The core activity of Trefzer Rosa + Partner GmbH is consulting and conducting measurements in the field of acoustics and vibration technology, particularly in the areas of: noise assessments and noise reduction for companies and municipalities, analysis and reduction of industrial noise in factory halls and workplaces, acceptance measurements in public transport, assessment of noise and vibration emissions from roads and railways, investigation of vibration and structure-borne sound propagation in buildings and vehicles, measurement and analysis of machine noise. The company thus offers comprehensive services in the field of noise control and vibration technology.