Presence and portrayal: video for casual home dialogues

Authors:
David J. Chatting;Josie S. Galpin;Judith S. Donath
Affiliations:
Broadband Applications Research Centre, Adastral Park, Martlesham Heath, Suffolk, UK;University of Nottingham, University Park, Nottingham, UK;MIT Media Laboratory, Cambridge, MA
Venue:
MULTIMEDIA '06 Proceedings of the 14th annual ACM international conference on Multimedia
Year:
2006

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Abstract

In this paper we present experimental results rating the experience of users conversing in a casual video/audio dialogue, in a simulated home environment. Here video-realistic images are problematic and prone to numerous "medium effects", such as unaligned eye-gaze, which can be misattributed as personal flaws. We tested three levels of manipulated video to see if they improved user's sense of: (a) presence, (b) portrayal and (c) preference. By blurring the background we found a manipulation that is both preferred and more efficiently coded than the original.