Infrasonic and low-frequency insert earphone hearing threshold

被引：25
|
作者：
Kuehler, Robert [1 ]
Fedtke, Thomas [1 ]
Hensel, Johannes [1 ]
机构：
[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2015年 / 137卷 / 04期
关键词：
TONES; EAR;
D O I：
10.1121/1.4916795
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Low-frequency and infrasonic pure-tone monaural hearing threshold data down to 2.5 Hz are presented. These measurements were made by means of a newly developed insert-earphone source. The source is able to generate pure-tone sound pressure levels up to 130 dB between 2 and 250 Hz with very low harmonic distortions. Behavioral hearing thresholds were determined in the frequency range from 2.5 to 125 Hz for 18 otologically normal test persons. The median hearing thresholds are comparable to values given in the literature. They are intended for stimulus calibration in subsequent brain imaging investigations. VC 2015 Acoustical Society of America
引用
收藏
页码：EL347 / EL353
页数：7
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