Patent ID: 6571309
Filing Date: 2003-05-27
Classification: G11B

Abstract:
An information storage medium, comprising:an AV file recording area for recording an AV file having a file body and a file tail, wherein the file body includes a plurality of extents that together continuously store audio data or video data, the file tail includes an unrecorded area allocated in the AV file, and the AV file is recorded by using: (i) an application layer or a video recording layer, (ii) a layer for a file system, (iii) an optical disk drive layer or a physical layer, wherein the application layer, or the video recording layer, the layer for the file system, and the optical disk drive layer or the physical layer are provided for controlling information recording, the application layer or the video recording layer use an AV address for the AV file, the file system uses a logical sector number (LSN) or a logical block number (LBN), and the optical disk drive layer or the physical disk drive layer use a physical sector number (PSN) or the logical sector number (LSN), and (iv) an association of the AV address, the logical block number (LBN), the logical sector number (LSN), and the physical sector number (PSN), wherein the AV file is distributed to each of the extents designated by the logical block number (LBN), and a start of the AV file is assigned logical block number â€œ0â€ , and a file management recording area for recording the file management information for managing at least the AV file and information on an information length that indicates a sum of sizes of the extents in the file body, wherein the file management information includes file entry information, the file entry information includes Information Control Block (ICB) Tag information, and the ICB Tag information includes file type information.