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Listening Effort and Speech Perception Performance Using Different Facemasks.

Lisa Lucks Mendel1,2, Monique A Pousson1, Bhanu Shukla1,2

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This summary is machine-generated.

Facemasks significantly impact speech perception, especially in noise. KN95 and surgical masks performed best, while cloth masks hindered communication most for normal hearing and hearing loss listeners.

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Area of Science:

  • Audiology
  • Speech-language pathology
  • Public health

Background:

  • Facemasks are crucial for mitigating airborne disease transmission.
  • Masks can impede speech communication by altering acoustics and visual cues.

Purpose of the Study:

  • To evaluate the effect of eight facemask types on speech perception and listening effort.
  • To compare performance in normal-hearing (NH) and hearing-impaired (HI) listeners under varying noise conditions.

Main Methods:

  • Forty adults (NH and HI) completed speech-in-noise tests with eight facemask types and a no-mask condition.
  • Speech perception (SNR loss) and listening effort were measured in a sound field at 6 feet.

Main Results:

  • NH listeners had mild SNR loss; HI listeners had moderate SNR loss.
  • Speech perception was best with no mask, KN95, and surgical masks; worst with cloth masks.
  • Reduced listening effort correlated with improved speech perception across all groups.

Conclusions:

  • Facemasks significantly affect speech communication, particularly in noise.
  • KN95 and surgical masks minimally impacted speech perception compared to cloth masks.
  • For effective communication with masks in noise, KN95 masks and a +15 dB SNR are recommended.