Depthrow: A Physics-based Audio Game
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We present an interactive audio game designed around the auditory perception of distance and the use of physics-based models for simulations of the dynamics, the sound source, and the acoustical environment. The game consists in throwing a virtual sound- ing object inside a virtual open-ended tube which is inclined. The task is to keep the object inside the tube, in other words the user should adjust the initial velocity applied to the object such that the latter does not fall out at the far end of the tube. The position of the object inside the tube is provided by continuous audio feedback. User performance is closely related to its ability to perceive the dynamic distance of the object in the virtual tube. Therefore, this game represents a potential tool for exploring the usability of auditory distance information in interaction design.