These are the coefficients to show the program output. This particular result is for the specifications given at the bottom.

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Coefficients for the Bandpass Filter
using the Hamming Window

w[0] = 1.000000
w[1] = 0.954446
w[2] = 0.826805
w[3] = 0.642360
w[4] = 0.437640
w[5] = 0.253195
w[6] = 0.125554
w[7] = 0.080000


hh[0] = -0.040138
hh[1] = -0.037513
hh[2] = -0.026985
hh[3] = -0.148494
hh[4] = 0.008077
hh[5] = -0.250372
hh[6] = 0.037343
hh[7] = 0.708333


coeff[0] = -0.040138
coeff[1] = -0.035804
coeff[2] = -0.022311
coeff[3] = -0.095386
coeff[4] = 0.003535
coeff[5] = -0.063393
coeff[6] = 0.004689
coeff[7] = 0.056667


The number of coefficients is: 15
The Upper and lower frequencies  Normalized are: 3000.000000 20000.000000
The Sampling frequency is: 48000