Files management method and storage information reproducing device and storage information recording medium

Abstract

A package management information recording section 131 creates and records on a recording medium 120 package management information for managing packages recorded on the recording medium 120. A content file recording section 132 records on the recording medium 120 content files of content file groups included in packages, and also creates and records on the recording medium 120 content file group management information for managing these content file groups. A content / metadata correspondence information recording section 133 creates and records on the recording medium 120 information on correspondence between content files and metadata files within a package or correspondence between a package itself and metadata files. By this means, the correspondence between content files and metadata files can always be maintained correctly when they are recorded separately.

Description

technical field [0001] The present invention relates to a file management method for managing a content file (contents file) and its metadata file (meta data file) stored on a recording medium while maintaining a corresponding relationship, and a content recording / recording method for implementing the file management method A device and a recording medium recording the file management method. Background technique [0002] In recent years, there has been an increasing demand for digital storage information signal distribution services utilizing communications and broadcasting. [0003] For example, download a news report in a mobile phone every morning, record it in a recording medium connected to this portable phone, and in other devices such as a TV, a portable display, and a portable electronic notebook, connect it to record media news at any time. Reported news reporting signal deployment business. [0004] There is also an electronic book business in which a novel is d...

AI Technical Summary

Problems solved by technology

[0015] For this reason, in the conventional method of recording metadata, in the method of recording storage information and metadata in separate files, when recording the storage signal file and its metadata file allocated by the signal on the recording medium of the receiving signal device, If individual file names are assigned to these files on the signal receiving side, their corresponding relationship cannot be explained due to the file names at the time of signal deployment

[0016] In addition, in the method of recording metadata as a part of the content file, the above-mentioned inappropriate situation does not occur, and the metadata is only metadata related to a set of a plurality of content files corresponding to each content file. , or metadata about the entire program package, metadata about the entire business, etc., it is difficult to softly describe metadata at each level

[0017] In addition, even when only metadata is used for processing such as retrieval, classification, and list display, since it is necessary to obtain the contents of each stored information file, problems are likely to occur in terms of processing efficiency.

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