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Conference Papers Year : 2021

Attention-based distributed speech enhancement for unconstrained microphone arrays with varying number of nodes

Abstract

Speech enhancement promises higher efficiency in ad-hoc microphone arrays than in constrained microphone arrays thanks to the wide spatial coverage of the devices in the acoustic scene. However, speech enhancement in ad-hoc microphone arrays still raises many challenges. In particular, the algorithms should be able to handle a variable number of microphones, as some devices in the array might appear or disappear. In this paper, we propose a solution that can efficiently process the spatial information captured by the different devices of the microphone array, while being robust to a link failure. To do this, we use an attention mechanism in order to put more weight on the relevant signals sent throughout the array and to neglect the redundant or empty channels.
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Dates and versions

hal-03259801 , version 1 (14-06-2021)

Identifiers

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Nicolas Furnon, Romain Serizel, Slim Essid, Irina Illina. Attention-based distributed speech enhancement for unconstrained microphone arrays with varying number of nodes. EUSIPCO 2021 - 29th European Signal Processing Conference, IEEE, Aug 2021, Dublin / Virtual, Ireland. ⟨10.23919/EUSIPCO54536.2021.9616358⟩. ⟨hal-03259801⟩
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