Patent ID: 8320590

Claim:
An audio signal processing device for processing audio signals provided to a plurality of speakers arranged to surround a listener, including a center speaker, a left-front speaker, a right-front speaker, a left-surround speaker, and a right-surround speaker, the audio signal processing device comprising: a signal input part adapted to receive a plurality of audio signals from an external source; and a signal processing part adapted to output a processed audio signal to be provided to the center speaker, the processed audio signal being obtained by attenuating a summation of a left-surround audio signal, among the received plurality of audio signals, to be provided to the left-surround speaker and a right-surround audio signal, among the received plurality of audio signals, to be provided to the right-surround speaker, wherein the signal processing part is further adapted to: directly output a left audio signal, among the received plurality of audio signals, to be provided to the left front speaker; directly output a right audio signal, among the received plurality of audio signals, to be provided to the right front speaker; directly output the left-surround audio signal to be provided to the left-surround speaker; and directly output the right-surround audio signal to be provided to the right-surround speaker.