Method and apparatus for preliminary erasing parts of a...

Details Method and apparatus for preliminary erasing parts of a... Method and apparatus for preliminary erasing parts of a...

2008-01-22

2008-01-22

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000, C360S060000

Reexamination Certificate

active

07321720

ABSTRACT:
DVD Stream Recording allows to recover or permanently erase on-the-fly preliminarily erased cells on the disc. In case of very low-bitrate stream recording there could be less than one application packet and therefore timestamp per Stream Object Unit. In such situation, stuffing is necessary in order to guarantee the proper functioning of the Mapping List data retrieval. To make on-the-fly preliminarily erasure, complete recovery or permanent erase possible even for stuffing data packets located at cell boundaries, to two special timestamps defining a preliminarily erased cell and two other timestamps defining the location of a normal cell a different meaning is assigned under specific circumstances.

REFERENCES:
patent: 2001/0014058 (2001-08-01), Ando et al.
patent: 1021048 (2000-07-01), None

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