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.

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