Acoustics is the science of mechanical waves in gases, liquids, and solids. It deals with the interaction between sounds, objects, humans and animals, including sound perception and production.

The Austrian Academy of Sciences Acoustics Research Institute (ARI) conducts application-oriented fundamental research in the field of acoustics. The ARI consists of four groups working in close collaboration to address these research demands. Each of the groups is active in both fundamental and applied research, aiming for scientific excellency, particularly in interdisciplinary projects.