Patent 7315624 was granted and assigned to Creative technology on January, 2008 by the United States Patent and Trademark Office.
Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; classifying portions of the signals having similar panning coefficients; segregating a selected one of the classified portions of the signals corresponding to the source; and reconstructing the source from the selected portions of the signals.