Optical disc for which a sub-picture can be favorably superimpos

Details Optical disc for which a sub-picture can be favorably superimpos Optical disc for which a sub-picture can be favorably superimpos

1997-05-08

1999-05-25

Garber, Wendy

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386125, 386126, 369 47, H04N 591, H04N 708

Patent

active

059076593

ABSTRACT:
A multimedia optical disc for recording main video data which is composed of sets of frame data that is processed beforehand to enable display at an aspect ratio specified out of a plurality of aspect ratios. The disc has a stream area storing streams made up of the main video data and a plurality of sets of sub-picture data, with each set of sub-picture data including a set of tel-op data and a set of coordinate information showing a display position of the set of tel-op data. The disc also includes a control area storing a plurality of pairings of a set of display mode information and a set of sub-picture indicating information. Each set of display mode information shows a species of display method according to which the frame data is to be processed for a case when the frame data decoded from the main video data is displayed at one of the plurality of aspect ratios. Each set of sub-picture indicating information shows a set of sub-picture data, out of the plurality of sets of sub-picture data in a same stream as the main video data, which includes a set of coordinate information which coincides with the species of display method shown by the display mode information.

REFERENCES:
patent: 4914523 (1990-04-01), Maruta
patent: 5598276 (1997-01-01), Cookson et al.
patent: 5630006 (1997-05-01), Hirayama et al.
patent: 5652824 (1997-07-01), Hirayama et al.
patent: 5655052 (1997-08-01), Nakai et al.
patent: 5721720 (1998-02-01), Kikuchi et al.

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