Patent ID: 6292625
Filing Date: 2001-09-18
Classification: G11B,H04N

Abstract:
An information recording disk used for recording and playing back an audio/video (AV) file and a non-AV file by a recording/reproducing apparatus comprising:a volume space capable of recording the audio/video (AV) file and the non-AV file, defect management for the non-AV file based on a first defect management method in which, when a defective sector is detected, an Error Correcting Code (ECC) block including the defective sector is replaced with another ECC block, and defect management for the AV file based on a second defect management method which is different from the first defect management method,the volume space wherein file management information for managing a file, which is either the AV file or the non-AV file, is capable of being allocated to an area in the volume space, the file management information including attribute information indicating whether the file is the AV file or the non-AV file,the volume space wherein the AV file is capable of being allocated to at least one recording area in the volume space, such that the at least one recording area is an area of continuous sectors of at least one ECC block, andwhen the attribute information indicates that the file is the AV file, the file management information further includes at least one first location information, second location information, at least one first identification information and second identification information,the at least one first location information specifying the location of an AV extent which is an area of continuous sectors of AV data in the at least one recording area,the second location information specifying the location of a padding extent which is an area of continuous sectors in the at least one recording area, the padding extent being an area from an end of the AV extent to a boundary of an ECC block,the at least one first identification information indicating an AV extent, andthe second identification information indicating a padding extent.