Patent ID: 7600260
Filing Date: 2009-10-06
Classification: G06F,G11B

Abstract:
1. An information recording medium comprising: a first recording area for recording first audio information and first management information for managing the first audio information; and a second recording area for recording second audio information and second management information for managing the second audio information, the second audio information having a same content as, and different attribute than, the first audio information, wherein: the first management information specifies the first audio information using a group number and a track number, the second management information specifies the second audio information using an identification number, the second management information includes link information which indicates that the first audio information and the second audio information are related to each other, and the link information includes the group number and the track number for specifying the first audio information, the link information further includes the identification number specifying the second audio information, and the link information is configured such that the link information can be searched based on the inclusion of the group number and the track number to obtain the second audio information as specified from the identification number of the second audio information indicated by the link information found by the search.