IAC's World Class video shows test rooms which were built using a revolutionary new anechoic perforated metal wedge system - Metadyne - developed in IAC's acoustical laboratory. The sound absorbing perforated metal wedges offer practical advantages over those made from conventional fiberglass or foam - these include impact / fire-resistance, cleanablility, light reflection, repaintability and durability.

IAC reports a surge in the procurement of Metadyne Anechoic Test Rooms, as manufacturers around the world respond to demands for quieter products. - and to ensure compliance with domestic and international noise emission standards. IAC has completed or has on order more than 70 Anechoic Metadyne rooms for manufacturers, universities and institutions throughout the United States, Europe and the Pacific Rim. Metadyne Anechoic Test Rooms are being furnished for automobiles, truck cabs, fork-lifts, computers, microphones, speakers, construction equipment, transformers and other products or research work. In some cases customers are replacing wedges in existing test rooms with the new IAC alternative. An example of this is shown in the video - a sixteen-year old fiberglass wedge room was completely reconstructed for the UK's Rover Group using a striking combination of red and green colored Metadyne wedges,

Users of Metadyne Anechoic Rooms include Ford, General Motors, Chrysler, Perstorp, AP Products, Whirlpool - Singapore, American Axle, Arvin Muffler, Delphi-Luxembourg, Owens Corning Fiberglass and many others.

METADYNETM ANECHOIC TEST ROOMS
(photographed above)
Large Metadyne Pass-by Test Facility at Perstorp Components, MI permit evaluation of car noise as it would be perceived for automobiles approaching a listener and departing.

Industrial Acoustics Company (IAC), a pioneer in noise control, acoustical conditioning and acoustical engineering test facilities worldwide, has produced a new video featuring the semi-anechoic test rooms recently built for Rover, Nissan and Rank Xerox in the UK. The video shows how these companies carry out noise emissions testing on their products to make them quieter.