Rethinking video as a technology for interpersonal communications: theory and design implications
International Journal of Human-Computer Studies
Impact of video-mediated communication on simulated service encounters
Interacting with Computers
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The aim of this research is to assess and establish quality thresholds for real-time Internet audio and video. Real-time multimedia conferencing over the Internet has huge potential, but there are limitations to the quality of audio and video that can be achieved, due to bandwidth limitations and the processing power of individual workstations. Assessing the effects of these limitations on the conference participant is not straightforward. The novel types of degradation found over the Internet means that existing speech and video quality assessment methods may not be applicable to multimedia conferencing experiences. This PhD will assess existing tests for measuring perceived quality from the psychology and telecommunications literature with respect to multimedia conferencing. The long term aim is to produce guidelines as to required bandwidth and quality for different multimedia conferencing tasks and applications.