Audio apparatus having electronic graphic equalizer

Details Audio apparatus having electronic graphic equalizer Audio apparatus having electronic graphic equalizer

1989-06-14

1990-02-20

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

Having automatic equalizer circuit

381 86, H03G 500

Patent

active

049033077

ABSTRACT:
An audio apparatus includes an electronic graphic equalizer, in which a plurality of frequency characteristics corresponding to various space configurations are stored preliminarily and a plurality of frequency characteristics corresponding to various types of music are also stored preliminarily. Suitable frequency characteristics are selected from these two groups of frequency characteristics according to a specific spatial configuration and a specific music to be reproduced and combined to obtain a frequency characteristics suitable for the configuration and the music.

REFERENCES:
patent: 4458362 (1984-07-01), Berkovitz et al.
patent: 4559569 (1985-12-01), Otsuki et al.
patent: 4661982 (1987-04-01), Kitazato et al.

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