Apparatus for decoding edited coded data

Details Apparatus for decoding edited coded data Apparatus for decoding edited coded data

1993-09-29

1997-05-20

Tran, Thai G.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386109, 386112, H04N 576, H04N 593, G11B 2702

Patent

active

056317425

ABSTRACT:
An apparatus for decoding edited coded data for video signals where the decoding apparatus is capable of preventing a disturbance of a video image at the editing point. During editing of video signals, an edit header is added before and after the editing point, indicating a valid data portion and an invalid data portion on the video signal. A data start/end detector detects when an invalid data portion occurs on a coded video signal. The decoder decodes the video signal according to the edit header, but inhibits decoding of the invalid data portion such that decoding begins again at the next valid data portion. By inhibiting the decoding of unnecessary data corresponding to the invalid data portions, disturbance of the video image is prevented at the editing point.

REFERENCES:
patent: 3573728 (1971-04-01), Kolankowsky
patent: 5040067 (1991-08-01), Yamazaki
patent: 5253257 (1993-10-01), Murakami
patent: 5262877 (1993-11-01), Otsuka
patent: 5386323 (1995-01-01), Ishiwata et al.
patent: 5392129 (1995-02-01), Ohtaka et al.

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