view yeti/cqtkernel.yeti @ 1:f5379a70fc37

Initial kernel parameters

module cqtkernel;

{ pow, round, nextPowerOfTwo } = load may.mathmisc;

fs = 48000;

fmax = fs/2;

bins = 24;

q = 1;

atomHopFactor = 0.25;

thresh = 0.0005;

fmin = (fmax/2) * (pow 2 (1/bins));

bigQ = q / ((pow 2 (1/bins)) - 1);

nk_max = round(bigQ * fs / fmin);

nk_min = round(bigQ * fs / (fmin * (pow 2 ((bins-1)/bins))));

atomHop = round(nk_min * atomHopFactor);

first_center = atomHop * Math#ceil(Math#ceil(nk_max/2) / atomHop);

fftLen = nextPowerOfTwo (first_center + Math#ceil(nk_max/2));

println "fs = \(fs), fmax = \(fmax), bins = \(bins), q = \(q), atomHopFactor = \(atomHopFactor), thresh = \(thresh)";

println "fmin = \(fmin), bigQ = \(bigQ), nk_max = \(nk_max), nk_min = \(nk_min), atomHop = \(atomHop), first_center = \(first_center), fftLen = \(fftLen)";

();