Acoustic Control AB


Acoustic Control AB ( moved in May 1995 in its new office and laboratory in Täby/Stockholm, Sweden. On January 2008 the Tyréns AB bought Acoustic Control AB, which means that the Acoustic Control AB and the acousticians at Tyréns AB merged together. The staff now comprises 18 persons in Stockholm and almost 30 persons in entire Sweden. All members of the technical staff have university degrees related to sound and vibrations together with a thorough experience representing together almost 80 years in the field.
Acoustic Control has a complete in-house sound laboratory. The sound laboratory comprises a semi-anechoic room, a reverberation room and a transmission facility. Beside the edge technology like noise and vibration reduction, in-house acoustical laboratory measuring rooms, as well as advanced measuring technology and signal analysis, Acoustic Control are also active performing assignments within the fields of classical acoustics and noise control. This means assignments including e.g. abatement of noise from road and rail traffic, controlling external and internal transport noise. Computer calculation capabilities like ray-tracing technique for room acoustical analysis (RayNoise and ODEON), calculation of structural behavior using the Finite Element Method FEM (ANSYS). Acoustic Control are also users and distributors of CadnaA (Noise Mapping software) from DataKustik GmbH which is the major software in the field of environmental noise calculations.

In the field of road traffic noise, Acoustic Control has been performing noise mapping for Kungsholmen in central Stockholm as well as the entire western part of greater Stockholm. By their involvement in national research programs on tyre/road noise reduction (by STU/Vinnova) and by City of Gothenburg they have achieved thorough knowledge and insight in generating mechanisms, parameter influence and noise reduction techniques for the tyre/road system. One of the achievements is a new type of road surface, a so called poroelastic road surface, which has proven to give 5-10 dB(A) units of lower noise emission compared to a normal standard asphalt surface (e.g. ABT11 or SMA11). Another achievement is a specially deisgned tyre which in comparative measurements has been found to give 8 dB(A) units lower noise compared to an average noisy standard tyre (road surface: ABT16). Acoustic Control was coordinator of the QCITY EC research program ( They will act as co-ordinator also for the CITYHUSH project.


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