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Classification-based frame loss concealment for audio signals

  • US 20070118369A1
  • Filed: 11/23/2005
  • Published: 05/24/2007
  • Est. Priority Date: 11/23/2005
  • Status: Active Grant
First Claim
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1. A method in an audio decoder for generating an output audio signal corresponding to a lost frame of an audio bit-stream, comprising:

  • analyzing at least a portion of a previously-decoded audio signal corresponding to previously-decoded frames of the audio bit-stream;

    selecting one of a plurality of frame loss concealment (FLC) techniques based on the results of the analysis; and

    applying the selected one of the plurality of FLC techniques to the previously-decoded audio signal to generate the output audio signal corresponding to the lost frame.

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