| 摘要 |
<p>Record carrier, apparatus and method for playing back a record carrier, method of manufacturing a record carrier. On a record carrier (1) of the invention on which is recorded at least a first stream of data (2) representing a video item, a second stream of data (3) representing a graphics item, a control program (4) for controlling interactive playback of said items. The program (4) has a first (130) and a second program portion (140). The first program portion (130) comprises primary data (130.1), relating to shape properties of a graphics object. The second program portion (140) is to be executed after the first program portion in case of compliance of user input with a predetermined condition specified in the program, which second program portion (140) specifies a visual feedback in response to the user input, that the second program portion (140) comprises secondary data (151-156), relating to at least an additional visual property of the graphics object. The invention also pertains to an apparatus and a method for playing back a record carrier and a method for manufacturing the record carrier.</p> |
