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Video conferencing system transcoder

  • US 20060087553A1
  • Filed: 10/17/2005
  • Published: 04/27/2006
  • Est. Priority Date: 10/15/2004
  • Status: Active Grant
First Claim
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1. A transcoder for use in a videoconferencing system, comprising:

  • a plurality of video source inputs for receiving video signals;

    a plurality of decoders coupled to the video source inputs for decoding the received video signals;

    a first plurality of scalers for scaling the received video signals and scaling the received video signals to produce scaled video signals;

    a memory for storing the scaled video signals;

    a plurality of compositors coupled to the memory for receiving two or more of the scaled video signals and compositing the scaled video signals to produce a composite image comprising two or more of the scaled video signals;

    a second plurality of scalers, each of the second plurality of scalers coupled to one of at least a subset of the plurality of compositors;

    wherein at least one of the second plurality of scalers is operable to scale a composite image output from one of the plurality of compositors; and

    a plurality of video source outputs for providing output composite images.

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