This is a sound absorber covered with sound-reflecting lamellar panels; it can be optimally tuned to medium frequencies (250 - 500 Hz). Its robust design makes it ideal for use in products such as heating systems and air conditioning units.
License, know-how and cooperation partner: KUTZNER + WEBER
This highly absorbent, non-abrasive module is used, for example, as a space-saving lining for the walls of anechoic acoustic measurement chambers with precision Class 1 according to ISO 3745 from 50 to 8000 Hz.
License, know-how and cooperation partner: FAIST, RENZ
This absorber is used as a slender, porous lining for anechoic chambers and has a high absorption (> 99 percent) and reflection capacity (> 70 percent).
License, know-how and cooperation partner: FAIST
The optimum performance of this micro-perforated self-cleaning absorber in the medium frequency range of 125 Hz to 1 kHz is exactly calculable. It can be visually integrated into the interior design without influencing transparency.
License, know-how and cooperation partner: FRITZ, normalu BARRISOL
This sound absorber is fitted directly inside the flue. High sound absorption down to below 50 Hz without additional pressure loss. The smooth metal surfaces are easy to clean.
License, know-how and cooperation partner: NIESSING
The sound absorber is integrated into the flue and is effective against low-frequency noise. It's space-saving construction achieves high damping without any loss in pressure.
License, know-how and cooperation partner: KUTZNER + WEBER, NIESSING
This activated resonance absorber for ventilation ducts achieves high damping at low frequencies. It is available as modular system with small cassettes (10 liters).
License, know-how and cooperation partner: TECHNOFIRST
Recycled waste glass with a variable micro- and macro-porous structure for high sound absorption and low heat conduction. This light, non-flammable sound absorber can be used for screens, casings, suspended ceilings or noise barriers.
License, know-how and cooperation partner: LIAVER, STO
Acoustic design for demanding rooms. This multi-functional acoustic module is a slim low frequency absorber (down to below 50 Hz) with a smooth metallic surface that can be coated as required.
License, know-how and cooperation partner: FAIST, RENZ
This active resonance absorber for exhaust ducts achieves high damping at low frequencies. It is a temperature-resistant modular system which is powered by direct current.
License, know-how and cooperation partner: KUTZNER + WEBER
Inflatable membrane elements provide effective temporary noise control. They are light, robust and have been tested in the field, for example at construction sites, at open-air events and other sources of temporary noise. Their audible effect can be compared with solid sound screens.
License, know-how and cooperation partner: CENOTEC
A transparent sound absorber with inherent damping properties, which improves acoustics without affecting transparency or the architectural design.
License, know-how and cooperation partner: normalu BARRISOL, NIMBUS
This absorber is an alternative acoustic material with an almost-closed surface that has been developed for the automotive industry. Its absorption capacity is exactly calculable.
Finely perforated flat glass panel with precisely adjustable sound absorption. Acoustically highly effective, the completely transparent offsets are intended for use in front of windows and façades and are extremely easy to clean.
License, know-how and cooperation partner: AKUSTIK + RAUM
The absorber strips are integrated flush into thermally-activated concrete ceilings and make use of specific grating effects to improve the acoustics in a room with hardly any effect on the thermal behavior and appearance of the ceiling.
License, Know-how and cooperation partner: INNOgration
Micro-perforated absorber integrated into the rim to attenuate tire cavity resonance.
License, Know-how and cooperation partner: Daimler
Fraunhofer Institute for Building Physics IBP