Hi,
I need help with the following code from Tutorial2 p.34 & p.75. There are
errors when compiling
//-----------------------------------------------------------------
import("math.lib");
import("music.lib");
import("filter.lib");
// S&H:
SH(trig,x) = (*(1 - trig) + x * trig) ~ _;
//First order Butterworth lowpass filter
lowpass1 = tf1s(0,1,1,PI*SR/2);
// pitch tracker:
Pitch(a,x) = a * SR / max(M,1) - a * SR * (M==0)
with {
U = (x’ < 0) & (x >= 0);
V = +(U) ~ %(int(a));
W = U & (V == a);
N = (+(1) : *(1 - W)) ~ _ ;
M = SH( N == 0 , N’ + 1);
};
PtchPr(a) = dcblockerat(80) : (lowpass1 : Pitch(a)) ~ max(100);
I = hslider("Index of modulation",0,0,5,0.001) ;
r = hslider("c:m",1,0.1,5,0.001) ;
del(r,I,x) = x : fdelay3(1 << 17, dt + 1)
with {
k = 8.0; // pitch-tracking analyzing cycles number
fc = PtchPr(k,x);
dt = (0.5 * osci(fc / r) + 0.5) * I / (PI * fc) *SR;
};
process = del(r,I);
//---------------------------------------------------------------------
errors:
syntax error, unexpected EXTRA, expecting PAR or RPAR (in M = SH([...]) and
U = ([...]);)
I don't see any extra or missing parenthesis. Please help.
Thanks.
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