H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/15 (2006.01) H04L 12/56 (2006.01)
Patent
CA 2662812
A multicast scalable video communication server (MSVCS) is disposed in a multi-endpoint video conferencing system with multicast capabilities and in which audiovisual signals are scalably coded. The MVCVS additionally has unicast links to endpoints. The MSVCS caches audiovisual signal data received from endpoints over multicast communication channels, and retransmits the data over either unicast or multicast communication channels to an endpoint that requests the cached data.
Serveur de communication vidéo hiérarchique en multidiffusion (MSVCS) placé dans un système de vidéoconférence multi-extrémité doté de moyens de multidiffusion et dont les signaux audiovisuels font l'objet d'un codage hiérarchique. Le serveur MSVCS compOrte en outre des liaisons point à point vers les extrémités. Le serveur MSVCS met en antémémoire les données associées aux signaux audiovisuels reçus des extrémités par des canaux de communication en multidiffusion, et retransmet les données mises en antémémoire à une extrémité qui les sollicite par des canaux de communication point à point ou en multidiffusion.
Civanlar Reha
Eleftheriadis Alexandros
Shapiro Ofer
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Vidyo Inc.
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