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 Reproducing device having index search function and access method therefor

Details
Inventors: Nagano, Shuichi; Tomizawa, Kenji;
Assignee: Sony Corporation (Tokyo, JP)
Primary Examiner: Hindi; Nabil
Assistant Examiner:
Attorney, Agent or Firm: Frommer; William S., Sinderbrand; Alvin

A reproducing device which is capable of performing an index search on both a recording medium on which an index point to subdivide a program is beforehand recorded together with programs, and a recording medium on which no index point is beforehand recorded.

DETAILED DESCRIPTION The present invention has been implemented in view of the foregoing problems, and an object of the present invention is to enable a program having no index information to be subjected to the same operation as a normal index access, thereby improving usability.
In order to attain the above object, according to the present invention, a reproducing device for reproducing a recording medium on which plural programs and management information to manage the plural programs are recorded, includes a reproducer for reproducing the management information and the programs from the recording medium, a detector for detecting, on the basis of the management information reproduced in the reproducer, whether index information to further subdivide the programs are recorded on the recording medium, an index access operator for instructing an access to an index point on a desired program, a calculator for judging on the basis of a result from the detector whether index information exists in a program serving as an index access target when the index access operator is instructed, and setting an index point through a predetermined calculation processing when no index information exists in the program serving as the index access target, and a controller for performing control so as to access to the set index point.



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