Telepresence is the facility to meet, interact, and communicate in a shared virtual space where elements of that space can take input from multiple remote locations. Such environments, currently under investigation at BT Labs, include a synthesis of spatial 3-D audio integrated within an interactive video environment. A video image of the user provides location and gesture inputs to the system and techniques are described to implement and assess the tracking bounds on dynamic control of the spatial audio sweet spot to match user location.
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