Method for recording or reproduction of sub-picture data...

Details Method for recording or reproduction of sub-picture data... Method for recording or reproduction of sub-picture data...

2007-11-27

2007-11-27

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

10468560

ABSTRACT:
According to the invention sub-picture data are organized in sub-picture units, the sub-picture units comprising pixel data in a pixel data area as well as display control data and/or address information data, wherein a sub-picture unit of a second sub-picture stream is inserted into the pixel data area of a sub-picture unit of a first sub-picture stream. This permits several sub-picture streams for systems, which are defined to allow only a single sub-picture stream. Especially for DVD-VR conflicts with the already existing DVD-VR specification are avoided. Therefore, enhanced DVD-VR devices using the invention are able to record and playback additional sub-picture streams and conventional DVD-VR devices are able to record and playback the same signal without any compatibility problems, although restricted to only a single sub-picture stream.

REFERENCES:
patent: 6031963 (2000-02-01), Kitamura et al.
patent: 6219043 (2001-04-01), Yogeshwar et al.
patent: 6625388 (2003-09-01), Winter et al.
patent: 2003/0133698 (2003-07-01), Winter
patent: 875893 (1998-11-01), None
patent: 961504 (1999-12-01), None

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