Fraunhofer-Institut für Bauphysik, Stuttgart, Germany
Acoustic test bench
Project Facts
Year
2007
Duration
3 years
Competencies
Turnkey engineering
- Hall dimensions: 23.7 m x 18.8 m x 6.4 m (l x w x h)
- Acoustic free field conditions from 40 Hz
- Quiet level: 30 dB(A)
- Hall ventilation: 42,000 m³/h
- Airstream: 40.000 m³/h
- 2 x 32 microphones at 7.5 m from the centre for simulated pass-by
- Low-reflection room with reverberant floor (semi-open field)
- Wall cladding with broadband compact absorbers
- Ceiling cladding with asymmetrical structural absorbers
- Plastic coating of the floor
- Floor container for measurement technology
- Ceiling opening for storing the exterior noise pallet
- Interchangeable coverings/coatings
