The Urban Sound Symposium is a conference dedicated to the challenges of sound and noise in urban environments. The main themes are urban sound planning and design, urban sound propagation and control, urban soundscape analysis and noise policy issues. It addresses an interdisciplinary audience of acousticians, architects and planners to discuss scientific findings as well as target-oriented mitigation concepts. The conference aims at fostering the exchange of practitioners and experts from around the globe that are confronted with urban sound in their professional activities.