Patent ID: 7952971
Filing Date: 2011-05-31
Classification: G11B,H04N

Abstract:
1. A reproduction method for an information recording disk having a volume space in which a file and a file management information for managing the file are recorded, wherein: the file recorded in the volume space is either an audio/video (AV) file or a non-AV file; defect management for the non-AV file is 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; defect management for the AV file is based on a second defective management method which is different from the first defective management method; the AV file is 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; the file management information includes attribute information indicating whether the file recorded in the volume space is the AV file of the non-AV file; the reproduction method comprises the steps of: