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Video synchronization system

  • US 8,102,470 B2
  • Filed: 02/22/2008
  • Issued: 01/24/2012
  • Est. Priority Date: 02/22/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • providing one or more remote video sources;

    providing a codec including an internal reference oscillator, the internal reference oscillator having a reference frequency;

    generating a plurality of horizontal and vertical synchronization pulses based on the reference frequency of the internal reference oscillator;

    generating a composite synchronization pulse based on the plurality of horizontal and vertical synchronization pulses;

    transmitting the composite synchronization pulse to the one or more remote video sources via a communication link;

    separating the composite synchronization pulse back into the plurality of horizontal and vertical synchronization pulses;

    generating a pixel clock signal for the one or more remote video sources based on one or more of the plurality of horizontal and vertical synchronization pulses;

    genlocking the one or more remote video sources based on the generated clock signal.

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