Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program for controlling recording or reproduction, and data structure including control signal

摘要

An information record medium contains a plurality of content informations and a plurality of play list sets each including a plurality of play list informations defining the reproduction sequence of the content informations. In addition, the information recording medium contains title information designating at least one play list set, which corresponds to the content informations to be reproduced, from among the plurality of play list sets to reproduce the plurality of content informations as a title, the title being a logical information unit of the plurality of content informations.