| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve ease of operation concerning video delivery control in a video delivery system which delivers taken videos to a plurality of display devices in real-time in accordance with a delivery tree. <P>SOLUTION: The video delivery apparatus, which delivers video data to a plurality of display devices in accordance with a delivery tree indicated by delivery tree data, has a function to adjust a video parameter according to a command received from a display device having a control right via a network. If the control right is transferred to another display device, the display device having the control right newly is used as a control node, and the delivery tree data is updated so that the delivery delay of video data between a route node and a control node may be reduced, thereby changing the delivery tree for delivering the video data. <P>COPYRIGHT: (C)2010,JPO&INPIT |
