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Audio Narrowcasting and Privacy for Multipresent Avatars on Workstations and Mobile Phones
Owen Noel Newton FERNANDO Kazuya ADACHI Uresh DUMINDUWARDENA Makoto KAWAGUCHI Michael COHEN
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/01/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Section on Artificial Reality and Telexistence)
audibility permissions, chatspaces, groupware, mobile computing, multipresence, multiuser interface, narrowcasting (selection) functions, soundscape superposition, spatial sound, teleconferencing,
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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.