Innovative Acoustic Elements

Innovative Acoustic Elements

Porous Recycling Glass
Porous Recycling Glass

Porous Recycling Glass

Recycled waste glass with adjustable micro- and macro-porous fabric for high sound absorption with little thermal conduction. This lightweight non-combustible absorber can be used for screens, casings, suspended ceilings or noise barriers.

Licensee, know-how and cooperation partner:
liaver, sto

Slotted Absorber
Slotted Absorber

Slotted Absorber

Sound absorber with reverberant lamellar cover sheets, optimally tunable for medium frequencies (250 - 500 Hz), appropriate for the use in heating and air conditioning systems because of a stable type of construction.

Licensee, know-how and cooperation partner:
KW

Compound Panel Absorber
Compound Panel Absorber

Compound Panel Absorber

Acoustic design for ambitious rooms. This multi-functional acoustic module is a slender absorber for low frequencies to under 50 Hz with a metallic surface to be coated in various ways.

Licensee, know-how and cooperation partner:
FAIST, RENZ

Broadband Compact Absorber
Broadband Compact Absorber

Broadband Compact Absorber

This highly absorbant, non-abrasive module is used for example as space-saving wall lining of anechoic acoustic measurement chambers with accuracy class 1 according to ISO 3745 from 50 to 8000 Hz.

Licensee, know-how and cooperation partner:
FAIST, RENZ
 

Asymmetrically Structured Absorber
Asymmetrically Structured Absorber

Asymmetrically Structured Absorber

This absorber is used as a slender, porous lining for anechoic chambers and has a high absorption capacity (> 99 percent) and a high reflexion (> 70 percent).

Licensee, know-how and cooperation partner:
FAIST

Angular Stack Silencer
Angular Stack Silencer

Angular Stack Silencer

The sound absorber is directly integrated in the stack and has high damping capabilities to under 50 Hz without any additional pressure loss. The smooth metal surface can be easily cleansed.

Licensee, know-how and cooperation partner:
Niessing

Pipe Sound Absorber
Pipe Sound Absorber

Pipe Sound Absorber

The sound absorber is integrated in the stack and effective against low-frequency noise. Space-saving construction allows a high damping capactiy without any pressure loss.

Licensee, know-how and cooperation partner:
KW, Niessing

Active Sound Absorber Cassette
Active Sound Absorber Cassette

Active Sound Absorber Cassette

This active resonance absorber for ventilation ducts allows a high attenuation at low frequencies. It is available as modular system with small cassettes (10 liters).


Licensee, know-how and cooperation partner:
TechnoFirst

Active Branch Resonator
Active Branch Resonator

Active Branch Resonator

This active resonance absorber for exhaust ducts allows a high attenuation at low frequencies. it is a temperature-resistant modular system and powered by direct current.

Licensee, know-how and cooperation partner:
KW

Micro-Perforated Artificial Glass Absorber
Micro-Perforated Artificial Glass Absorber

Micro-Perforated Acrylic Glass Absorber

The optimum capacity in the medium frequency range of 125 Hz to 1 kHz of this micro-perforated self-cleaning absorber is exactly calculable. It can be optically integrated in the interior design without influencing transparency.

Licensee, know-how and cooperation partner:
Fritz, normalu BARRISOL

Micro-Perforated Foil Absorber
Micro-Perforated Foil Absorber

Micro-Perforated Foil Absorber

This absorber is used as transparent sound absorber with inherent attenuation. Improved acoustics allow transparency and architectural design.

Licensee, know-how and cooperation partner:
NIMBUS, normalu BARRISOL

Micro-Perforated Automobile Absorber
Micro-Perforated Automobile Absorber

Micro-Perforated Automobile Absorber

This absorber is an alternative acoustic material with a quasi-closed surface for the automotive industry. Absorption is exactly calculable.

Micro-Perforated Glass Absorber
Micro-Perforated Glass Absorber

Micro-Perforated Glass Absorber

Fine-perforated flat glass with exactly adjustable sound absorption allows acoustically highly effective, totally transparent offsets for windows and facades, which can be easily cleaned.

Licensee, know-how and cooperation partner:
AKUSTIK + RAUM

OLYMPUS DIGITAL CAMERA

Mobile Noise Control Elements

Inflatable membrane elements provide effective noise reduction in case of temporary noise sources. They are lightweight, robust and have been tested in the field, for example at constructions sites and open-air events. Their audible effect can be compared with massive sound screens.

Licensee, know-how and cooperation partner:
CENOTEC

Absorber Stripes

Flush-integrated absorber strips applied in thermally activated concrete ceilings help to make use of specific grating effects to improve the room acoustics, while barely influencing the thermal behavior and appearance of ceiling

Licensee, know-how and cooperation partner:
INNOgration

Fraunhofer IBP Klangwelten. Fotografie Akkustikabteilung und Laser

Rim Absorber

Micro-perforated absorber integrated into the rim to attenuate the tire cavity resonances.

Licensee, Know-how and cooperation partner: Daimler

Licensee, know-how and cooperation partners: