Extracting boundary conditions for sound propagation calculations using augmented reality. - Andreas Sporr; Brigitte Blank-Landeshammer; Christian H. Kasess; Gerwin H. S. Drexler-Schmid; Stephan Kling; Christian Köfinger; Holger Waubke; Christoph Reichl (Elektrotech. Informationstechnik, 2021)