This paper describes a method for creating multi-user shared augmented reality audio spaces. By using a system of infrared cameras and motion capture software, it is possible to provide accurate low-latency head tracking for many users simultaneously, and stream binaural audio representing a realistic, shared virtual environment to each user. Participants can thus occupy and navigate a shared virtual aural space without the use of head-mounted displays, only headphones (with passive markers affixed) connected to lightweight in-ear monitor beltpacks. Potential applications include installation work, classroom use, and museum audio tours.
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