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Method and apparatus of providing time sensitive messages over a variable delay channel

  • US 5,761,204 A
  • Filed: 09/20/1996
  • Issued: 06/02/1998
  • Est. Priority Date: 11/15/1993
  • Status: Expired due to Term
First Claim
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1. A method of sending timing sensitive digital data over a communication channel having a variable delay, comprising the steps of:

  • monitoring a stream of digital data;

    recognizing a first time sensitive message within said stream of digital data;

    substituting a time insensitive message for said first time sensitive message within said stream of digital data to produce modified digital data, said time insensitive message corresponding to an encoded representation of said first time sensitive message wherein said encoded message is insensitive to delay variation in said variable time delay channel;

    conveying said modified digital data over said communication channel;

    receiving a copy of said modified digital data from said communication channel;

    monitoring said copy of said modified digital data for said time insensitive message;

    recognizing within said copy of said modified digital data said time insensitive message;

    converting said time sensitive message into said first time sensitive message; and

    substituting said first time sensitive message for said time insensitive message within said copy of said modified digital data to produce a copy of said stream of digital data.

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