数字信号处理——基于计算机的方法第四版MATLAB源程序

数字信号处理——基于计算机的方法（第四版）[余翔宇]14597-数字信号处理——基于计算机的方法（第四版）（英文改编版） matlab源代码

%Allpass reveberator 
% y = alpas（xRa）
%
% Parameters:
%  x is the input audio signal
%  R is the delay in allpass structure
%  a specifies the allpass filter coefficient 
%
% Return value:
%  y is the output signal
%
% Copyright 2004 Vincent Wan
% Credits: Vikas Sahdev Rajesh Samudrala Rajani Sadasivam
%
% Example:
%  [xfsnbits] = wavread（‘dsp01.wav‘）;
%  y = alpas（x80000.5）;
%  wavplay（yfs）;

function y = alpas（xRa）

num=[azeros（1R-1）1];

den=fliplr（num）;

y=filter（numdenx）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2010-07-19 10:46  chap04\
     目录           0  2010-07-19 10:47  chap04\batch_files\
     文件          30  2010-07-15 15:52  chap04\batch_files\Program_4_1.bat
     文件          30  2010-07-15 15:52  chap04\batch_files\Program_4_2.bat
     文件          30  2010-07-15 15:52  chap04\batch_files\Program_4_3.bat
     文件          30  2010-07-19 10:47  chap04\batch_files\Program_4_4.bat
     文件         433  2010-06-10 13:21  chap04\Program_4_1.m
     文件         512  2010-06-10 13:22  chap04\Program_4_2.m
     文件         552  2010-06-10 13:24  chap04\Program_4_3.m
     文件         483  2010-06-10 13:25  chap04\Program_4_4.m
     目录           0  2010-07-14 14:01  chap05\
     目录           0  2010-07-14 14:01  chap05\batch_files\
     文件          30  2010-07-15 15:48  chap05\batch_files\Program_5_1.bat
     文件          30  2010-07-15 15:48  chap05\batch_files\Program_5_2.bat
     文件          30  2010-07-15 15:49  chap05\batch_files\Program_5_3.bat
     文件          30  2010-07-15 15:49  chap05\batch_files\Program_5_4.bat
     文件          30  2010-07-15 15:49  chap05\batch_files\Program_5_5.bat
     文件         378  2004-07-29 09:39  chap05\circonv.m
     文件         304  2004-07-22 09:01  chap05\haar_1D.m
     文件         746  2004-07-22 08:59  chap05\Program_5_1.m
     文件         725  2004-07-22 08:59  chap05\Program_5_2.m
     文件         385  2004-07-22 08:59  chap05\Program_5_3.m
     文件         747  2004-07-22 09:00  chap05\Program_5_4.m
     文件         561  2004-07-29 09:15  chap05\Program_5_5.m
     目录           0  2010-07-14 14:01  chap06\
     目录           0  2010-07-14 14:01  chap06\batch_files\
     文件          30  2010-07-15 15:44  chap06\batch_files\Program_6_1.bat
     文件          30  2010-07-15 15:45  chap06\batch_files\Program_6_2.bat
     文件          30  2010-07-15 15:45  chap06\batch_files\Program_6_3.bat
     文件          30  2010-07-15 15:45  chap06\batch_files\Program_6_4.bat
     文件          30  2010-07-15 15:45  chap06\batch_files\Program_6_5.bat
............此处省略193个文件信息