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Tunable post-filter for tandem coders

  • US 5,694,519 A
  • Filed: 12/09/1996
  • Issued: 12/02/1997
  • Est. Priority Date: 02/18/1992
  • Status: Expired due to Term
First Claim
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1. A method of processing an encoded signal to generate a postfiltered signal, the method comprising:

  • (a) decoding the encoded signal to generate a decoded signal; and

    (b) postfiltering the decoded signal with a postfilter to generate the postfiltered signal, the postfilter comprising a set of tunable parameters, the set of tunable parameters having preselected values that are based upon an output signal that has been encoded more than once and decoded more than once.

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