Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reissue Patent
2004-07-01
2010-02-16
Tran, Thai (Department: 2621)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000, C386S349000, C386S349000, C386S349000
Reissue Patent
active
RE041125
ABSTRACT:
An apparatus and method for controlling recording and reproduction in a video cassette tape recorder are disclosedinsert-start id="INS-S-00001" date="20100216" ?. Theinsert-end id="INS-S-00001" ?apparatus is capable of, in a recording mode, separating specific data for speed-varied reproduction from compressed digital video signals, recording them on designated tracks, recording position information of the designated tracks on a control track by an index head or recording position information of recording position-synchronized blocks at the starting portions of the designated tracks recorded with the specific data, and in a speed-varied reproduction mode, controlling a capstan servo speed so as to maintain the travel of a magnetic tape at a normal speed and periodically or non-periodically accelerate or decelerate it where specific data for varied-speed have been recorded periodically or non-periodically on predetermined portions of tracks, thereby making heads travel repeatedly at the normal speed and the high speed and thereby detect continuously the specific tracks for varied-speed. A repeatability of reproduced video at a varied speed is obtained without any deterioration in picture quality, because of recording of the specific data for speed-varied reproduction and the continuous detection of the specific data in the speed-varied reproduction.
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Kim Soo Kyung
Lee Je Hyung
Woo Sang Joon
Yang Tae Seok
Birch & Stewart Kolasch & Birch, LLP
Jones Heather R
LG Electronics Inc.
Tran Thai
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