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Systems, methods, apparatus, and computer program products for providing forward error correction with low latency

  • US 8,707,139 B2
  • Filed: 10/18/2007
  • Issued: 04/22/2014
  • Est. Priority Date: 10/18/2006
  • Status: Active Grant
First Claim
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1. A method for providing forward error correction, comprising:

  • receiving information about when one or more receivers are operational;

    transmitting an FEC encoded stream using a time window of t seconds;

    transmitting an unencoded stream of source packets shifted t seconds with respect to data in a source stream, wherein the unencoded stream is transmitted when a receiver is within a first t seconds of being operational;

    receiving the FEC encoded stream and the unencoded stream;

    outputting the unencoded stream for the first t seconds;

    collecting data from the FEC encoded stream;

    after t seconds, FEC decoding the FEC encoded stream thereby generating a decoded stream; and

    outputting the decoded stream.

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