Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2004-07-09
2008-08-19
Tran, Thai (Department: 2621)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000
Reexamination Certificate
active
07415192
ABSTRACT:
An AV Clip generated by multiplexing a video stream and a graphics stream is recorded on a BD-ROM. The graphics stream includes a plurality of DSs (Display Sets) each of which is used for graphics display and includes a control segment and graphics data. When an active period of the control segment in the DS overlaps with an active period of a control segment in an immediately preceding DS on a reproduction time axis of the video stream, the graphics data in the DS is assigned a different object_id from graphics data which is referenced by the control segment in the immediately preceding DS, so as to prevent graphics generated by decoding the graphics data in the DS from overwriting graphics generated by decoding the graphics data referenced by the control segment in the immediately preceding DS.
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McCrossan Joseph
Okada Tomoyuki
Dang Hung Q
Matsushita Electric - Industrial Co., Ltd.
Tran Thai
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