Apparatus of digitally recording and reproducing video signals

Details Apparatus of digitally recording and reproducing video signals Apparatus of digitally recording and reproducing video signals

1995-01-24

1996-11-12

Tran, Thai Q.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

360 101, 386112, H04N 576, H04N 578

Patent

active

055745660

ABSTRACT:
In an apparatus of digitally recording and reproducing video signals, when video signal data in one image frame is divided into a multiple-number of parts (N-parts) by dividing the image frame into N-divided rectangular regions and the N-parts of data are recorded on respective N tracks, each rectangular region is divided into blocks each having a multiple number of pixels and the thus generated blocks is subjected to a bit reduction coding operation. In recording the blocks, each of blocks are recorded onto a corresponding track in such a sequence that the blocks are scanned in a reciprocating manner along short-side directions of the rectangular region on the image frame. When the data is reproduced in a varied speed playback mode, the data are modified by every short-side row of blocks to thereby provide a high-quality playback picture at the varied speed.

REFERENCES:
patent: 5335117 (1994-08-01), Park et al.
patent: 5479264 (1995-12-01), Ueda et al.

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