Method data recorder for recording data packet timestamps

Details Method data recorder for recording data packet timestamps Method data recorder for recording data packet timestamps

2001-09-03

2009-12-15

Tran, Thai (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

07634174

ABSTRACT:
DVD Rewritable/Re-recordable discs will be used for recording and playing back digital bitstreams, for example MPEG data packets. To enable proper real-time playback of stored MPEG transport packets, a time information is to be added to every data packet to be recorded. A DVD streamer is connected to the application device via an interface, e.g. IEEE 1394. The interface internally uses timestamps having a special format. According to the invention, such interface-generated timestamps are also used for the DVD stream recording, instead of additionally generated independent streamer-specific timestamps. However, a timestamp format conversion is to be carried out because the DVD Streamer timestamp format is different from the IEEE 1394 timestamp format. For such timestamp format conversion differences between consecutive IEEE 1394 timestamps are determined and are used for calculating the DVD stream recording timestamps.

REFERENCES:
patent: 6108486 (2000-08-01), Sawabe et al.
patent: 6320825 (2001-11-01), Bruekers et al.
patent: 7079753 (2006-07-01), Ando et al.
patent: 7197234 (2007-03-01), Chatterton
patent: 7424209 (2008-09-01), Mazur
patent: 7496283 (2009-02-01), Evans et al.
patent: 2004/0101273 (2004-05-01), Winter et al.
patent: 986 248 (2000-03-01), None

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