"Intelligibility of face-masked speech depends on speaking style: Comparing casual, clear, and emotional speech"
by postdoc Michelle Cohn (UC Davis), Anne Pycha (University of Wisconsin-Milwaukee) and Georgia Zellou (UC Davis)
Recently published in Cognition: https://linkinghub.elsevier.com/retrieve/pii/S0010027720303899
[Take away: fabric face-masks don’t simply reduce intelligibility! The speaker plays an important role]