Patent ID: 8014648
Filing Date: 2011-09-06
Classification: G11B

Abstract:
1. An information recording apparatus, comprising: recording means for recording a file and file system information on a recording medium; file system information generating means for generating the file system information for an application software program that uses the file; and operation control means for controlling the recording means to allocate the file system information to virtual addresses as one file, wherein, when the file is to be recorded by the recording means, the operation control means controls the recording means to extract, from the recording medium, previous file system information including previous file system information concerning files not managed by the application software program and previous file system information concerning files managed by the application software program, to make the previous file system information concerning the files managed by the application software program unreadable, to update the previous file system information concerning the files managed by the application software program based on the file, and to record the updated previous file system information concerning the files managed by the application software program on the recording medium, adjacent, in the virtual addresses, to a file used for playing back the file to be recorded.