Fraunhofer-Institut für Bauphysik

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