Patent ID: 8161021
Filing Date: 2012-04-17
Classification: G11B,H04N

Abstract:
1. A recording apparatus for recording desired files on a recording medium, comprising: index file generation means for generating an index file of the files recorded on the recording medium in the form of a series of entries each in the form of a block of extract information relating to and coordinated with one of the files; said index file generation means registering information regarding decoding of the files into corresponding ones of the entries, the index file generation means further registering parent entry information regarding a parent entry of each entry in the index file, wherein the index file generation means allocates a unique code to each entry, wherein the index file includes a plurality of tracks for indexing the series of entries, and the plurality of tracks include a property track, a text track, and a thumbnail track, and the plurality of tracks uses the unique code to index the series of entries, when the index file includes a predetermined number of property flags for each entry, the predetermined number of property flags including a first flag to identify whether the entry represents a folder, a second flag to identify whether the entry is a favorite entry set by a user, a third flag to identify whether the entry is valid set in accordance with a deletion of the file associated with the entry, and a fourth flag to identify whether the tile associated with the entry refers to another file, wherein the property track includes a header portion having a first fixed length, a basic property portion having a second fixed length, and a property extension portion having a variable length, and wherein the parent entry represents a folder which a file associated with a child entry belongs to.