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Video encoder with latency control

  • US 7,936,819 B2
  • Filed: 07/08/2005
  • Issued: 05/03/2011
  • Est. Priority Date: 07/08/2005
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • at a server system comprising one or more processors and memory storing one or more programs configured to be executed by the one or more processors;

    determining a number of bits corresponding to a frame of video;

    determining a length of time needed to transmit the number of bits;

    determining that the length of time exceeds a frame period, wherein the frame period corresponds to an inverse of an average frame update rate; and

    in response to determining that the length of time exceeds the frame period;

    transmitting one or more P-frames that each comprise a plurality of empty macro-blocks, wherein each of the one or more P-frames is transmitted over a period of time less than the frame period; and

    after transmitting the one or more P-frames, transmitting the frame of video over a period of time exceeding one frame period.

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