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Electropalatographic data collected with and without a face mask

J Fontdevila¹, M D Pallarès, D Recasens

¹Institut d'Estudis Catalans, Universitat Autònoma de Barcelona, Spain.

Journal of Speech and Hearing Research

|August 1, 1994

Summary

Wearing a face mask during speech production alters tongue movements. Specifically, masks cause changes in linguopalatal contact for certain consonants, suggesting articulatory compensation strategies.

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Area of Science:

Speech Science
Articulatory Phonetics
Human-Computer Interaction

Background:

Face masks are widely used, potentially impacting speech production.
Understanding articulatory changes is crucial for communication and assistive technologies.

Purpose of the Study:

To investigate how face masks affect linguopalatal contact during speech.
To identify specific changes in tongue-palate interactions with mask use.

Main Methods:

Electropalatography (EPG) was used to record linguopalatal contact.
Data were collected from five Catalan speakers producing specific consonants ([n], [n], [j]).
Speech samples were analyzed in both mask and non-mask conditions.

Main Results:

The alveolar stop [n] showed increased closure retraction when wearing a mask.
The alveolopalatal stop [n] and palatal approximant [j] exhibited increased dorsopalatal contact.
These changes are hypothesized to be compensatory strategies.

Conclusions:

Face mask use demonstrably alters linguopalatal contact during speech.
Speakers may employ compensatory mechanisms to maintain speech intelligibility.
Further research is needed to explore the full implications for speech perception and production.