メモ　NTncクロスオーバー　MiniDSP Advanced Mode 48kHz

忘却録です♪

miniDSP 48kHz用のbiquadクロスオーバーネットワークのパラメータです。
アドバンモードに切り替え、コピペ。

Neville Thiele Method Crossover Filtersは
LR4近似でキレが良いフィルターです。

フィルターの説明はこちら。
https://bssaudio.com/en/whiseworks

# Sample Rate: 48000 Hz

HPF_NTNC, 3500.000 Hz, Order 4, Lobe Height -42.000 dB
biquad1,
b0=0.73873750612738064980,
b1=-1.47747501225476129960,
b2=0.73873750612738064980,
a1=1.39714914529929168374,
a2=-0.55780087921023135955,
biquad2,
b0=0.74581357505489342952,
b1=-1.46332287439973574017,
b2=0.74581357505489342952,
a1=1.39714914529929168374,
a2=-0.55780087921023135955,

LPF_NTNC, 3500.000 Hz, Order 4, Lobe Height -42.000 dB
biquad1,
b0=0.17031671110441437555,
b1=-0.17998168829788907530,
b2=0.17031671110441437555,
a1=1.39714914529929168374,
a2=-0.55780087921023135955,
biquad2,
b0=0.04016293347773491201,
b1=0.08032586695546982403,
b2=0.04016293347773491201,
a1=1.39714914529929168374,
a2=-0.55780087921023135955,

HPF_NTNC, 650.000 Hz, Order 4, Lobe Height -42.000 dB
biquad1,
b0=0.94656361247862164099,
b1=-1.89312722495724328198,
b2=0.94656361247862164099,
a1=1.88969679928862177576,
a2=-0.89655765062586512126,
biquad2,
b0=0.94686577716923436832,
b1=-1.89252289557601760528,
b2=0.94686577716923414627,
a1=1.88969679928862177576,
a2=-0.89655765062586512126,

LPF_NTNC, 650.000 Hz, Order 4, Lobe Height -42.000 dB
biquad1,
b0=0.16846892140530719817,
b1=-0.33007699147337099532,
b2=0.16846892140530719817,
a1=1.88969679928862177576,
a2=-0.89655765062586512126,
biquad2,
b0=0.00171521283431085567,
b1=0.00343042566862171135,
b2=0.00171521283431085567,
a1=1.88969679928862177576,
a2=-0.89655765062586512126,

HPF_NTNC, 68.000 Hz, Order 4, Lobe Height -42.000 dB
biquad1,
b0=0.99429998405036756903,
b1=-1.98859996810073513807,
b2=0.99429998405036756903,
a1=1.98856057789409446102,
a2=-0.98863935830737559307,
biquad2,
b0=0.99430345364557437549,
b1=-1.98859302891032219129,
b2=0.99430345364557459753,
a1=1.98856057789409446102,
a2=-0.98863935830737559307,

LPF_NTNC, 68.000 Hz, Order 4, Lobe Height -42.000 dB
biquad1,
b0=0.17518092186065373217,
b1=-0.35028306330802638779,
b2=0.17518092186065373217,
a1=1.98856057789409446102,
a2=-0.98863935830737559307,
biquad2,
b0=0.00001969510332027052,
b1=0.00003939020664054104,
b2=0.00001969510332027052,
a1=1.98856057789409446102,
a2=-0.98863935830737559307,