peaking_filter_freq_response.m

声音过滤器工具大集合.

function peaking_filter_freq_response(fc, fs, g, Q)
%PEAKING_FILTER_FREQ_RESPONSE - Calculates and plots the frequency response of
%                               Second-Order IIR Butterworth Peaking Filter 
%
%     usage:  peaking_filter_freq_response(fc, fs, g, Q)
%     
%          fc = Scalar, center frequency (in Hz)
%          fs = Scalar, sampling frequency (in Hz)
%           Q = Scalar, quality factor (default: 1)
%           g = Scalar, boost/cut gain (in dB)
%
%     See also peaking_filter.m and peaking_filter_imp.m

%   References:
%      [1]  John Lane, Jayant Datta, Brent Karley, Jay Norwood, "DSP Filters", 
%           PROMPT Publications(an imprint of Sams Technical Publishing), 
%           Indianapolis, IN, 2001, page 107.
%           Book's website: www.dspaudiocookbook.com

%  Copyright (c) 2005 Bo餫