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Thank you konarkk for your reply. But i cannot exactly understand when you write on the psnr formula "original_sig/ variable which store original sig".
in my code i have to audio files :
[temp,f]=wavread('voice1.wav');
temp=temp';
s=temp(1,
;
N=length(s);
[temp,f]=wavread('voice2.wav');
temp=temp';
s(2,
=temp(1,1:N);
i mix them and then using fastICA i get back the unmixed signs.
I study 4 cases. 2,3,4 and 5 microphones and i'm trying to find if the increase of mics gives better results(higher psnr).
"variable which store original sig" :do you mean my s(1,
?
but which is the "original_sig" ?
Any help would be appreciated! thank you