How much COVID-19 face protections influence speech intelligibility in classrooms?

•Face protections worn by teachers in classrooms do affect speech propagation.•High medical protections are the ones that mostly reduce source emission.•Surgical masks are not shown to significantly affect speech transmission.•The most affected frequencies start form 1600 Hz and end at 6300 Hz.•Fema...

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Bibliographische Detailangaben

Veröffentlicht in:	Applied acoustics 2021-07, Vol.178, p.108051-108051, Article 108051
Hauptverfasser:	Caniato, Marco, Marzi, Arianna, Gasparella, Andrea
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic COVID-19 Face mask Hearing Pandemic Surgical
Online-Zugang:	Volltext
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