Optical disc for recording high resolution and normal image,...

Details Optical disc for recording high resolution and normal image,... Optical disc for recording high resolution and normal image,...

2005-08-02

2005-08-02

Boccio, Vincent (Department: 2616)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000

Reexamination Certificate

active

06925250

ABSTRACT:
The present invention has an objective of realizing compatibility of an optical disk having a high resolution video signal recorded thereon and a system for reproducing the optical disk, with a conventional system for producing a standard resolution video signal. A high resolution-video signal is divided by video division means into a main signal and a sub signal, and the main signal and the sub signal are MPEG-encoded. The stream of the main signal and the stream of the sub signal are divided into 1 GOP or more of frames. First interleave blocks54each including 1 GOP or more of the stream of the main signal and second interleave blocks55each including 1 GOP or more of the stream of the sub signal are recorded on an optical disk1. A high resolution reproduction apparatus reproduces both the first and second interleave blocks to obtain a high resolution video output. A non-high quality picture reproduction apparatus reproduces only the first or second interleave blocks to obtain a standard resolution video output.

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Translation of the International Preliminary Examination Report for International Application No. PCT/JP98/03873, dated Apr. 19, 2000.

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