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An Exploration of Task-Decoupling on Two-Stage Neural Post Filter for Real-Time Personalized Acoustic Echo Cancellation

  • Zihan Zhang
  • , Jiayao Sun
  • , Xianjun Xia
  • , Ziqian Wang
  • , Xiaopeng Yan
  • , Yijian Xiao
  • , Lei Xie
  • Northwestern Polytechnical University Xian
  • ByteDance Ltd.

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Deep learning based techniques have been popularly adopted in acoustic echo cancellation (AEC). Utilization of speaker representation has extended the frontier of AEC, thus attracting many researchers' interest in personalized acoustic echo cancellation (PAEC). Meanwhile, task-decoupling strategies are widely adopted in speech enhancement. To further explore the task-decoupling approach, we propose to use a two-stage task-decoupling post-filter (TDPF) in PAEC. Furthermore, a multi-scale local-global speaker representation is applied to improve speaker extraction in PAEC. Experimental results indicate that the task-decoupling model can yield better performance than a single joint network. The optimal approach is to decouple the echo cancellation from noise and interference speech suppression. Based on the task-decoupling sequence, optimal training strategies for the two-stage model are explored afterwards.

Original languageEnglish
Title of host publication2023 IEEE Automatic Speech Recognition and Understanding Workshop, ASRU 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350306897
DOIs
StatePublished - 2023
Event2023 IEEE Automatic Speech Recognition and Understanding Workshop, ASRU 2023 - Taipei, Taiwan, Province of China
Duration: 16 Dec 202320 Dec 2023

Publication series

Name2023 IEEE Automatic Speech Recognition and Understanding Workshop, ASRU 2023

Conference

Conference2023 IEEE Automatic Speech Recognition and Understanding Workshop, ASRU 2023
Country/TerritoryTaiwan, Province of China
CityTaipei
Period16/12/2320/12/23

Keywords

  • personalized acoustic echo cancellation
  • speaker representation
  • task-decoupling
  • two-stage

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