Wölfel is one of the leading suppliers of Noise Prediction & Noise Mapping Software to consulting engineers, public authorities, universities and industries world-wide. Other products include complete hardware/software systems for room acoustics measurements and software for assessment and rating of noise levels with quality-assured measurement of percentile levels. The combination of technical software for environmental and building acoustics, training courses, consulting services and R&D in the same fields are a major benefit for customers.