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Method and apparatus for forward error correction in packet networks

  • US 6,141,788 A
  • Filed: 10/13/1998
  • Issued: 10/31/2000
  • Est. Priority Date: 03/13/1998
  • Status: Expired due to Fees
First Claim
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1. A method for applying forward error correction to media packets in a transmission network, comprising the steps ofchoosing an error correcting code at a transmitter;

  • generating a set of FEC packets, each FEC packet containing an offset bitmask associating the FEC packet with a media packet and containing a field sufficient to impart the chosen error-correcting code to at least one FEC-capable receiver;

    sending the packet stream, consisting of media packets and FEC packets, to the FEC-capable receiver; and

    decoding the packet stream at the FEC-capable receiver, generating media packets as a result.

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