A miniaturized artificial mastoid using a skull simulator
A miniaturized artificial mastoid using a skull simulator
复制标题
DOI：
10.1080/010503998420306
复制
发表时间：
1998-01-01
期刊：
影响因子：
--
通讯作者：
Hakansson, BEV
中科院分区：
文献类型：
--
作者：
Stenfelt, SPY;Hakansson, BEV
一种具有尺寸和重量的微型人工乳突已经被开发出来，它可以在传统的听力隔音盒中校准和测量骨传导助听器。其机械阻抗水平在250赫兹至8千赫的频率范围内符合标准IEC 373(1990)。小型化人工乳突由三部分组成：耦合器、颅骨模拟器(TU-1000)和外置电动矫正过滤器。Soupier是一种高度阻尼的质量弹簧系统，旨在根据IEC 373(1990)标准提供小型化人工乳突的机械阻抗。结果发现，小型化人工乳突的结果与Bruel&Kjaer4930型人工乳突在350赫兹以上频率下的结果一致。因此，在这些频率下，微型人工乳突可以用于听力计校准以及骨传导助听器的测量。
A miniaturized artificial mastoid of size and weight that allow calibration and measurement of bone conduction hearing aids in a conventional audiometric soundproof box has been developed. Its level of mechanical impedance corresponds to the standard IEC 373 (1990) within the frequency range 250 Hz to 8 kHz. The miniaturized artificial mastoid consists of three parts: coupler, skull simulator (TU-1000), and an external electrical correction filter. The soupier is a highly damped mass-spring system designed to give the miniaturized artificial mastoid mechanical impedance in accordance with the standard IEC 373 (1990). It was found that the miniaturized artificial mastoid yielded results that are in correspondence with results obtained with the Bruel & Kjaer type 4930 artificial mastoid for frequencies above 350 Hz. Thus, at these frequencies, the miniaturized artificial mastoid can be used for audiometer calibration as well as measurement of bone conduction hearing aids.