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Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal using the same

  • US 10,283,125 B2
  • Filed: 06/08/2017
  • Issued: 05/07/2019
  • Est. Priority Date: 11/24/2006
  • Status: Active Grant
First Claim
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1. An apparatus for concealing an error in an audio input signal, the apparatus comprising:

  • at least one processor configured to;

    receive an audio input signal including a previous frame and a current frame,generate signal characteristics including stationarity of the audio input signal,determine an error concealment scheme of the current frame from a plurality of error concealment schemes provided that the current frame corresponds to one of an error frame and a good frame after an error frame, the error concealment scheme being determined based on the signal characteristics and an error concealment scheme used for the previous frame, andconceal the current frame based on the determined error concealment scheme.

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