Patent ID: 8135151
Filing Date: 2012-03-13
Classification: H04R,H04S

Abstract:
1. An audio signal reproduction device that can be connected to a speaker system capable of outputting audio signals of a 5.1-channel sound field system and external equipment, the speaker system comprising: a center speaker that is located at a front center of a listening position and capable of outputting a C-channel sound; a left front speaker and a right front speaker that are located on both sides of the center speaker and capable of outputting an L-channel sound and a R-channel sound, respectively; and a left rear speaker and a right rear speaker that are located on both sides of the listening position and capable of outputting an SL-channel sound and an SR-channel sound, respectively, the audio signal reproduction device comprising: a communication portion that instructs the external equipment to transmit the audio information provided for the 7.1-channel sound field system and outputs the audio information provided for the 7.1-channel sound field system transmitted from the external equipment; and a control portion that produces audio information provided for the 5.1-channel sound field system based on the audio information provided for the 7.1-channel sound field system that is output from the communication portion, wherein the control portion produces audio information to be output from the left front speaker by mixing L-channel audio information and SL-channel audio information that are output from the communication portion, the control portion produces audio information to be output from the right front speaker by mixing R-channel audio information and SR-channel audio information that are output from the communication portion, the control portion produces audio information to be output from the left rear speaker by mixing SBL-channel audio information and SL-channel audio information that are output from the communication portion, and the control portion produces audio information to be output from the right rear speaker by mixing SBR-channel audio information and SR-channel audio information that are output from the communication portion.