Reference zero for the calibration of bone-conduction audiometric equipment using short-duration signals.

IF 2 3区医学 Q2 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY

International Journal of Audiology Pub Date : 2026-06-06 DOI:10.1080/14992027.2026.2668498

Michael R D Maslin, Julie Zhong, Greg A O'Beirne

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引用次数: 0

Abstract

Objective: Clicks and tonebursts used in auditory brainstem responses (ABRs) are calibrated using a standardised reference, published in ISO 389-6 (2007). However, the standardised reference contains toneburst values for air-conduction (AC) but not bone-conduction (BC) transducers. Therefore, BC values are usually estimated in clinical practice as an interim measure until empirical values become available. Here we offer such empirical values.

Design: Equivalent Threshold Vibratory Force Levels (ETVFLs) closely to preferred test procedures described in ISO 389-9 (2009). The transducer was a RadioEar B81 bone vibrator, and levels were characterised using the peak-to-peak equivalent method.

Study sample: 27 otologically normal adults (14 female and 13 male) with a mean age of 22 years (range 18-25).

Results: Median thresholds corresponding to 0 dB HL for a range of stimulus frequencies and listening conditions are provided. Toneburst values at the commonly used centre frequencies of 0.5, 1, 2 and 4 kHz are respectively 68 dB, 60.5, 47.5 and 44.5 dB re: 1 µN with contralateral masking. The click reference, with contralateral masking, is 58 dB re: 1 µN.

Conclusions: These data could serve as a basis upon which to address the incomplete suite of values in ISO 389-6 (2007).

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使用短时间信号校准骨传导听力测量设备的参考零点。

目的：使用ISO 389-6（2007）中发布的标准化参考标准对听觉脑干反应（ABRs）中使用的咔哒声和音调爆发进行校准。然而，标准化参考包含空气传导（AC）的音暴值，而不包括骨传导（BC）换能器。因此，在临床实践中，BC值通常作为一种临时测量，直到获得经验值。在这里，我们提供这样的经验值。设计：等效阈值振动力水平（etvfl）接近ISO 389-9（2009）中描述的首选测试程序。换能器是RadioEar B81骨振动器，使用峰对峰等效方法表征水平。研究样本：27名耳部正常的成年人（14名女性，13名男性），平均年龄22岁（18-25岁）。结果：给出了刺激频率范围和听力条件下对应于0 dB HL的中位阈值。在对侧掩蔽下，在常用的0.5、1、2和4 kHz中心频率处的频响值分别为68 dB、60.5、47.5和44.5 dB re: 1µN。对侧屏蔽的点击基准为58 dB re: 1µN。结论：这些数据可以作为解决ISO 389-6（2007）中不完整的一套值的基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Audiology 医学-耳鼻喉科学

CiteScore

4.90

自引率

14.80%

发文量

133

审稿时长

4-8 weeks

期刊介绍： International Journal of Audiology is committed to furthering development of a scientifically robust evidence base for audiology. The journal is published by the British Society of Audiology, the International Society of Audiology and the Nordic Audiological Society.