验证综合压力水平测量耳罩宽带实耳到耦合器差值测量法。

IF 1.8 3区 医学 Q2 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY International Journal of Audiology Pub Date : 2024-08-01 Epub Date: 2023-09-18 DOI:10.1080/14992027.2023.2254934
Matthew Urichuk, David Purcell, Prudence Allen, Susan Scollie
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引用次数: 0

摘要

目标:验证使用综合压力水平(IPL)校准传感器和声学测量的管道长度校正对预测耳模宽带实耳到耦合器差值(wRECD)的测量:研究样本:招募了 22 名听力正常且中耳状态正常的成年人:结果:在 500 至 2500 Hz 之间,探头-麦克风和预测耳模 IPL wRECD 测量值之间没有明显的临床差异。在 5000 Hz 以上,由于缺乏驻波干扰,预测的耳模 IPL wRECD 超过了耳模 SPL wRECD。在所有评估频率上,IPL wRECD 测量的重测可靠性都超过了耳模 SPL wRECD 测量的可靠性,其中高频的改进最大。声学测量的管道长度校正在很大程度上考虑了受试者耳罩的声学效应:基于 IPL 的测量为探头-麦克风耳模 wRECD 程序提供了一种很有前途的替代方法。预测的耳罩 IPL wRECD 无需放置探头麦克风即可测量,与耳罩 SPL wRECD 非常吻合,有望扩大 wRECD 测量的有效带宽。
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Validation of an integrated pressure level measured earmold wideband real-ear-to-coupler difference measurement.

Objective: To validate measurement of predicted earmold wideband real-ear-to-coupler difference (wRECD) using an integrated pressure level (IPL) calibrated transducer and the incorporation of an acoustically measured tubing length correction.

Design: Unilateral earmold SPL wRECD using varied hearing aid tubing length and the proposed predicted earmold IPL wRECD measurement procedure were completed on all participants and compared.

Study sample: 22 normal hearing adults with normal middle ear status were recruited.

Results: There were no clinically significant differences between probe-microphone and predicted earmold IPL wRECD measurements between 500 and 2500 Hz. Above 5000 Hz, the predicted earmold IPL wRECD exceeded earmold SPL wRECDs due to lack of standing wave interference. Test-retest reliability of IPL wRECD measurement exceeded the reliability of earmold SPL wRECD measurement across all assessed frequencies, with the greatest improvements in the high frequencies. The acoustically measured tubing length correction largely accounted for acoustic effects of the participant's earmold.

Conclusions: IPL-based measurements provide a promising alternative to probe-microphone earmold wRECD procedures. Predicted earmold IPL wRECD is measured without probe-microphone placement, agrees well with earmold SPL wRECDs and is expected to extend the valid bandwidth of wRECD measurement.

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来源期刊
International Journal of Audiology
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.
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