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:
Feb. 25, 2003
Filed:
Sep. 15, 1999
Applicant:
Inventors:
Seiji Kobayashi, Yokohama, JP;
Dean D. Chen, Sunnyvale, CA (US);
Yoshiaki Ohshima, Tokyo-To, JP;
Shuichi Shimizu, Yokohama, JP;
Norishige Morimoto, Tokyo-To, JP;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 2/104 ;
U.S. Cl.
CPC ...
G10L 2/104 ;
Abstract
A method and a system is provided for embedding and detecting additional information, such as copyright information, in audio data, so that a modification in the sonic quality due to the embedding is imperceptible to human beings, and does not drastically deteriorate the sonic quality.