Audio Narrowcasting and Privacy for Multipresent Avatars on Workstations and Mobile Phones

Authors:
Owen Noel Newton Fernando;Kazuya Adachi;Uresh Duminduwardena;Makoto Kawaguchi;Michael Cohen
Affiliations:
The authors are with the Spatial Media Group at the University of Aizu, Aizu-Wakamatsu-shi, 965--8580 Japan. E-mail: d8052101@u-aizu.ac.jp;The authors are with the Spatial Media Group at the University of Aizu, Aizu-Wakamatsu-shi, 965--8580 Japan. E-mail: d8052101@u-aizu.ac.jp;The authors are with the Spatial Media Group at the University of Aizu, Aizu-Wakamatsu-shi, 965--8580 Japan. E-mail: d8052101@u-aizu.ac.jp;The authors are with the Spatial Media Group at the University of Aizu, Aizu-Wakamatsu-shi, 965--8580 Japan. E-mail: d8052101@u-aizu.ac.jp;The authors are with the Spatial Media Group at the University of Aizu, Aizu-Wakamatsu-shi, 965--8580 Japan. E-mail: d8052101@u-aizu.ac.jp
Venue:
IEICE - Transactions on Information and Systems
Year:
2006

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Abstract

Our group is exploring interactive multi- and hypermedia, especially applied to virtual and mixed reality multimodal groupware systems. We are researching user interfaces to control source→sink transmissions in synchronous groupware (like teleconferences, chatspaces, virtual concerts, etc.). We have developed two interfaces for privacy visualization of narrowcasting (selection) functions in collaborative virtual environments (CVES): for a workstation WIMP (windows/icon/menu/pointer) GUI (graphical user interface), and for networked mobile devices, 2.5- and 3rd-generation mobile phones. The interfaces are integrated with other CVE clients, interoperating with a heterogeneous multimodal groupware suite, including stereographic panoramic browsers and spatial audio backends & speaker arrays. The narrowcasting operations comprise an idiom for selective attention, presence, and privacy--- an infrastructure for rich conferencing capability.