator based on the difference equation:
x(n+1) = a * x(n)^2 + b * x(n) + c
sclang code translation:
(var a = 1, b = -1, c = -0.75, xi = 0, size = 64;plot(size.collect { xi = (a * (xi ** 2)) + (b * xi) + c; xi });)| freq |
Iteration frequency in Hertz |
| a |
Equation variable |
| b |
Equation variable |
| c |
Equation variable |
| xi |
Initial value of x |
| mul | |
| add |
xxxxxxxxxx// default params{ QuadN.ar(SampleRate.ir/4) * 0.2 }.play(s);xxxxxxxxxx// logistic map// equation: x1 = -r*x0^2 + r*x0({ var r; r = MouseX.kr(3.5441, 4); // stable range QuadN.ar(SampleRate.ir/4, r.neg, r, 0, 0.1) * 0.4;}.play(s);)xxxxxxxxxx// logistic map as frequency control({ var r; r = MouseX.kr(3.5441, 4); // stable range SinOsc.ar(QuadN.ar(40, r.neg, r, 0, 0.1, 800, 900)) * 0.4;}.play(s);)