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Collaborative video delivery over heterogeneous networks

  • US 20020112244A1
  • Filed: 12/13/2001
  • Published: 08/15/2002
  • Est. Priority Date: 12/19/2000
  • Status: Abandoned Application
First Claim
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1. A system for collaboratively delivering a video stream over a heterogeneous network, the video stream including a plurality of frames, the system comprising:

  • a session controller for synchronizing with client devices, receiving messages, and outputting encoder control commands based on the messages; and

    a plurality of encoders, each of the plurality of encoders being dedicated to a corresponding one of the client devices for receiving user control commands from the corresponding one of the client devices that correspond to a playback of the video stream, outputting the messages based on the user control commands, and respectively controlling a transmission of the video stream to the corresponding one of the client devices using a timeline shared between the client devices, including respectively and dynamically transmitting or discarding each of the plurality of frames so as to cooperatively maintain a minimum quality of service for all of the client devices.

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