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:
Jul. 29, 2003
Filed:
Jan. 18, 2001
Eiji Tsuboi, Tokyo, JP;
NEC Electronics Corporation, Kanagawa, JP;
Abstract
An MPEG decoding device is designed to decode multiple packetized elementary streams (PES) representing video signals and/or audio signals, which are bit streams compressed by the MPEG system in satellite digital broadcasting, for example. Herein, the multiple packetized elementary streams are stored in plural code buffers respectively. A selector selects one of the packetized elementary streams by a time division system, so that a PES decoder separates the selected packetized elementary stream to a PES header and an elementary stream. A time information holder holds time information being extracted from the PES header. An MPEG decoder decodes the elementary stream with reference to the time information. Namely, the MPEG decoder decodes pictures of the elementary stream in a decode order in connection with the time information, then, decoded pictures are rearranged and output in a display order. Because of provision of a single set of the PES decoder, time information holder and MPEG decoder with respect to processing of multiple packetized elementary streams, it is possible to reduce a circuit configuration of the MPEG decoding device in scale, and it is also possible to provide easy management on relationships between pictures and time information.