Theater sound system with upper surround channels

Details Theater sound system with upper surround channels Theater sound system with upper surround channels

1995-08-23

1998-09-01

Kuntz, Curtis

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

381 22, 381 23, 381 19, 352 37, H04R 500

Patent

active

058021817

ABSTRACT:
An improved theater surround sound system incorporates a screen top speaker and an overhead speaker driven by corresponding upper surround channels to more accurately reproduce sounds produced from above the listener. These top surround channels are encoded along with the left and right surround channels. A pilot signal is used to direct the sound from the side surround channels to the upper surround channels when needed.

REFERENCES:
patent: 3959590 (1976-05-01), Scheiber
patent: 4461552 (1984-07-01), Levine
patent: 4600280 (1986-07-01), Clark
patent: 4680796 (1987-07-01), Blackmer
patent: 4792974 (1988-12-01), Chace
patent: 4905283 (1990-02-01), Ishikawa
patent: 5189703 (1993-02-01), Holman
patent: 5199075 (1993-03-01), Fosgate
patent: 5602922 (1997-02-01), Lee
patent: 5602923 (1997-02-01), Ozaki et al.

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