examp62.m

来自「ADSP TOOLBOX: Version 2.0 and gui m-file」· M 代码 · 共 12 行

clc,echo on 
%EXAMPLE 62 
load echosig                                  % Load echo signal 
sound(echosig)                                % Listen to echo signal
N1=fix(0.09375*8192);N2=2*N1;                 % Filter delays
n=[1 zeros(1,N2)];                            % Numerator of inverse
d=[1 zeros(1,N1-1) 0.9 zeros(1,N2-N1-1) 0.8]; % Denominator of inverse
noecho=filter(n,d,echosig);                   % Filtered signal
sound(noecho)                                 % Listen to filtered signal
echo off %end of example