Publication detail

Transmission Properties of Outer Ear Canal

DUŠEK, D. PELLANT, K.

Czech title

Přenosové vlastnosti zevního zvukovodu

English title

Transmission Properties of Outer Ear Canal

Type

conference paper

Language

en

Original abstract

The analysis of pressures calculated in front and behind the TM for approximate model of EAC in the shape of cylinder with the widen part base shows that the EAC acoustics might contribute to understanding of increase hearing sensitivity at man in 2 kHz frequency range. The calculations support hypothesis of possible EAC contribution to in 2 – 4 kHz frequency affection in the noise induced hearing loss. Contemporary level of mathematic modeling by the finite element method enables define rather exactly the acoustic pressure level distribution in the EAC in relativity of its geometry and physical – mechanical character of terminal layers. According to the calculating it seems probable that the EAC influence the spectral composition of mechanical energy, which is transformed in to the areas of middle and inner ear.

Czech abstract

Z analýzy hodnot tlaků před bubínkem a za bubínkem je vypočítávána maticovou metodou charakteristika budící síly působící na bubínek.

English abstract

The analysis of pressures calculated in front and behind the TM for approximate model of EAC in the shape of cylinder with the widen part base shows that the EAC acoustics might contribute to understanding of increase hearing sensitivity at man in 2 kHz frequency range. The calculations support hypothesis of possible EAC contribution to in 2 – 4 kHz frequency affection in the noise induced hearing loss. Contemporary level of mathematic modeling by the finite element method enables define rather exactly the acoustic pressure level distribution in the EAC in relativity of its geometry and physical – mechanical character of terminal layers. According to the calculating it seems probable that the EAC influence the spectral composition of mechanical energy, which is transformed in to the areas of middle and inner ear.

Keywords in English

Ear, sound transfer function, modeling, ANSYS, matrix method

RIV year

2001

Released

01.09.2001

Publisher

CERN

Location

Třešť

ISBN

80-7204-207-6

Book

Mechatronics, Robotics and Biomechanics

Pages count

8

BIBTEX


@inproceedings{BUT4357,
  author="Daniel {Dušek} and Karel {Pellant},
  title="Transmission Properties of Outer Ear Canal",
  booktitle="Mechatronics, Robotics and Biomechanics",
  year="2001",
  month="September",
  publisher="CERN",
  address="Třešť",
  isbn="80-7204-207-6"
}