Varying loudspeaker spatial characteristics in a vehicle

Details Varying loudspeaker spatial characteristics in a vehicle Varying loudspeaker spatial characteristics in a vehicle

1990-01-18

1991-09-03

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

Automatic tone control

381 86, H03G 900

Patent

active

050461060

ABSTRACT:
A shifting control is operative in a first region for varying the treble and midrange components of a sound signal as variously applied to the speakers of a multi-speaker system while the bass component remains unchanged, and is operative in a second region wherein all frequency components can be substantially attenuated.

REFERENCES:
patent: 4292467 (1981-09-01), Odlen et al.
patent: 4528686 (1985-07-01), Dressler
patent: 4736426 (1988-04-01), Kinoshita et al.
patent: 4845775 (1989-07-01), Kanagawa

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