Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2007-05-29
2007-05-29
Stucker, Jeffrey (Department: 2112)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000
Reexamination Certificate
active
10130012
ABSTRACT:
A data recorder for a digital video disc includes a first-in, first-out buffer memory. The memory is responsive to an input data signal for sequentially storing in a first-in, first-out manner a running, data of Video Object Units (VOBU's), defined in the Digital Versatile Disc (DVD) Specification for Read Only Disc (the specification), prior to recording the data. In a first embodiment of the invention, the values of each address pointer of a first sub-set of address pointers contained in a field VOBU Search Information (VOBU_SRI), are established in accordance with the VOBU's contained in the buffer memory. The value of each address pointer of a second sub-set of the address pointers, associated with VOBU's positioned further behind, in a sequence of presentation, than each of the VOBU's contained in the memory is not made to conform to the Specification. Thereby, a storage capacity requirement from the buffer memory is reduced. In a second embodiment of the invention, the size of each Cell in the data format is constrained to only 59 VOBU's. The entries for each address pointer of the second sub-set, is made to contain a “does not exist” code.
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Rich Michael Dillon
Schultz Mark Alan
Xie Jianlei James
Chio Tat Chi
Laks Joseph J.
Levy Robert B.
Stucker Jeffrey
Thomson Licensing
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