Abstract: Objectives: Wideband acoustic immittance (WAI) measurements are capable of evaluating middle ear performance over a wide range of frequencies relevant to human hearing. It is known that static pressure in the middle ear cavity affects sound transmission to the cochlea, but only a few data sets exist to quantify the relationship between middle ear transmission and pressure level. The p...

Objective To explore the clinical relationship between auditory neuropathy (AN) and nervous system diseases. Methods A total of 134 AN patients who were treated in our hospital from December 2011 to April 2016 were selected. Then 120 cases (240 ears) with complete data of pure tone audiometry and acoustic immittance test were selected as an AN1 group, which was compared with 30 patients (49 e...

The objective of the study is to explore effect an ear health exercise on hearing loss patients with nasopharyngeal carcinoma receiving radiotherapy. One hundred and seventeen diagnosed from June 2018 January 2020 were selected as research subjects randomly divided into three groups. Thirty-eight cases in experimental group 1 given for 6 months, 38 2 12 41 control only received education. group...

ABSTRACT Purpose To verify the responses of Evoked Otoacoustic Emissions by transient stimulus and distortion product in individuals with Ménière’s Disease. Methods Cross-sectional study a sample composed 60 individuals, aged 19 to 75 years, divided into two groups: group, 32 medical diagnosis disease, without other risks control group formed 28 cochlear loss Meniere’s age sex matched group. El...

A simple single parameter adjustable immittance concept designed with modular active devices, fabricated in I3T $25~0.35~\mu \text{m}$ 3.3 V CMOS process of ON Semiconductor, is introduced. The proposed devices employ an integer-order capacitor and specifically fractional-order capacitors (sometimes called constant phase elements). topology consists two elements, namely a linearly voltage opera...

Two different analyses of impedance data obtained from ultra-pure water allowed to equilibrate with the atmosphere have recently appeared. They both thus show much smaller low-frequency resistances than does ultra-pure water. Different fitting models were used in these analyses and led to appreciably different parameter estimates from their data fits. Their two “pure” water experimental data se...

OBJECTIVES Wideband acoustic immittance (WAI) measurements are capable of quantifying middle ear performance over a wide range of frequencies relevant to human hearing. Static pressure in the middle ear cavity affects sound transmission to the cochlea, but few datasets exist to quantify the relationship between middle ear transmission and the static pressure. In this study, WAI measurements of ...