Dirks D D, Kincaid G E
UCLA School of Medicine, Division of Head and Neck Surgery, (Audiology).
Ear Hear. 1987 Oct;8(5 Suppl):60S-67S. doi: 10.1097/00003446-198710001-00002.
This publication contains a review of several acoustic investigations in which the effects of probe location on real-ear gain were examined through theoretical models based on acoustic properties of the average human ear and ear simulator studies. The results of these investigations are used to demonstrate the effect of standing waves and eardrum impedance on probe measurements made in the ear canal. Investigations were also conducted in the sound field with a KEMAR manikin. A commercial probe microphone system was used to measure the SPL and real-ear gain at various locations with the KEMAR ear canal. The results emphasize the critical effect of probe location on absolute or relative ear canal measurements and indicate the necessity to establish clinical procedures for probe measurements based on relevant acoustic principles.
本出版物包含对多项声学研究的综述，其中通过基于人耳平均声学特性的理论模型以及耳模拟器研究，考察了探头位置对真耳增益的影响。这些研究结果用于证明驻波和鼓膜阻抗对耳道内探头测量的影响。还使用KEMAR人体模型在声场中进行了研究。使用商用探头麦克风系统在KEMAR耳道的不同位置测量声压级和真耳增益。结果强调了探头位置对耳道绝对或相对测量的关键影响，并表明有必要根据相关声学原理建立探头测量的临床程序。
