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苹果EarPods的参考等效阈值声压级。

Reference equivalent threshold sound pressure levels for Apple EarPods.

作者信息

Ho Cheng-Yu, Li Pei-Chun, Young Shuenn-Tsong

机构信息

Holistic Education Center, Mackay Medical College, No. 46, Section 3, Zhongzheng Road, Sanzhi District, New Taipei City 25245, Taiwan

Department of Audiology and Speech-Language Pathology, Mackay Medical College, No. 46, Section 3, Zhongzheng Road, Sanzhi District, New Taipei City 25245, Taiwan

出版信息

J Acoust Soc Am. 2017 Feb;141(2):EL115. doi: 10.1121/1.4976110.

Abstract

Reference equivalent threshold sound pressure levels (RETSPLs) are used when calibrating audiometric equipment to a hearing threshold level of zero at various frequencies. To the best of the authors' knowledge, the RETSPLs for Apple EarPods (MB770G) have not been reported, and so this study aimed to measure them. The hearing thresholds of 36 normal-hearing subjects (72 ears) were measured at 250, 500, 1000, 2000, 4000, and 8000 Hz, with the measurements being performed twice in 33 subjects (66 ears) for evaluating the test-retest reliability. This study provides Apple EarPod RETSPLs and shows significant Pearson's correlations (p < 0.001) with no significant Wilcoxon signed-rank test differences (p > 0.01), which confirm the test reliability.

摘要

在校准听力测量设备使其在不同频率下听力阈值水平为零时,需使用参考等效阈值声压级(RETSPLs)。据作者所知,苹果EarPods(MB770G)的RETSPLs尚未见报道,因此本研究旨在对其进行测量。对36名听力正常的受试者(72只耳朵)在250、500、1000、2000、4000和8000赫兹下测量听力阈值,33名受试者(66只耳朵)的测量进行了两次以评估重测信度。本研究提供了苹果EarPods的RETSPLs,并显示出显著的皮尔逊相关性(p < 0.001),且威尔科克森符号秩检验无显著差异(p > 0.01),这证实了测试的可靠性。

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