Patent ID: 6754649
Filing Date: 2004-06-22
Classification: G11B,H04N,Y10S

Abstract:
A data obtaining apparatus for retrieving a desired data file from a storage unit storing a plurality of data files and address information indicating a path of each data file, the address information of each data file being denoted as a numerical value derived from a given partial notation of a name of the path, and a data size of the numerical value being smaller than a data size of a character string of the path name denoting the same address information, the data obtaining apparatus comprising:a conversion unit operable to designate, from among the numerical values held in the storage unit, a numerical value corresponding to a data file to be retrieved, and operable to generate a character string for a path name, by performing a given operation to combine a given character string with a character string converted from the designated numerical value; and a reproduction unit operable to, if is a data file with the path name generated by the conversion unit is in the storage unit, retrieve the data file.