System and method for a conference server architecture for low delay and distributed conferencing applications
First Claim
1. A conferencing system comprising:
- a scalable video coding server;
at least one receiving endpoint linked to the server by a communication channel,wherein the server is configured to receive from the at least one receiving endpoint a plurality of media signals having different signal characteristics but representing a same content, each media signal comprising a plurality of packets,wherein the server is configured to selectively forward at least one, but not all, of the media signals representing the same content to the at least one receiving endpoint over the communication channel; and
wherein the server is configured to improve a quality of service of the communication channel over the quality of service the communication channel would have but for the use of the server.
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Abstract
Systems and methods for conducting a multi-endpoint video signal conference are provided. Conferencing endpoints are linked by pairs of a reliable and a less reliable communication channel. Conference video signals are scaleable coded in base layer and enhancement layers format. Video signal base layers, which correspond to a minimum picture quality, are communicated over reliable channels. The video signal enhancements layers may be communicated over the less reliable channels. A conference server mediates the switching of video layer information from transmitting endpoints to receiving endpoints without any intermediate coding or re-coding operations. The video conference can be integrated with an audio conference using either scalable coded audio signals or non-scaleable coded audio signals.
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Citations
24 Claims
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1. A conferencing system comprising:
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a scalable video coding server; at least one receiving endpoint linked to the server by a communication channel, wherein the server is configured to receive from the at least one receiving endpoint a plurality of media signals having different signal characteristics but representing a same content, each media signal comprising a plurality of packets, wherein the server is configured to selectively forward at least one, but not all, of the media signals representing the same content to the at least one receiving endpoint over the communication channel; and wherein the server is configured to improve a quality of service of the communication channel over the quality of service the communication channel would have but for the use of the server. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification