MUSIC SYNTHESIS EQUATION
A(Z)= FIRST ORDER ALL PASS FILTER.
= (Z^(-1)-gamma)/(1-gamma*Z^(-1)).(1+z^(-1))/z
gamma= filter constant.
Y(Z)= (z^(-1)-gamma)/(1-gamma*z^(-1))*(alpha^R)/2(z^(-R)+z^(-R-1))*Y(Z).
IN TIME DOMAIN:
y(n)= gamma*y(n-1)+(alpha^R)/2(y(n-R-1)+y(n-R-2))-(gamma*(alpha^R))/2((y(n-R)+y(n-R-1))
Sampling frequency(Fs) and values for the octet notes
NOTE NAME |
Fs(Hz) |
R |
SA |
264 |
30 |
RE |
297 |
26 |
GA |
330 |
24 |
MA |
352 |
22 |
PA |
396 |
20 |
DHA |
440 |
18 |
NI |
495 |
16 |
SA |
528 |
14 |