Evidence map›Paper›PMID 33379881›Full record

ArticleThe Journal of the Acoustical Society of America2020

Impact of face masks on voice radiation.

Christoph Pörschmann, Tim Lübeck, Johannes M Arend

Abstract read
In one paragraph

Article in The Journal of the Acoustical Society of America, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed.

  1. Review
  2. Effect of medical mask on voice in patients with dysphonia.World journal of otorhinolaryngology - head and neck surgery · 2025
    Article
  3. Article
  4. Article
  5. Best practices for communication while wearing facemasks: A scoping review.Journal of nursing scholarship : an official publication of Sigma Theta Tau International Honor Society of Nursing · 2024
    Article
  6. Article
  7. Article
  8. Review
  9. Review
  10. Effects of Personal Protective Equipment on Speech Acoustics.Sisli Etfal Hastanesi tip bulteni · 2023
    Article
  11. Effects of experience on recognition of speech produced with a face mask.Cognitive research: principles and implications · 2022
    Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Christoph PörschmannInstitute of Communications Engineering, TH Köln-University of Applied Sciences, Betzdorfer Straße 2, 50679 Cologne, Germany.
Tim LübeckInstitute of Communications Engineering, TH Köln-University of Applied Sciences, Betzdorfer Straße 2, 50679 Cologne, Germany.
Johannes M ArendInstitute of Communications Engineering, TH Köln-University of Applied Sciences, Betzdorfer Straße 2, 50679 Cologne, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

With the COVID-19 pandemic, the wearing of face masks covering mouth and nose has become ubiquitous all around the world. This study investigates the impact of typical face masks on voice radiation. To analyze the transmission loss caused by masks and the influence of masks on directivity, this study measured the full-spherical voice directivity of a dummy head with a mouth simulator covered with six masks of different types, i.e., medical masks, filtering facepiece respirator masks, and cloth face coverings. The results show a significant frequency-dependent transmission loss, which varies depending on the mask, especially above 2 kHz. Furthermore, the two facepiece respirator masks also significantly affect speech directivity, as determined by the directivity index (DI). Compared to the measurements without a mask, the DI deviates by up to 7 dB at frequencies above 3 kHz. For all other masks, the deviations are below 2 dB in all third-octave frequency bands.

Indexed as

MasksSpeech AcousticsSpeech IntelligibilityVoiceCOVID-19HumansSARS-CoV-2

Identifiers

PMID33379881
PMCPMC7857507

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.