Data stream multiplexing apparatus and method and record medium

Details Data stream multiplexing apparatus and method and record medium Data stream multiplexing apparatus and method and record medium

1996-05-31

1998-04-21

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386109, 348423, H04N 592, H04N 712, H04N 1102, H04N 1104

Patent

active

057427321

ABSTRACT:
A data stream multiplexing apparatus having a stream modifier for producing modified sub-picture data stream from a sub picture data stream where a first sub-picture data unit containing pixel data forming a sub-picture image with a preset display time period is located along a time axis by additionally locating at least one of second sub-picture data unit having almost same contents as the first sub-picture data unit within the display time period of the first sub-picture data unit on the sub-picture data stream, and a multiplexer responsive to input modified sub-picture data stream produced by the stream modifying means and other data streams reproduced in synchronous with the modified sub-picture data stream, for multiplexing these streams after packetizing them by a prescribed length.

REFERENCES:
patent: 4794465 (1988-12-01), Van Luyt et al.
patent: 5371602 (1994-12-01), Tsuboi et al.
patent: 5400077 (1995-03-01), Cookson et al.
patent: 5408474 (1995-04-01), Wakamori et al.
patent: 5455684 (1995-10-01), Fujinami et al.
patent: 5621840 (1997-04-01), Kawamura et al.

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