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Method and system for forward error correction with different frame sizes

  • US 6,785,261 B1
  • Filed: 05/28/1999
  • Issued: 08/31/2004
  • Est. Priority Date: 05/28/1999
  • Status: Expired due to Fees
First Claim
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1. In a telecommunications network including a first device and a second device used to transmit multimedia information, an improved method of communicating the multimedia information comprising, in combination:

  • generating a first data stream containing a first version of vocoded audio information derived from original audio information, wherein the first data stream is representative of the entire original audio information;

    generating a redundant data stream containing a second version of vocoded audio information derived from the same said original audio information, wherein the redundant data stream is representative of the entire original audio information;

    transmitting said first and redundant data streams in the form of data packets from said first device to said second device;

    reproducing said original audio information from said first data stream; and

    reproducing said original audio information from the redundant data stream in the event that missing or corrupted data occurs in said first data stream.

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