Point and Listen: Bringing a 3D Map to Life with Audio-Based AR

We describe an inexpensive and versatile approach that uses audio-based AR to turn a standard 3D map, such as a relief map or 3D printed map, into an interactive one. Audio-based AR enables the creation of audio labels: when the user points at a specific location on the map, information about it is read aloud. In our application, which is a 3D map of a playground, such information might include the name and description of a play structure on the map.