sourceestimationnondegenerate.m

语音信号处理前分离信号噪声,matlab环境下运行,使信号处理效果更好

% SESTPRELIMINARY Source estimation for non-degenerate (even-determined) case
%
%  
%
%  inputs;
%  M : Number of sources;
%  data : Mixture data;
%  Aest : Estimated mixing process;
%
%  outputs:
%  SEstPreliminary : Source estimates (permuted)
%
%  
% Code available at http://www-bcl.cs.may.ie/~pogrady/
%
% Function provided as part of Soft-LOST matlab functions
%
% Paul D. O'Grady - 14-11-2003
% ([e-mail]) 

function SEstPreliminary = sourceEstimationNonDegenerate(N,data,Aest)

X = [];
for i=1:N 
       X = [ X;  data(i,:) ];
end;

W = inv(Aest);

SEstPreliminary = W*X;