CPC H04S 3/004 (2013.01) [H04S 7/30 (2013.01); H04S 2400/05 (2013.01); H04S 2420/01 (2013.01)] | 9 Claims |
1. A method for processing a stereo signal, the method comprising:
obtaining a center channel signal by up-mixing the stereo signal;
generating a filtered center channel signal by applying one or more peak filters and one or more notch filters to the center channel signal;
generating a binaural signal based on the filtered center channel signal;
obtaining a left channel signal and a right channel signal by up-mixing the stereo signal:
convolving the stereo signal with a local reverberation to obtain a convolved stereo signal;
processing the left channel signal and the right channel signal according to two pairs of head related transfer functions to obtain a processed left channel signal and a processed right channel signal;
processing the filtered center channel signal according to a pair of head related transfer functions, to obtain a processed center channel signal;
generating a left signal of the binaural signal based on the processed left channel signal, the convolved stereo signal and the processed center channel signal; and
generating a right signal of the binaural signal according to the processed right channel signal, the convolved stereo signal and the processed center channel signal.
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