| 摘要 |
<p>Multimedia conferencing systems (100) are provided and include a plurality o f audio/video terminals (112a-112c) which are coupled together via a telecommunications network (120), with the network including switches (140) and an audio bridge (130). The audio/video terminals (112a-112c) are provided with interface modules (114x-114c) which receive local audio and video signals, process the signals, and provide separate streams of properly formatted audio data and video data to the network (120). The video data is switched in the preferably ATM network (120) (i.e., routed) to its desired destination, whil e the audio data is first routed to the audio bridge (130) for mixing, and then to the desired destination. At the desired destination, the separate audio and video signals are processed and synchronized by the interface module (114) of the destination and provided to the audio/video terminal. Various different synchronization methods for the audio and video data streams are disclosed.</p> |
