Y. Kanada (Japan)
Conference control, floor control, multi-context conferenc ing, conference policy, IP telephony, virtual space.
A new voice communication medium, which the author calls "voiscape", will probably appear in near future. Voiscape shall have much improved user interface than the conven tional voice communication systems, i.e., telephone and conference systems, and be based on the IP-based confer encing and spatial audio technologies. The author has de veloped a prototype toward voiscape, which has made a step toward solving two problems of the conventional systems i.e., complicated and restricted conference control and lack of crossed-over multi-context support, by introducing two features. The first function is the virtual-location based communication; i.e., the users can talk with other users and move, in a way similar to face-to-face conversation, in a virtual auditory space created by spatial audio technology without explicit session and floor control. The second func tion is personalized policy-based communication control; i.e., the users can specify communication policies that pro tects their privacy and reduce required resources. This func tion is enabled by a distributed policy-arbitration mechanism. Experiments showed that the basic mecha nisms and the policy-based control with a simple policy worked well.
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