Multimedia Conferencing and Telemeetings

With today’s technical possibilities, in particular, packet-based data transmission and high processing power, telephone and videoconferencing systems celebrate increasing interest. However, the success of such systems is essentially determined by the quality provided and experienced when using them. This is why a high need of appropriate assessment methods can currently be observed. Given the broad range of possible solutions, assessing QoE of so-called telemeetings becomes very difficult and brings along the need for a high degree of variability regarding assessment methods. Since multiple participants usually communicate via such systems, it is required to also investigate aspects of the interaction process and their influence on QoE. Furthermore, the multiparty situation enables users to directly perceive asymmetries in the equipment and in qualities provided from different sites, which affects the perceptual situation as well. This chapter is intended to explain the described challenges in detail and to give first insights into how they might be handled.

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