freq_response.m

声音过滤器工具大集合.

function freq_response(b, a, fs) 
%FREQ_RESPONSE - Calculates and plots the frequency response of digital filters. 
%
%     usage:  freq_response(b, a, fs)
%         
%           b = Vector, numerator coefficients
%           a = Vector, denominator coefficients
%          fs = Scalar, sampling frequency (in Hz)

%  Copyright (c) 2005 Bo餫