An optical disc in which video titles to be subjected to an audio / video function and video titles not to be recorded are recorded and their differences can be instantly recognized,

摘要

It is an optical disc capable of discriminating the emulation AV function at an instant even if each of the plurality of video titles contained in the optical disc has its own form.;The manager area of the optical disc is provided with a first flag indicating whether the video title is represented by single path information or a plurality of path information corresponding to the management information of each video title, And a second flag indicating whether or not the information is expressed using the branch information by the value.