The book, edited by Catharina Dyrssen, draws on coclusions from two larger artistic research project on urban sound environments, sound art, acoustic space, and spatial aspects of sound. The chapters comprise reflections on sound quality ans sound awareness, sound design and audio editing, technical solutions for artistic problems, and how sound can be composed and used in architectural and urban design. In text and images the four authors discuss a number of investigative projects performed within the artistic and interdisciplinary research group Urban Sound Institute.