FIELD: information technologies.
SUBSTANCE: player, in which interactive disk is installed, obtains access to server, which provides additional content in the form of audio/video data recorded on interactive disk prior to reproduction of interactive disk, and obtains updated information of additional content from server; addresses to obtained updated information and decides, whether arbitrary file contained in additional content list related to audio/video data has been updated; requests initial file contained in list or updated file, specified in updated information, and obtains requested initial or updated file.
EFFECT: expansion of functional resources.
19 cl, 5 dwg
