Acoustic Echo Cancellation with Cross-Domain Learning
This paper proposes the Cross-Domain Echo-Controller(CDEC), submitted to the Interspeech 2021 AEC-Challenge.The algorithm consists of three building blocks: (i) a Time-Delay Compensation (TDC) module, (ii) a frequency-domainblock-based Acoustic Echo Canceler (AEC), and (iii) a Time-Domain Neural-Network (TD-NN) used as a post-processor.Our system achieves an overall MOS score of 3.80, while onlyusing 2.1 million parameters at a system latency of 32ms.
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