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Method and Apparatus for Encoding and Decoding

  • US 20100280823A1
  • Filed: 06/22/2010
  • Published: 11/04/2010
  • Est. Priority Date: 03/26/2008
  • Status: Active Grant
First Claim
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1. An encoding method comprising:

  • extracting background noise characteristic parameters within a hangover period;

    for a first superframe after the hangover period, performing background noise encoding based on the extracted background noise characteristic parameters within the hangover period and background noise characteristic parameters of the first superframe;

    for superframes after the first superframe, performing background noise characteristic parameter extraction and Discontinuous Transmission (DTX) decision for each frame in the superframes after the first superframe; and

    for the superframes after the first superframe, performing background noise encoding based on extracted background noise characteristic parameters of a current superframe, background noise characteristic parameters of a plurality of superframes previous to the current superframe, and a final DTX decision.

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