The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1998
Filed:
Apr. 25, 1996
Ryo Tagami, Katano, JP;
Mitsuhiko Serikawa, Nishinomiya, JP;
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
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.