Decoder

Details Decoder Decoder

2007-04-24

2007-04-24

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000, C386S349000, C386S349000, C386S349000, C386S349000, C386S349000

Reexamination Certificate

active

10444100

ABSTRACT:
A decoder having improved accuracy for reading data. The decoder decodes reproduced data including preamble data, to which a first synchronization pattern is added, and information data, which follows the preamble data and to which a second synchronization pattern is added. The decoder includes a memory for storing a first, second, and third comparison patterns respectively corresponding to the first synchronization pattern, the preamble data, and the second synchronization pattern. A comparison circuit compares the first synchronization pattern, the preamble data, and the second synchronization pattern respectively with the corresponding comparison patterns. A determination circuit generates a start signal to start decoding when at least two of the first synchronization pattern, the preamble data, and the second synchronization pattern match the corresponding comparison pattern. A decoding circuit starts error correction of the reproduced data in response to the start signal.

REFERENCES:
patent: 5604723 (1997-02-01), Kikuta
patent: 6263469 (2001-07-01), Jang
patent: 6414920 (2002-07-01), Lee
patent: 6708299 (2004-03-01), Xie
patent: 6879771 (2005-04-01), Yoshida et al.
patent: 7035182 (2006-04-01), Noro et al.

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