| 摘要 |
<p>A video system (700) comprises a first control input (702) for selecting content to be rendered, an output (704) for providing a video signal for rendering on a display, a controller (706) for including the selected content into the video signal, and means (708) for including first additional content in the video signal in addition to the selected content, the first additional content being different from the selected content and representing second additional content relating to the first additional content. The system 700 also comprises a second control input (710) for selecting the second additional content to be rendered, and means (712) for including the second additional content in the video signal upon receiving a selection by the user of the second additional content. A server system (750) is also provided.</p> |
