HEAD acoustics GmbH (http://www.head-acoustics.de) was founded in 1986 in order to establish head related measurement techniques in the market. Today the company has more than 100 employees worldwide with the headquarter being located in Herzogenrath. The three subsidiary companies of HEAD acoustics GmbH are HEAD acoustics Inc. (USA), HEAD acoustics S.A.R.L (F) and HEAD acoustics KK (Japan). Products of HEAD acoustics are recording systems (HMS, BHM, BEQ), analysis systems NVH applications (ArtemiS, SQlab) and telecommunication (ACQUA), play back systems (HPS, SoundCar), all in one systems (NoiseBook) and simulation tools (H3S, Pass-by, Prons, etc.). Mayor fields of applications are binaural recording and playback, multi channel recording and analysis, system analysis, troubleshooting, sound design, modelling and simulation as well as virtual reality applications and speech quality assessment. HEAD acoustics also comprises a well equipped NVH Consulting team (4 wheel chassis dynamometer, vehicle test chamber, engine test rig, anechoic chamber, etc.) working on national and international projects.