Title:
ON-VEHICLE SOUND REPRODUCTION DEVICE
Document Type and Number:
Japanese Patent JP3570032
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To exclude biased sound field presence by controlling the sound field of a listener by the direct emitting sound of a loud-speaker set adjacently to the listener sitting in the rear seat.
SOLUTION: A system 7L comprising the loudspeaker 8L1 which performs sound emission in a direction of left panel 9L and the loudspeaker 8L2 which performs the sound emission in a direction of right panel 9R is arranged on the left side of a rear panel 6 so as to set distance between the loudspeaker 8L1 and a listener position at a left rear seat 5L nearly equal to the one between the loudspeaker 8L2 and the listens position at the left rear seat 5L, and a system 7R comprising the loudspeaker 8R1 which performs the sound emission in the direction of right panel 9R and the loud-speaker 8R2 which performs the sound emission in the direction of left panel 9L is arranged on the right side of the rear panel 6 so as to set distance between the loudspeaker 8R1 and the listener position at a right rear seat 5R nearly equal to the one between the loudspeaker 8R2 and the listens position at the right rear seat 5R, and the loudspeakers 8L2, 8R2 reproduce signals with phases opposite to that of an L-channel signal and an R-channel signal generated by the loudspeakers 8L1, 8R1, respectively.
Inventors:
Munehiro Kano
Application Number:
JP21529895A
Publication Date:
September 29, 2004
Filing Date:
July 31, 1995
Export Citation:
Assignee:
Onkyo Co., Ltd.
International Classes:
H04R5/02; B60R11/02; G10K11/178; G10K15/00; H04R3/12; H04S1/00; (IPC1-7): H04R5/02; B60R11/02; H04R3/12; H04S1/00
Domestic Patent References:
| JP4139999A | ||||
| JP4023399U | ||||
| JP6072253A | ||||
| JP4318799A |