- Consultancy, expert reports and surveys
- Planning for room acoustic measures
- CAD supported computer simulation
(CATT-Acoustic v7) for room acoustics
- Computer simulation of noise propagation
in rooms
- Electroacoustic planning and
surveys of sonication sources
- Electroacoustic testing and
conclusive measurements

Room acoustic measures in a classroom

Sound absorbing materials
on ceilings and rear walls

Reverberation times before and after introduction of measures

Noise reduction: further salient points