DATA RECORDING MEDIUM, DATA RECORDING DEVICE AND METHOD, DATA PLAYBACK DEVICE AND METHOD, DATA RECORDING/PLAYBACK DEVICE AND METHOD, RECORDING OR PLAYBACK MANAGEMENT COMPUTER PROGRAM, AND DATA STRUCTURE COMPRISING CONTROL SIGNAL

摘要

FIELD: physics, computer engineering. ^ SUBSTANCE: invention relates to computer engineering and can be used for data recording or playback using a recording medium. The data playback device has a playback link for playing back content information, button information and playlist information, a generating link for generating a button menu based on the said button information, in indicating link for indicating one button page from several button pages, a control link for controlling the said generating link in order to generate a button menu formed by the said one button page, buffer memory for storing the generated button menu. ^ EFFECT: reduced load on the playback device processor. ^ 24 cl, 40 dwg