Information record medium on which audio information differing in recording methods are recorded and apparatus for reproducing the same

摘要

An information record medium (1) is provided with: an audio information recording area on which a plurality of audio information (210) which are different in recording method are recorded; and a control information recording area on which control information (211) required to reproduce the plurality of audio information recorded on the audio information recording area is recorded. The control information recorded on the control information recording area includes identification information indicating that the plurality of audio information are same in content and different in recording method with each other. The control information may include a plurality of first division information for identifying first division units (260) respectively so as to divide each of the plurality of audio information recorded on the audio information recording area by the first division units respectively. The first division information, which indicates that the audio information divided by the first division units belongs to a same first division unit, may be provided as the identification information for each of the plurality of audio information same in content and different in recording method.