| 摘要 |
<p>An interactive audiovisual tutorial system in which a video program is executed with information to be displayed being transmitted from the video program to a display. Execution of the video program is controlled by a user input, including selection keys. Data storage correlates predefined segments of information with their location in the video program, the segments being broken down into chapters of information which are further subdivided into topics which, in turn, are further subdivided into concepts. The video program is accessed so as to enable selection of the chapters of information by use of predefined chapter selection keys and to enable selection of the topics within the chapter of information by use of predefined topic selection keys. In the preferred embodiment, the concepts of the video program may be sequentially accessed within the topic in forward or backward directions.</p> |
