Services

Building acoustics
 
Accredited as per ISO 17025 as Test Laboratory STS 0068

Airborne sound insulation: in test facility (ISO 10140); ISO 717-1

  • walls
  • windows
  • glazing
  • door leaves
  • acoustically insulated windows

Impact sound insulation: in test facility (ISO 10140); ISO 717-2

  • floating floors
  • carpets

Absorption: Reverberation Chamber Method ISO 354

  • sound absorbers for room acoustic applications
  • sound barriers

Installation Noises: in test facility

  • room ventilation noises
  • washing machines
  • ….

Contact persons
Dr. Stefan Schoenwald, Building Acoustics Lab Manager
Urs Pachale, Scientist
 
Sound power

  •  Sound Pressure Method: ISO 3744; 3746; 3747  
  • Sound Intensity Method: ISO 9614-1; 9614-2

Contact person
Kurt Eggenschwiler, Senior Scientist
 
 
Investigations into Room Acoustics

  • Calculations for optimizing sound absorbers
  • Acoustic measurement in rooms (IS0 3382), room aocustic simulations

Contact person
Kurt Eggenschwiler, Head of Laboratory, Room Acoustics, Environmental Acoustics, Aircraft Noise, Lecturer at ETH Zurich
 
Environmental acoustics

  • Calculation of aircraft noise using the laboratory's own FLULA2 software
  • Calculation of noise propagation taking into account weather effects
  • Exact wave theory-based calculations (finite difference in time domain method, FDTD)
  • Demanding special investigations and expert assessments

Contact persons
Dr. Jean Marc Wunderli, Head of Laboratory, Group Leader Environmental Acoustics, Lecturer at ETH Zurich
Dr. Beat Schäffer, Aircraft Noise, psychoacoustics

 

Complaints
Complaints about services are received by the head of lab. Upon request, the head of lab also provides information on the procedure for dealing with complaints in the lab.