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. 15, 2008
Filed:
May. 20, 2004
Applicants:
Shuhua Xiang, Fremont, CA (US);
Hongjun Yuan, San Jose, CA (US);
Inventors:
Shuhua Xiang, Fremont, CA (US);
Hongjun Yuan, San Jose, CA (US);
Assignee:
Micronas USA, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/475 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method embed an audio signature in a video frame. An audio signature is generated from one bit a buffer input data. Two registers store an audio signature and reference count. According to an embodiment, the audio signature is generated left/right (L/R) interleaved with the left channel data in the most significant bit (MSB).