MiniDSP Allpass Biquad Calculator.xlsx

	A	B	C	D	E	F	G	H	I	J	L
1											copy&paste below to MiniDSP
2		Sampling Rate (Hz)	48000								biquad1,
3		Filter #	1	2	3	4	5	6	7	8	b0=1,
4		Center frequency (Hz)	80	200	200						b1=-0.989582475318754,
5		Invert polarity? (1=Yes, 0=No)	0	0	1	1					b2=0,
6		Quality Factor (Q) (keep or empty for 1st order filters)		0.707106781186548	0.707106781186548	0.5					a1=1.01052719196335,
7											a2=0,
8	zeros	b0	1.000000000000000	1.000000000000000	-1.000000000000000	1.000000000000000	1.000000000000000	1.000000000000000	1.000000000000000	1.000000000000000	biquad2,
9		b1	-0.989582475318754	-1.962980089389340	1.962980089389340	0.000000000000000	0.000000000000000	0.000000000000000	0.000000000000000	0.000000000000000	b0=1,
10		b2	0.000000000000000	0.963652984223705	-0.963652984223705	0.000000000000000	0.000000000000000	0.000000000000000	0.000000000000000	0.000000000000000	b1=-1.96298008938934,
11	poles	a1	1.010527191963350	2.037019675677820	2.037019675677820	0.000000000000000	0.000000000000000	0.000000000000000	0.000000000000000	0.000000000000000	b2=0.963652984223705,
12	poles	a2	0.000000000000000	-1.037717950726400	-1.037717950726400	0.000000000000000	0.000000000000000	0.000000000000000	0.000000000000000	0.000000000000000	a1=2.03701967567782,
13											a2=-1.0377179507264,
14	1/√2 =	0.707106781186548									biquad3,
15											b0=-1,
16											b1=1.96298008938934,
17											b2=-0.963652984223705,
18											a1=2.03701967567782,
19											a2=-1.0377179507264,
20											biquad4,
21											b0=1,
22											b1=0,
23											b2=0,
24											a1=0,
25											a2=0,
26											biquad5,
27											b0=1,
28											b1=0,
29											b2=0,
30											a1=0,
31											a2=0,
32											biquad6,
33											b0=1,
34											b1=0,
35											b2=0,
36											a1=0,
37											a2=0,
38											biquad7,
39											b0=1,
40											b1=0,
41											b2=0,
42											a1=0,
43											a2=0,
44											biquad8,
45											b0=1,
46											b1=0,
47											b2=0,
48											a1=0,
49											a2=0
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