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Error resilient method and apparatus for entropy coding

DC CAFC
  • US 5,850,482 A
  • Filed: 04/17/1996
  • Issued: 12/15/1998
  • Est. Priority Date: 04/17/1996
  • Status: Expired due to Term
First Claim
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1. An error resilient method of encoding data comprising the steps of:

  • generating a plurality of code words representative of respective portions of the data, wherein each code word comprises a first portion and an associated second portion, and wherein said code word generating step comprises the steps of;

    generating the first portion of each code word, wherein said first portion generating step comprises the step of including information within the first portion that is representative of a predetermined characteristic of the associated second portion; and

    generating the second portion of each code word, wherein said second portion generating step comprises the step of including information within the second portion that is representative of the respective portion of the data; and

    providing error protection to at least one of the first portions of the plurality of code words while maintaining any error protection provided to the respective second portion associated with the at least one first portion at a lower level than the error protection provided to the respective first portion.

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