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A robust fuzzy logic-based step-gain control for adaptive filters in acoustic echo cancellation

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1 Author(s)
C. Breining ; Siemens AG, Ulm, Germany

Step-gain control is crucial for acoustic echo cancelers. Most double-talk detectors and step-gain estimators become unreliable in certain situations. In this contribution, we combine a step-gain estimation method with a double-talk detector by fuzzy logic. This control is robust and efficient while requiring only very little additional complexity

Published in:

IEEE Transactions on Speech and Audio Processing  (Volume:9 ,  Issue: 2 )