U_3 Butterworth BPF Sampling Frequency = 44100.0 cutoff1 = 1000.0 cutoff2 = 3000.0 Order = 1st Quantize Off **** 1st biquad **** 0.12571273546 0.00000000000 -0.12571273546 -1.69524073344 0.74857452907