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AEC capability verification of varying loudspeaker-microphone configurations

  • Acoustic Echo Cancellation (AEC) plays a crucial role in speech communication devices to enable full-duplex communication. AEC algorithms have been studied extensively in the literature. However, device specific details like microphone or loudspeaker configurations are often neglected, despite their impact on the echo attenuation or near-end speech quality. In this work, we propose a method to investigate different loudspeaker-microphone configurations with respect to their contribution to the overall AEC performance. A generic AEC system consisting of an adaptive filter and a Wiener post filter is used for a fair comparison between different setups. We propose the near-end-to-residual-echo ratio (NRER) and the attenuation-of-near-end (AON) as quality measures for the full-duplex AEC performance.

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Metadaten
Author:Simon GrimmGND, Markus Kasemann, Jürgen FreudenbergerORCiDGND
Parent Title (English):Fortschritte der Akustik : DAGA 2021, 47. Jahrestagung für Akustik, 15.-18. August 2021, Wien, hybrid
Publisher:Deutsche Gesellschaft für Akustik e.V. (DEGA)
Place of publication:Berlin
Document Type:Conference Proceeding
Language:English
Year of Publication:2021
Release Date:2022/01/11
First Page:1293
Last Page:1296
Institutes:Institut für Systemdynamik - ISD
Relevance:Keine peer reviewed Publikation (Wissenschaftlicher Artikel und Aufsatz, Proceeding, Artikel in Tagungsband)
Open Access?:Nein