MEDIATED MEETING INTERACTION FOR TELECONFERENCING (FriPmOR4)

Author(s) : Kazumasa Murai (Fuji Xerox Co., Ltd., Japan) Don Kimber (FXPAL, United States of America) Jonathan Foote (FXPAL, United States of America) Qiong Liu (FXPAL, United States of America) John Doherty (FXPAL, United States of America)

Abstract : A common problem with teleconferences is awkward turn-taking, particularly ecollisionsf whereby multiple parties inadvertently speak over each other due to communication delays. We propose a model for teleconference discussions including the effects of delays, and describe tools that can improve the quality of those interactions. We describe an interface to gently provide latency awareness, and to give advanced notice of eincoming speechf to help participants avoid collisions. This is possible when codec latencies are significant, or when a low bandwidth side channel or out-of-band signaling is available with lower latency than the primary video channel. We report on results of simulations, and of experiments carried out with trans-pacific meetings, that demonstrate these tools can improve the quality of teleconference discussions.

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