Storage and retrieval of a data reduced digital video signal in/

Details Storage and retrieval of a data reduced digital video signal in/ Storage and retrieval of a data reduced digital video signal in/

1995-09-12

1998-08-25

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386111, H04N 5783

Patent

active

057991286

ABSTRACT:
Method and an arrangement for recording a data reduced digital video signal, the data reduced digital video signal including first signal blocks having data reduced video information obtained from video information of a picture that has been subjected to an intra-picture encoding step, and including second signal blocks having data reduced video information obtained from video information of a picture that has been subjected to an inter-picture encoding step. The data reduced video signal is recording in a number of tracks on the longitudinal record carrier (10). First signal blocks and the second signal blocks are separated from each other (2) and channel encoded (4,12). Channel encoded first signal blocks are written in at least one first track (T.sub.1), and channel encoded second signal blocks are written in at least one second track (T.sub.2). Further, in order to make the bit-rate of the signals written in the at least one first track and the at least one second track substantially constant, it may be needed to write second signal blocks in the at least one first track, or first signal blocks in the at least one second track.

REFERENCES:
patent: 4807053 (1989-02-01), Heijnemans
patent: 5140437 (1992-08-01), Yonemitsu et al.
patent: 5371602 (1994-12-01), Tsuboi et al.
patent: 5587805 (1996-12-01), Park

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