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The Effects of Text-to-Speech System Quality on Emotional States and Frontal Alpha Band Power
Citation key arndt2013a
Author Arndt, Sebastian and Antons, Jan-Niklas and Gupta, Rishabh and Laghari, K. and Schleicher, Robert and Möller, Sebastian and Falk, Tiago H.
Title of Book 2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)
Pages 1–4
Year 2013
ISSN 1948-3546
DOI 10.1109/NER.2013.6695978
Location San Diego, CA, USA
Month nov
Note Electronic/online
Publisher IEEE
How Published Full
Abstract The tolerance limit for acceptable multimediaquality is changing as more and more high quality servicesapproach the market. Thus, negative emotional reactions toward slow quality services may cause user disappointment and are likely to increase churn rate. The current study analyzeshow different levels of synthetic speech quality, obtained from different text-to-speech (TTS) systems, affect the emotional response of a user. This is achieved using two methods: subjective, by means of user reports; and neurophysiological by means of electroencephalography (EEG) analysis. More specifically, we analyzed the frontal alpha band power and correlated this with the subjective ratings based on the Self-Assessment Manikin scale. We found an increase in neuronal activity in the left frontal area with decreasing quality and argue that this is due to user disappointment with low quality TTS systems as they become harder to understand.
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