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References Navigation arrow Authors Navigation arrow Brid O'Conaill
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Brid O'Conaill

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Publications by Brid O'Conaill (bibliography)

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» 1997 «

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Thimbleby, Harold, O'Conaill, Brid and Thomas, Peter J. (eds.) Proceedings of the Twelfth Conference of the British Computer Society Human Computer Interaction Specialist Group - People and Computers XII August, 1997, Bristol, England, UK.

» 1993 «

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O'Conaill, Brid, Whittaker, Steve and Wilbur, Sylvia (1993): Conversations Over Video Conferences: An Evaluation of the Spoken Aspects of Video-Mediated Communication. In Human-Computer Interaction, 8 (4) pp. 389-428

“Recent trends toward telecommuting, mobile work, and wider distribution of the work force, combined with reduced technology costs, have made video communications more attractive as a means of supporting informal remote interaction. In the past, however, video communications have never gained widespread acceptance. Here we identify possible reasons for this by examining how the spoken characteristics of video-mediated communication differ from face-to-face interaction, for a series of real meetings. We evaluate two wide-area systems. One uses readily available Integrated Services Digital Network (ISDN) lines but suffers the limitations of transmission lags, a half-duplex line, and poor quality video. The other uses optical transmission and video-switching technology with negligible delays, full duplex audio, and broadcast quality video To analyze the effects of video systems on conversation, we begin with a series of conversational characteristics that have been shown to be important in face-to-face interaction. We identify properties of the communication channel in face-to-face interaction that are necessary to support these characteristics, namely, that it has low transmission lags, it is two way, and it uses multiple modalities. We compare these channel properties with those of the two video-conferencing systems and predict how their different channel properties will affect spoken conversation. As expected, when compared with face-to-face interaction, communication using the ISDN system was found to have longer conversational turns; fewer interruptions, overlaps, and backchannels; and increased formality when switching speakers. Communication over the system with broadcast quality audio and video was more similar to face-to-face meetings, although it did not replicate face-to-face interaction. Contrary to our expectations, formal techniques were still used to achieve speaker switching. We suggest that these may be necessary because of the absence of certain speaker-switching cues. The results imply that the advent of high-speed multimedia networking will improve but not remove all the problems of video conferencing as an interpersonal communications tool, and we describe possible solutions to the outstanding problems.”

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Changes to this page (author)

23 Feb 2010: Enabled abstracts to be shown on Brid O'Conaill's author page.
28 Apr 2003: Added the author to the bibliography

Publication statistics

Publication period:1993-1997
Publication count:2
Number of co-authors:4



Productive colleagues

Brid O'Conaill's 3 most productive colleagues in number of publications:

Steve Whittaker:54
Harold Thimbleby:52
Peter J. Thomas:14


Collaboration count

Number of publications with 3 favourite co-authors:

Peter J. Thomas:1
Harold Thimbleby:1
Sylvia Wilbur:1

 

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Mar 21

“ Software design is the act of determining the user's experience with a piece of software. It has nothing to do with how the code works inside, or how big or small the code is. The designer's task is to specify completely and unambiguously the user's whole experience. ”

-- David Liddle, From Bringing Design to Software, edited by Terry Winograd, 1996 ”

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