VARI-SOUND - A Varifocal Lens for Sound

Explore a groundbreaking 22-minute conference talk from the ACM CHI Conference on Human Factors in Computing Systems that introduces VARI-SOUND, an innovative acoustic meta-surface technology. Discover how 3D printed acoustic devices can revolutionize sound manipulation, offering solutions akin to optical lenses for audio. Learn about key acoustic devices like the "collimator" and "magnifying glass," and their potential applications in creating immersive sound experiences. Delve into the development of an acoustic varifocal lens and its implications for VR audio and auto-focus camera equivalents. Gain insights into the design principles, limitations, and future possibilities of this cutting-edge technology that aims to transform how we interact with and experience sound in various environments.