Method and apparatus for restoring sync data in a digital video

Details Method and apparatus for restoring sync data in a digital video Method and apparatus for restoring sync data in a digital video

1997-07-10

1999-08-31

Nguyen, Huy

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 84, H04N 5781

Patent

active

059464437

ABSTRACT:
A sync data restoring method and apparatus restores data recorded on a digital video disc (DVD) despite damaged sync data in a digital video disc playback system. The method and apparatus determines whether sync data is normal or not using a window signal and substitutes quasi sync data for abnormal sync data when sync data is abnormal in the DVD playback system, to enable accurate reproduction of data despite damaged sync data in a DVD playback system.

REFERENCES:
patent: 4791622 (1988-12-01), Clay et al.
patent: 5446715 (1995-08-01), Satomura
patent: 5696867 (1997-12-01), Lee
patent: 5712741 (1998-01-01), Lee

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