Information recording method, format changing method, and...

Details Information recording method, format changing method, and... Information recording method, format changing method, and...

2005-09-06

2010-12-28

Atala, Jamie J (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000, C386S349000, C386S349000

Reexamination Certificate

active

07860374

ABSTRACT:
For recording AV data in accordance with the DVD-VR format on a DVD medium which already has AV data recorded thereon in accordance with the DVD-Video format, it was conventionally necessary to perform logical formatting of the DVD medium. The DVD-Video format and the DVD-VR format are compared regarding the sum of data sizes of a volume structure, a file structure and management information, and an area having a size corresponding to a larger sum is saved on a disc. While a program is being recorded in accordance with the DVD-Video format, VOBU information and real time data information are recorded. During the format change, the volume structure, the file structure and the management information of the DVD-VR format are recorded in the saved area. Navigation data information of each VOBU is rewritten with the real time data information.

REFERENCES:
patent: 5838872 (1998-11-01), Kawara
patent: 6532335 (2003-03-01), Otomo et al.
patent: 2004/0001402 (2004-01-01), Hora
patent: 2003-101927 (2003-04-01), None

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