Even the most vivid film or video-game sounds can sound “in our head” through a pair of headphones. What is it about the sound that tells us where it is coming from? And what technological solutions are needed to make auditory illusions as immersive as real life? We look at existing technology and the resourceful auditory system that it tries to trick as well as the future developments that could be mainstream within the next few years. Arrive early to experience the immersive sounds of the Sonic Lab.