Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1996-10-09
1997-12-16
Chevalier, Robert
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386109, H04N 591, H04N 5917
Patent
active
056994737
ABSTRACT:
A digital videotape recording and reproducing method increases the error correction capability for normal reproduction data by using an ECC3 area allocated in an intercoded signal during an outer coding procedure. The recording method divides the data into normal and trick reproduction data, and allocates an ECC3 area in a predetermined position of a data sync block in which the normal reproduction data area is recorded, and includes the steps of: first outer-code error-correction coding of the normal reproduction data after replacing the trick reproduction data and the ECC3 area data with a predetermined data pattern, thereby generating and adding outer parity data; second outer-code error-correction coding of the normal reproduction data after replacing the trick reproduction data coded in the first outer-code error-correction coding step with another predetermined data pattern thereby generating and adding ECC3 error-correction information in the ECC3 area; inner-code error-correction coding of each of the normal and the trick reproduction data coded by the second outer-code error-correction coding step; and modulating the normal and trick reproduction data and ECC3 area data, coded by the inner-code error-correction coding step to record that data on a videotape.
REFERENCES:
patent: 5579183 (1996-11-01), Van Gestel et al.
patent: 5596581 (1997-01-01), Saeijs et al.
Chevalier Robert
Samsung Electronics Co,. Ltd.
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