| 摘要 |
The invention provides a quality manager for use in a digital content delivery system. The digital content delivery system comprises a plurality of user devices, a source unit connected through a communication network to the user devices for delivering digital content to the user devices in the form of bursts of content. The quality manager is connected to the user devices and adapted to receive notifications therefrom, each notification received from a given user device identifying a burst received by the given user device and including a quality indicator related to the quality of the received burst. The quality manager is further adapted to select a set of bursts among the bursts identified by the notifications, based on predefined rules comprising a rule related to the quality indicator included in the notifications, and for sending a request for retransmission of the selected bursts to the source unit. |
