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2020•International Journal of AudiologyRequires access

Equivalent threshold sound pressure levels (ETSPLs) for RadioEar DD65v2 circumaural audiometric headphones

Marion U. Bug, Thomas Fedtke

Open publisher page 6 citations

Abstract

Objective: Equivalent threshold sound pressure levels (ETSPLs) were determined for RadioEar DD65v2 audiometric headphones.Design: The pure-tone hearing threshold levels were measured for 11 audiometric frequencies between 0.125 and 8 kHz, according to the conditions specified in ISO 389-9. ETSPLs are provided for an ear simulator according to IEC 60318-1, complemented by a comprehensive uncertainty budget.Study sample: The study was based on 25 otologically normal test subjects.Results: ETSPL values are provided with expanded measurement uncertainty. The data are compared for left/right ears as well as male/female test subjects.Conclusions: The results of both studies may be used to update ISO 389-8, the RETSPL standard for circumaural audiometric headphones.

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What this paper is about

Objective: Equivalent threshold sound pressure levels (ETSPLs) were determined for RadioEar DD65v2 audiometric headphones.Design: The pure-tone hearing threshold levels were measured for 11 audiometric frequencies between 0.125 and 8 kHz, according to the conditions specified in ISO 389-9. ETSPLs are provided for an ear simulator according to IEC 60318-1, complemented by a comprehensive uncertainty budget.Study sample: The study was based on 25 otologically normal test subjects.Results: ETSPL values are provided with expanded measurement uncertainty. The data are compared for left/right ears as well as male/female test subjects.Conclusions: The results of both studies may be used to update ISO 389-8, the RETSPL standard for circumaural audiometric headphones.

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Available abstract

Objective: Equivalent threshold sound pressure levels (ETSPLs) were determined for RadioEar DD65v2 audiometric headphones.Design: The pure-tone hearing threshold levels were measured for 11 audiometric frequencies between 0.125 and 8 kHz, according to the conditions specified in ISO 389-9. ETSPLs are provided for an ear simulator according to IEC 60318-1, complemented by a comprehensive uncertainty budget.Study sample: The study was based on 25 otologically normal test subjects.Results: ETSPL values are provided with expanded measurement uncertainty. The data are compared for left/right ears as well as male/female test subjects.Conclusions: The results of both studies may be used to update ISO 389-8, the RETSPL standard for circumaural audiometric headphones.

Key concepts: Headphones, Audiology, Pure tone, Audiometry, Absolute threshold of hearing, Sound pressure, Medicine, Acoustics

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Equivalent threshold sound pressure levels (ETSPLs) for RadioEar DD65v2 circumaural audiometric headphones — Research Paper | ScholarLens