Can anyone suggest me how to remove vocals from stereo audio in matlab as I'm fresher & I am having software project based on karaoke to remove vocals. So plz suggest me some idea or codes to remove vocals. I hv tried this but its not removing vocal

[y, fs] = wavread('Song.wav'); sound(y,fs)F's; plot(y); left = y(:,1); right = y(:,2); fftL = fft(left); fftR = fft(right); for i = 1:683550 %in my example 683550 dif = fftL(i,1) / fftR(i,1); dif = abs(dif); if (dif > 0.7 & dif < 1.5) fftL(i,1) = 0; fftR(i,1) = 0; end; end; leftOut = ifft(fftL); rightOut = ifft(fftR); yOut(:,1) = leftOut; yOut(:,2) = rightOut; wavwrite(yOut, fs, 'tmp.wav'); plot(yOut);

Answer 1

[Image Analyst]

Your problem is called "The Cocktail Party Effect" https://en.wikipedia.org/wiki/Cocktail_party_effect

To "solve" it, what you want is called "independent components analysis" or "blind source separation". See these links:

http://cnl.salk.edu/~tony/ica.html

http://www.cis.hut.fi/projects/ica/fastica/

http://www.cis.hut.fi/projects/ica/icademo/

http://research.ics.aalto.fi/ica/cocktail/cocktail_en.cgi

[Rizwan Bagwan]

I'm unabke to rectify my doubt as the link which you have suggested I'm not understanding through it plz suggested me some another idea or code to make stereo audio as karaoke

[Image Analyst]

It's not an easy problem so you're not going to find some simple and short 500 line solution except for the most simple case like a very narrow bandwidth singer.

[Rizwan Bagwan]

Thanks for your kind suggestion