Miniaturized impulse noise dosimeter to test and avoid hearing impairment in humans

This joint project deals with the development of a new miniaturized high-level impulse microphone system with a signal processing unit to enable investigations of impulse-noise-induced hearing impairment in humans. The high level microphone will be designed so that, like a dosimeter, it can be worn close to the ear and can record noise phenomena. This makes it possible to record and evaluate noise levels which can damage hearing which people are exposed to in everyday life. The dosimeter can record impulse levels up to 180dB. As a comparison, the pain threshold of the human hearing is 120 dB – 130 dB. Until now highly dynamic acoustic phenomena (bangs) in particular, could only be recorded using complex methods, as inexpensive microphones can only measure up to a level of approx. 140 dB.

Duration of Project:
2010 - 2013 (extended until 30.09.2014)

Funding:
The project was funded by the BMBF through the FHprofUnt programme, FKZ 17027B10.

Project Partners

Furtwangen University (Overall coordination)
Hochschule Aalen, Studiengang Hörakustik
Universitätsklinikum Marburg-Gießen, AG Hörforschung
Hessen Ministry of Culture, Department of Education and Health
as well as several cooperating industrial firms

Project Leader
Prof. Dr. Ulrich Mescheder

Contact

Prof. Dr. Dirk Benyoucef
Faculty of Mechanical and Medical Engineering
Dean of Studies Electrical Engineering (Bachelor)
Tel: +49 (0)7723 920-2342
Furtwangen Campus, Room B 2.05
Email: bed(at)hs-furtwangen.de