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Table 2 Audiometric evaluation in subjects using PAPR, FFP3 respirator or surgical face mask with additional frequency response modification of the speaker (manipulation of listener and speaker)

From: Powered air-purifying respirators used during the SARS-CoV-2 pandemic significantly reduce speech perception

Audiological test

Condition

 

Listener (subject)

Speaker

German matrix test (Oldenburg sentence test, OLSA)

SFM

SFM

FFP3

FFP3

PAPR

PAPR

  1. SFM Surgical face mask, FFP3 FFP3 respirator, PAPR Powered air-purifying respirator
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Journal of Occupational Medicine and Toxicology

ISSN: 1745-6673