J Audiol Otol.
2024 Jan;28(1):1-9. 10.7874/jao.2023.00626.
Trends in Distributions of Hearing Threshold Levels by Ages: A Comparison of the ISO 7029 and Newly Available Country-Specific Data
- Affiliations
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- 1Division of Speech Pathology and Audiology, Research Institute of Audiology and Speech Pathology, College of Natural Sciences, Hallym University, Chuncheon, Korea
- 2Department of Speech Pathology and Audiology, Graduate School, Hallym University, Chuncheon, Korea
- 3Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, Wonju, Korea
- 4Department of Otorhinolaryngology, Jeju National University College of Medicine, Jeju, Korea
- 5Division of Physical Metrology, Korea Research Institute of Standards & Science, Daejeon, Korea
- 6Department of Otorhinolaryngology-Head and Neck Surgery, Hallym University College of Medicine, Anyang, Korea
- 7Department of Otorhinolaryngology-Head and Neck Surgery, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
- 8Healthcare Lab, Naver Corporation, Seongnam, Korea
- 9Healthcare Lab, Naver Cloud Corporation, Seongnam, Korea
- 10Department of Otorhinolaryngology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- 11Department of Audiology and Speech Language Pathology, Hallym Univesity of Graduate Studies, Seoul, Korea
- 12Hallym University of Graduate Studies Center for Hearing and Speech Research, Seoul, Korea
- KMID: 2550503
- DOI: http://doi.org/10.7874/jao.2023.00626
Abstract
- Hearing thresholds provide essential information and references about the human auditory system. This study aimed to identify changing trends in distributions of hearing threshold levels across ages by comparing the International Organization for Standardization (ISO) 7029 and newly available data after publishing ISO 7029. To compare ISO 7029 and newly available hearing threshold data after publishing ISO 7029, four country-specific datasets that presented average hearing threshold levels under conditions similar to ISO 7029 were utilized. For frequencies between 125 Hz and 8,000 Hz, the deviations of hearing threshold values by ages from the hearing threshold of the youngest age group for each data point were utilized. For frequencies from 9,000 Hz to 12,500 Hz, the median threshold information was utilized. Hearing threshold data reported after publishing ISO 7029 from the four countries were mostly similar to the ISO 7029 data but tended to deviate in some age groups and sexes. As national hearing threshold trends change, the following ISO 7029 revision suggests the need to integrate hearing threshold data from different countries.
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