INFORMATION RECORDING MEDIUM, INFORMATION RECORDING DEVICE AND METHOD, INFORMATION REPRODUCTION DEVICE AND METHOD, INFORMATION RECORDING/REPRODUCTION DEVICE AND METHOD, RECORDING OR REPRODUCTION CONTROL COMPUTER PROGRAM, AND DATA STRUCTURE CONTAINING CONTROL SIGNAL
摘要
<p>An information recording medium contains video information indicating main video and a sub-video information set. The sub-video information set includes (i) sub-video information indicating a sub-video which can be displayed at least partially over the main video and (ii) header information including button information defining a button video portion added to the sub-video information and functioning as a button in the sub-video and highlight information defining the way of highlight display control for the button video portion.</p>
