Patent ID: 6031962
Filing Date: 2000-02-29
Classification: G11B,H04N

Abstract:
An optical recording medium for storing information to be reproduced using an information reproduction apparatus including reading means for optically reading an information track on the optical recording medium and reproducing means for reproducing information from a signal obtained by the reading means, the optical recording medium comprising:a plurality of data groups;a plurality of interleaved units, the interleaved units which belong to different ones of the data groups being recorded in an interleaved manner;a plurality of data group units, each of the interleaved units comprising at least one of the data group units, wherein each of the plurality of data group units includes navigation information and at least one of video information and audio information; andreproduction control information for controlling presentation of the data groups, the reproduction control information being recorded at a location separate from the data group units and including first identification information identifying a specific one of the data groups,wherein the navigation information of each of the plurality of the data group units includes second identification information for identifying the data group to which the data group unit including that navigation information belongs.