Vehicle-mounted three dimensional sound field reproducing...

Details Vehicle-mounted three dimensional sound field reproducing... Vehicle-mounted three dimensional sound field reproducing...

2001-05-28

2008-10-21

Chin, Vivian (Department: 2615)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Stereo speaker arrangement

C381S086000, C381S071400, C381S017000, C381S310000

Reexamination Certificate

active

07440578

ABSTRACT:
A vehicle-mounted three dimensional sound signal reproducing•silencing unit includes at least two speakers disposed for each of seats to be occupied by listeners so as to generate a three dimensional sound field space in a region inclusive of left and right external ears of each of the listeners, and three dimensional signal processing means for converting an output signal from a sound source into a three dimensional sound field signal for supplying it to each of the speakers, thereby reproducing a three dimensional sound field with rich presence for each of the seats. The unit also includes antiphase signal generating means for supplying a silencing signal to the three dimensional signal processing means, thereby silencing sounds for each of the seats without giving an effect on the other seats.

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