The Acceptable Noise Level and the Pure-Tone Audiogram Purpose The vast majority of previous studies suggest that there is no relationship between the acceptable noise level (ANL) and pure-tone hearing thresholds reported as the average pure-tone hearing thresholds (pure-tone average). This study aims to explore (a) the relationship between hearing thresholds at individual frequencies and the ANL and ... Research Note
Research Note  |   March 01, 2017
The Acceptable Noise Level and the Pure-Tone Audiogram
 
Author Affiliations & Notes
  • K. Jonas Brännström
    Department of Clinical Science, Section of Logopedics, Phoniatrics and Audiology, Lund University, Sweden
  • Steen Østergaard Olsen
    Research Laboratory, Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Rigshospitalet, Copenhagen, Denmark
  • Disclosure: The authors have declared that no competing interests existed at the time of publication.
    Disclosure: The authors have declared that no competing interests existed at the time of publication. ×
  • Correspondence to: K. Jonas Brännström: jonas.brannstrom@med.lu.se
  • Editor: Sumitrajit Dhar
    Editor: Sumitrajit Dhar×
  • Associate Editor: Ann Eddins
    Associate Editor: Ann Eddins×
Article Information
Hearing & Speech Perception / Acoustics / Hearing Disorders / Research Note
Research Note   |   March 01, 2017
The Acceptable Noise Level and the Pure-Tone Audiogram
American Journal of Audiology, March 2017, Vol. 26, 80-87. doi:10.1044/2016_AJA-16-0033
History: Received March 8, 2016 , Revised June 10, 2016 , Accepted September 16, 2016
 
American Journal of Audiology, March 2017, Vol. 26, 80-87. doi:10.1044/2016_AJA-16-0033
History: Received March 8, 2016; Revised June 10, 2016; Accepted September 16, 2016

Purpose The vast majority of previous studies suggest that there is no relationship between the acceptable noise level (ANL) and pure-tone hearing thresholds reported as the average pure-tone hearing thresholds (pure-tone average). This study aims to explore (a) the relationship between hearing thresholds at individual frequencies and the ANL and (b) a measure of the slope of the audiogram and ANL.

Method Sixty-three Danish adult hearing aid users participated. Assessments were pure-tone audiogram and 3 different versions of the ANL test made monaurally at 2 different sessions.

Results The findings show that low-frequency hearing thresholds and the slope of the audiogram are significantly related to all versions of the ANL.

Conclusion It is possible that previous studies have failed to discover a relationship between ANL and hearing thresholds due to the use of the broad 4-frequency pure-tone average. This has implications for our understanding of the ANL test.

Acknowledgments
Statement of authorship: The authors alone are responsible for the content and writing of the article. The authors confirm this manuscript is an original contribution, not previously published and not under consideration for publication elsewhere. Notification of ethical adherence: The study received approval from the regional ethics committee. The study adhered to the Declaration of Helsinki ethical principles.
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