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:
Oct. 26, 2004
Filed:
Nov. 15, 2000
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/91 ;
U.S. Cl.
CPC ...
H04N 5/91 ;
Abstract
A number of outer parities to be added to an audio data is changed responsive to a ratio of frame frequencies of a video signal (e.g. 24 Hz or 30 Hz) before the data is recorded. Comparing with a first format, a recording bit rate is increased in a second format. Audio 4 channels (audio sectors ) are additionally recorded maintaining a video data format (video sectors ) of the first format and an audio data format (audio sectors ) of the first format.