Patent ID: 6400667
Filing Date: 2002-06-04
Classification: G11B

Abstract:
A reproduction apparatus for playing back a recording medium, on which one or a plurality of main data to be reproduced continuously with respect to time, main management data to be used for management of recorded positions of the main data, one or a plurality of sub data, and sub management data to be used for management of recorded positions and reproduction operation definitions of the sub data are recorded, based on the main management data to intermittently perform reading of the main data from the recording medium, comprising:main data storage means for temporarily storing the main data read from the recording medium; and control means for intermittently reading the main data from the recording medium based on the main management data and storing the main data into said main data storage means, and for reading the sub data from the recording medium based on the sub management data within a period within which the reading of the main data is not performed and reproducing the sub data in a synchronized or non-synchronized relationship with the reproduction of the main data based on the reproduction operation definitions of the sub data managed with the sub management data.