Invention Grant
US5915067A Multimedia optical disc facilitating branch reproduction to parental lock sections using reduced control information and a reproducing device for said disc 失效
多媒体光盘促进使用减少的控制信息的父母锁定部分的分支再现以及用于所述盘的再现装置

Multimedia optical disc facilitating branch reproduction to parental
lock sections using reduced control information and a reproducing
device for said disc
Abstract:
A multimedia disc made up of a video data storage region and a management information storage region, the video data storage region storing a plurality of video data sequences, each video data sequence having a plurality of video segments of a reproduction period which are recorded in an interleaved manner with a plurality of audio samples, wherein a plurality of sub-pictures and a plurality of control procedures and one audio sample and one sub-picture are reproduced simultaneously with a video segment and wherein each control procedure indicates one video data sequence as a branch address which reflects an interactive operation of a reproduction device during reproduction of a current video data sequence, the management information storage region storing management information comprised of group information which shows which video data sequences have been grouped together to compose a group for which only one of the composing video data sequences is reproduced, a plurality of level identifiers, each of which is assigned exclusively to only one video data sequence in a same group and branch information which indicates, for an arbitrary video data sequence, a video data sequence to be reproduced after termination of reproduction of the arbitrary video data sequence.
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