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function Hd = m_filter
%M_FILTER Returns a discrete-time filter object.
% MATLAB Code
% Generated by MATLAB(R) 9.2 and the Signal Processing Toolbox 7.4.
% Generated on: 15-Feb-2018 14:19:05
% Equiripple Bandpass filter designed using the FIRPM function.
% All frequency values are in Hz.
Fs = 8000; % Sampling Frequency
Fstop1 = 355; % First Stopband Frequency
Fpass1 = 415; % First Passband Frequency
Fpass2 = 1200; % Second Passband Frequency
Fstop2 = 1270; % Second Stopband Frequency
Dstop1 = 0.0039810717055; % First Stopband Attenuation
Dpass = 0.028774368332; % Passband Ripple
Dstop2 = 0.0039810717055; % Second Stopband Attenuation
dens = 20; % Density Factor
% Calculate the order from the parameters using FIRPMORD.
[N, Fo, Ao, W] = firpmord([Fstop1 Fpass1 Fpass2 Fstop2]/(Fs/2), [0 1 ...
0], [Dstop1 Dpass Dstop2]);
% Calculate the coefficients using the FIRPM function.
Hd = firpm(N, Fo, Ao, W, {dens});
% [EOF]
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