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The main program is MAIN_UCBSS.m This is the implementaion of the algorithm proposed in the paper V. G. Reju, S. N. Koh and I. Y. Soon, “Underdetermined Convolutive Blind Source Separation via Time-Frequency Masking,?IEEE Transactions on Audio, Speech and Language Processing, Vol. 18, NO. 1, Jan. 2010, pp. 101?16. Here the signals are mixed using the measured room impulse response to get the mixed signals. The algorithm can be easly extended for more number of sources, both determined and underdetermined cases. Description This is the implementaion of the algorithm proposed in the paper V. G. Reju, S. N. Koh and I. Y. Soon, ¡°Underdetermined Convolutive Blind Source Separation via Time-Frequency Masking,¡± IEEE Transactions on Audio, Speech and Language Processing, Vol. 18, NO. 1, Jan. 2010, pp. 101¨C116. Here the signals are mixed using the measured room impulse response to get the mixed signals. The algorithm can be easily extended for more number of sources, both determined and underdetermined cases. Required Products Fuzzy Logic Toolbox Signal Processing Toolbox MATLAB MATLAB release MATLAB 7.10 (R2010a)