Less is (just as good as) more - an investigation of olfactory intensity and hedonic valence in mulsemedia QoE using heart rate and eye tracking

Mesfin, Gebremariam, Saleme, Estevao Bissoli, Ademoye, Oluwakemi, Kani-Zabihi, Elahe ORCID: https://orcid.org/0000-0002-5679-8512, Santos, Celso and Ghinea, Gheorghita (2020) Less is (just as good as) more - an investigation of olfactory intensity and hedonic valence in mulsemedia QoE using heart rate and eye tracking. IEEE Transactions on Multimedia. ISSN 1520-9210

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Using olfactory media to enhance traditional multimedia content opens up novel opportunities for user interactions. Whilst the influence of olfaction on user Quality of Experience (QoE) in mulsemedia (multiple sensorial media) environments has been previously studied, the impact of the fundamental dimensions of scent intensity and valence (pleasantness) have been largely unexplored. This is precisely what we target in this paper, which reports the results of an empirical investigation examining how scent intensity and valence impact mulsemedia QoE. Accordingly, 54 participants were exposed to different odor valences and scent intensity levels when viewing three short multimedia clips. In particular, we examine both subjective (self-reported) as well as objective QoE metrics, as evidenced by user heart rates and eye gaze patterns. Results show that whilst eye gaze patterns are largely unaffected by the experimental conditions, valence does have a statistically significant impact upon user heart rates, as does intensity for two of the three clips employed in our study. In terms of subjective QoE, results indicate that valence impacts on the sense of reality and enjoyment; however varying intensity levels do not seem to differentially impact on QoE, bringing into question the need for strong scent intensities.

Item Type: Article
Identifier: 10.1109/tmm.2020.2992948
Additional Information: Research funded by Horizon 2020 Framework Programme (688503) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (88881.187844/2018-01) © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: QoE, olfaction, hedonic valence, intensity, odor hedonic quality, mulsemedia, eye tracking, heart rate
Subjects: Computing > Innovation and user experience > Computing interaction design
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Depositing User: Elahe Kani-Zabihi
Date Deposited: 15 May 2020 18:24
Last Modified: 06 Feb 2024 16:02
URI: https://repository.uwl.ac.uk/id/eprint/6934


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