Nonlinearity in eardrum vibration as a function of frequency and sound pressure

JRM Aerts, JJJ Dirckx - Hearing research, 2010 - Elsevier
It is generally accepted that the middle ear acts mainly as a linear system for sound
pressures up to 130dB SPL in the auditory frequency range. However, at quasi-static …

Performance and testing of a four channel high-resolution heterodyne interferometer

JJJ Dirckx, HJ Van Elburg, WF Decraemer… - Optics and lasers in …, 2009 - Elsevier
When studying complex vibrations, simultaneous measurements at several points are
indispensable if one is dealing with objects whose vibrational behavior is not guaranteed to …

Human middle-ear nonlinearity measurements using laser Doppler vibrometry

K Gladiné, PGG Muyshondt, JJJ Dirckx - Optics and Lasers in Engineering, 2017 - Elsevier
It has long been supposed that the middle-ear has near to perfect linear characteristics, and
several attempts have been made to investigate this hypothesis. In conclusion, the middle …

Noise level estimation in weakly nonlinear slowly time-varying systems

JRM Aerts, J Lataire, R Pintelon… - … Science and Technology, 2008 - iopscience.iop.org
Recently, a method using multisine excitation was proposed for estimating the frequency
response, the nonlinear distortions and the disturbing noise of weakly nonlinear time …

Optical measurement of the weak non-linearity in the eardrum vibration response to auditory stimuli

J Aerts - 2010 - search.proquest.com
The mammalian hearing organ consists of the external ear (auricle and ear canal) followed
by the middle ear (eardrum and ossicles) and the inner ear (cochlea). Its function is to …

Tympanic membrane pressure buffering function at quasi-static and low-frequency pressure variations

WHM Salih, PGG Muyshondt, JJJ Dirckx - Hearing Research, 2017 - Elsevier
Deformation of the tympanic membrane is known to contribute to the pressure regulation
processes in the middle ear cleft. In this paper we investigated pressure variations in the …

Laser Doppler velocimetry for measurement of nonlinearity in the vibrations of the middle ear

J Peacock, J Dirckx - AIP Conference Proceedings, 2014 - pubs.aip.org
At audible Frequencies and at sound pressure below 96 dB SPL the mammalian middle ear
is known to behave as an almost entirely linear system. However, as we go to higher sound …

Mechanics of the middle ear: optical measurements and finite-element modeling

K Gladiné - 2019 - repository.uantwerpen.be
The middle ear plays a crucial role in our ability to hear and performs very well under
various circumstances. However, some pathologies or situations prohibit the middle ear from …

A Study on Imbalanced Sound Sensitivity of BA Earphones Inducing Deafness

EY Yi, MS Kim, MJ Bae - Advanced Materials Research, 2014 - Trans Tech Publ
One of the popular ways to use smartphones in public places without disturbing others is to
use them with earphones. Earphones are used by people of all ages for listening to music …

Laser vibrometry for measurement of nonlinear distortions in the vibration of weakly nonlinear slowly time-varying systems

JRM Aerts, D De Greef, J Peacock… - 22nd Congress of the …, 2011 - spiedigitallibrary.org
Recently, a new signal analysis method was developed to detect small non-linear distortions
in weakly non-linear systems using specially designed broadband excitation signals, ie odd …