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Too Tired for Calling? A Physiological Measure of Fatigue Caused by Bandwidth Limitations
Citation key antons2012a
Author Antons, Jan-Niklas and Schleicher, Robert and Arndt, Sebastian and Möller, Sebastian and Curio, Gabriel
Title of Book 2012 Fourth International Workshop on Quality of Multimedia Experience
Pages 63–67
Year 2012
DOI 10.1109/QoMEX.2012.6263840
Location Yarra Valley, VIC, Australia
Address Piscataway, NJ, USA
Month jul
Publisher IEEE
Series QoMEX
Abstract Common methods to determine the quality of media rely on conscious ratings of a subject's opinion about the quality of presented stimuli. While such methods provide a reliable and valid means of determining quality, they provide little insight into the physiological processes preceding the quality judgment, which, however, may affect the subjective behavior, e.g., in terms of alertness or media usage duration. In this paper we used a non-intrusive physiological method, electroencephalography, to assess the cognitive state of subjects related to the quality of auditory speech stimuli. We show that users listening to degraded audio rated the quality lower in comparison to an undisturbed stimulus as expected and, in addition, got more fatigued during the 20 minute presentation. Indicators of the increased fatigue were Theta and Alpha frequencies of the electroencephalogram data. The results show that the perception of degraded media has long-term influences on physiological processes at the time scale of minutes which may immediately influence customer behavior.
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