Patent ID: 7783685
Filing Date: 2010-08-24
Classification: G11B,H04N

Abstract:
1. An information recording apparatus comprising: a recording section configured to record files to a storage medium according to a Universal Disc Format (UDF) that includes files in group management and files not in group management; an arranging section configured to allocate each of said files in group management into one of predetermined groups based on an attribute of each of said files in group management so as to establish an allocation of said files in group management on said storage medium, wherein the arranging section is further configured to allocate each of said files in group management into one of the predetermined groups based on a frequency of use or update of said files, and a maximum total size of files constituting a group, and the files not in group management are not allocated to any of the predetermined groups and include AV stream files; and a controlling section configured to control said recording section so as to set up a first partition and a second partition on said storage medium, the first partition corresponding to a first portion of the storage medium and the second partition corresponding to a second portion of the storage medium, record to the first partition each of said files in group management including the attribute corresponding to the one of the predetermined groups and allocated to the corresponding one of the predetermined groups, and record to the second partition each of said files not in group management, and to record concurrently allocation information reflecting said allocation to a predetermined location on said storage medium.