Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1996-02-07
1996-11-12
Tran, Thai Q.
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
360 18, 360 48, H04N 585, H04N 576
Patent
active
055745679
ABSTRACT:
An optical disk containing PG-rated and R-rated versions of the same motion picture. To minimize redundant storage of data, three types of video data blocks are provided in the same track, in an interleaved fashion--A-type blocks which contain material unique to version A, B-type blocks which contain material unique to version B, and C-type blocks which contain material common to both. A series of codes and pointers included in each block allow play of all common blocks, play of all A or B blocks depending on which version has been selected, and skipping over of the blocks which contain data unique to the unselected version. Play of adult-rated versions are automatically prevented if a parental lock option in the player has been keyed on. The disk may contain special software for identifying multiple versions of the same material where the selection criterion is one other than a rating.
REFERENCES:
patent: 4930158 (1990-05-01), Vogel
patent: 5172111 (1992-12-01), Olivio, Jr.
patent: 5434678 (1995-07-01), Abecassis
Cookson Christopher J.
Lieberfarb Warren N.
Ostroyer Lewis S.
Time Warner Entertainment Co. L.P.
Tran Thai Q.
Truong Khoi
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