Which face mask is best?

How easy or difficult is it to understand someone wearing different sorts of face masks? Researchers lead by Brown determined via data collected from people with normal hearing that “cotton masks with filter inserts and masks with a transparent plastic panel were linked to/associated with the worst performance when it came to understanding what the wearer was saying. While they were surprised that listeners did not do better with transparent masks, the authors pointed out that the clear panels hurt…

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