An optical disc on which a variety of types of video titles are recorded
and which enables a reproduction apparatus to instantly distinguish
whether emulated AV functions may be performed for any of the titles. The
optical disc includes a manager area which stores playback type
information corresponding to the management information for each video
title, with the playback type information including a first flag showing
whether the present video title is expressed using one or a plurality of
sets of route information and a second flag showing whether a title is
expressed using any branch information.