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Subband Sparse Adaptive Filter for Echo Cancellation in Digital Hearing Aid Vent

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Academic year: 2021

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Fig.  1.  Hearing  aid  structure  for  echo  cancelling
그림  2.  반향제거를  위한  보청기  부밴드  구조(M=2) Fig.  2.  Hearing  aid  subband  structure  for  echo  can celling     2.2  반향제거를  위한  부밴드  성긴  적응필터 디지털  보청기  귀환제거를  위한  그림  2와  같은  부 밴드  구조에서  성긴  임펄스  응답  특성을  가지는  귀환 경로를  추정하여  반향  제거를  위한  부밴드  적응필터가  필요하다
그림  3.  귀환경로의  임펄스  응답(성긴도  0.9217) Fig.  3.  Impulse  response  of  feedback  path  (sparsity  0.

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