Sound Ball Creation (image) The Korea Advanced Institute of Science and Technology (KAIST) Share Print E-Mail Caption The sound ball system is a technology that installs virtual speakers by utilizing multiple loudspeakers to concentrate acoustic energy temporally and spatially into a spot where the loudspeakers do not exist physically. The virtual speakers then reproduce a desired sound field perceived by the listener. Credit KAIST Acoustics & Vibrations Lab Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.