The picture shows Prof. Dr.-Ing. Hugo Fastl; Chair of Human-Machine Communication, Technical University of Munich in his Sound-Laboratory. (Image: Uli Benz / TUM) Image for press release: "Artificial Sounds for Traffic Safety" from 24.01.18. https://www.tum.de/nc/en/about-tum/news/press-releases/detail/article/34404/. May be freely used by reporters with proper attribution.