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:
Sep. 07, 1999
Filed:
Sep. 30, 1996
Applicant:
Inventors:
Masatoshi Ueno, Tokyo, JP;
Shinji Miyamori, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
704230 ; 704224 ; 704229 ;
Abstract
An apparatus and method for high efficient signal coding by separating frequency components obtained by converting an input signal into tone property component signals and the other component signals by using a mask level obtained based on the psychoacoustic model and coding these signals respectively to increase signal coding quality and efficiency.