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Sound in air

Working group 1.61

Contact person


Dr.-Ing. Thomas Fedtke
Head of the working group

Audiometers, headphones, artificial ears and mastoids, DKD assessment, microphones, sound sources placed close to the ear, artificial heads

E-Mail: thomas.fedtke(at)ptb.de
Tel. +49 531 592-1511
Fax +49 531 592-69 1511






Working group 1.61 Sound in air
Physikalisch-Technische Bundesanstalt
Bundesallee 100
D-38116 Braunschweig