Video data recording and reproducing apparatus and method of sam

Details Video data recording and reproducing apparatus and method of sam Video data recording and reproducing apparatus and method of sam

1997-05-22

2000-05-30

Chevalier, Robert

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386109, H04N 592, H04N 576

Patent

active

060699957

ABSTRACT:
A video data recording and reproducing apparatus with which the quality of the video is not lowered even if the compressed video data is recorded in an overlapped manner without accurate matching of boundaries of the GOP's, wherein a recording position control unit controls a recording system so that the recording start position is made earlier by exactly an amount of one GOP where the recording start position of the top data is recorded from the position immediately before the recording start GOP of the bottom data, the recording end position is made later by exactly the amount of one GOP where the recording of the recording end position of the top data in ended at the position immediately before the recording end GOP of the bottom data, and the recording start position is made later by exactly the amount of one GOP where the recording of the recording end position of the top data is ended at the position two GOP's before the recording start GOP of the bottom data. Further, the recording position control unit controls the input data switching unit and records the video data reproduced in advance in the part at which the recording position is altered as it is.

REFERENCES:
patent: 5418658 (1995-05-01), Kwon

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