Sound quality control system

Details Sound quality control system Sound quality control system

1996-04-25

1998-04-28

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

Having automatic equalizer circuit

381 98, H03G 500

Patent

active

057455864

ABSTRACT:
A sound quality control system according to the present invention precisely and swiftly realizes a sound quality that is desired by a listener, by controlling sound quality based on quantitative counter model between the psychological characteristic and the physical characteristic of a sound reproduction apparatus. A quantitative counter model between the physical characteristic of a sound reproduction apparatus and a plurality of the psychological quantities upon hearing a sound therefrom is constituted for each respective psychological quantity. Based on the quantitative counter model, a desired sound quality is input to a compensation characteristics extractor, and a compensation characteristic that realizes the desired sound quality is extracted. The compensation characteristic is sent to a signal processor; and an audio signal input is processed according to the compensation characteristic, and amplified to be reproduced by a loudspeaker.

REFERENCES:
patent: 5045802 (1991-09-01), Miyake et al.
Home and Studio Recording, Sep. 1991, pp. 40-41, Review of the Digitech MEG Dual 14 MIDI Equalizer.
Electronic Musician, Oct. 1993, pp. 105-108, "EG Workshop" by Neal Brighton and Michael Molenda.

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