Patent ID: 7206413

Claim:
A sound processing system, comprising: a crossbar matrix mixer connected to a decoder; where the crossbar matrix mixer is operable to receive at least one front input signal, a center input signal (CTR IN ) and at least one surround input signal, where the crossbar matrix mixer is further operable to generate at least one front output signal to drive a front loudspeaker, a center output signal (CTR OUT ) to drive a center loudspeaker, and at least one surround output signal to drive a surround loudspeaker; and where the crossbar matrix mixer is further operable to synthesize a virtual center channel with the at least one surround output signal by the combination of the at least one surround input signal and at least one of the at least one front input signal or at least a portion of the center input signal (CTR IN ), or a combination thereof, to drive said surround loudspeaker.