Patent ID: 6609175
Filing Date: 2003-08-19
Classification: G11B

Abstract:
An information storing medium for recording AV data, comprising:a lead-in area and a lead-out area; and a data area provided between the lead-in area and the lead-out area, the data area being configured to store volume descriptor sequence information, file structure information, an AV file including AV data, and a control information file for managing the AV data, wherein, the lead-in area, the data area, and the lead-out area are allocated with physical sector numbers, and, in addition, the data area is allocated with logical sector numbers, the volume descriptor sequence information, the file structure information, the AV file, and the control information are managed by logical sector numbers, and, in addition, the file structure information, the AV file, and the control information are managed by logical block numbers, an application layer, a file system layer, and a physical layer are defined, the application layer uses AV addresses for the AV data, the file system layer uses the logical block numbers or the logical sector numbers, and the physical layer uses the physical sector numbers or the logical sector numbers, the AV addresses are associated with the logical block numbers, the logical block numbers are associated with the logical sector numbers, and the logical sector numbers are associated with the physical sector numbers, the AV file includes extents where the AV data is to be distributed and recorded, the AV file contains at least one video object including the AV data, and the control information in the control information file manages the AV data by using the AV addresses, and contains video object information including AV addresses which are respectively assigned as beginning addresses of the video objects.