Patent ID: 6389221
Filing Date: 2002-05-14
Classification: G09B,G11B,H04N

Abstract:
A system for reproducing data comprising:a machine-readable recording medium comprising: a data area for storing a plurality of objects, the objects including moving picture data, sub-picture data and control data to be effective within a time period in which the corresponding moving picture data is reproducible, the sub-picture data including a menu image having a plurality of items for display; and the control data stores control information including item control data for responding to a user's operation applied onto the menu image and auxiliary control data for substituting for the user's operation onto the menu image, wherein the item control data includes a selection color for coloring one of the items in a selected state, an activation color for coloring one of the items in an activated state, and a command for each item, the command being executed when the item is placed into an activated state and the auxiliary control data includes automatic activation item information; and that indicates, for each of the plurality of items, whether or item, when selected by a user's operation, should be forcedly placed into an activated state without the user's operation placing the selected item into the activated state; and a reproduction apparatus for reproducing data from the machine-readable recording medium comprising: an input for inputting the data; a reproduction unit for reproducing the moving picture data and sub-picture data inputted by the input unit and outputting the moving picture data and sub-picture data as a video signal for display; a reception unit for receiving a user's operation applied onto the menu image that has been displayed; and a control unit for responding to the user's operation according to the item control data and for substituting for the user's operation according to the auxiliary control data.