Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1995-06-05
1997-11-11
Chevalier, Robert
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386 67, H04N 591
Patent
active
056872755
ABSTRACT:
Methods of operating a digital video recording and playback device to identify trick play data, e.g., data that is intended for use during trick play modes of video playback device operation such as fast forward and reverse, by recording headers containing specific trick play information along with the trick play data are described. In one embodiment, the recording of headers which identify data as data intended for use during trick play as opposed to normal play operation is described. In addition to identifying data recorded data as normal play or trick play data headers associated with recorded data may identify the speed and direction of video tape recorder operation during which the specific data associated with the header is intended to be displayed at. When a data block includes data packets, a header may be used to identify various ones of the data packets as being for use during one mode of trick play operation, e.g., a first fast forward speed of operation, and other packets in the same data block as being for use during a second mode of trick play operation.
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Augenbraun Joseph Ellis
Boyce Jill MacDonald
Fuhrer Jack Selig
Henderson John Goodchilde Norie
Lane Frank Anton
Chevalier Robert
Hitachi , Ltd.
Hitachi America Ltd.
Michaelson Peter L.
Straub Michael P.
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