Multichannel amplifier

Details Multichannel amplifier Multichannel amplifier

2008-03-19

2011-11-08

Bryant, Kiesha (Department: 2891)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Stereo speaker arrangement

C381S074000, C381S102000, C381S104000, C381S123000, C381S309000

Reexamination Certificate

active

08054998

ABSTRACT:
In a multichannel amplifier according to the present invention, in a case where a headphone is not connected to a headphone output terminal, a switch IC and first to third switches are on/off controlled by a control unit so that an audio signal path for outputting a front channel signal FL/FR to a front speaker and extending from a first input terminal1to a front speaker output terminal6via a buffer circuit10a, a switch IC9, a first volume control unit3a, a buffer circuit10b, and a first amplifying unit4ais not electrically connected to another audio signal path.

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