b'Automotive & Transportation | Engineer InnovationFigure 2: Noise only Figure 3: Prominence ratio onlyWith an automotive reputation that goesranges from ambitious start-ups through back more than 70 years, HORIBA MIRAcomponent suppliers to globally has the relevant experience andestablished vehicle manufacturers.expertise to tackle such contemporary industry challenges. The company isUnderstanding sound and its originswell known for its proving ground, testThe NVH department at HORIBA MIRA facilities and engineering consultancyundertakes extensive analysis of the services. As Nick Fell, engineering andlevel and quality of sound within technology director, notes, The greatdifferent types of vehicles. Transfer path value we add is to understand andanalysis (TPA) is one of the fundamental define the targets that our customerstechniques used to measure interior and end users require, then devisenoise and vibration and break these technical solutions that deliver thosedown into contributory paths. When attribute requirements. microphones and vibration sensors are fitted to a car, it is possible to measure A member of the HORIBA Group, basedthe frequency response of the structure in Japan, HORIBA MIRA has 650 full-timeat different speeds and identify their employees and revenues of 65 millionexact source. Noise and vibration reach per year. Its international customer basethe driver either through the structure 73'