Patent ID: 6873789
Filing Date: 2005-03-29
Classification: G06F,G11B,H04N

Abstract:
1. An AV data recording apparatus, comprising: a recording/reproducing section for recording AV data onto a disk and reproducing the recorded AV data; and a system control section for controlling a method of recording/reproducing AV data, wherein the apparatus has extent management information for managing continuous blocks on the disk as an extent, the apparatus has file management information for managing a group of the extents as a file, the apparatus has directory information for managing a group of the files as a directory, an area in a user area is kept as a reservation extent for recording at least any one of the directory information, the file management information, a part of the file, and a whole of the file, and information concerning the position and capacity of the reservation extent is recorded previously on the disk, the information concerning the reservation extent being different from said any one of the director information, the file management information, the part of the file or the whole of the file.