ThermalWear

Exploring Wearable On-chest Thermal Displays to Augment Voice Messages with Affect

Conference paper (2020)

Authors

Abdallah El Ali Centrum Wiskunde & Informatica (CWI)

Xingyu Yang Student

Swamy Ananthanarayan University of Oldenburg

Thomas Röggla Centrum Wiskunde & Informatica (CWI)

Jack Jansen Centrum Wiskunde & Informatica (CWI)

J. Hartcher-O'Brien Applied Ergonomics and Design -

K.M.B. Jansen Emerging Materials - , Centrum Wiskunde & Informatica (CWI)

Pablo Cesar Centrum Wiskunde & Informatica (CWI),

Research Group

Applied Ergonomics and Design () (TU Delft)

Emotion Thermal Wearable Display Affect Voice Prosody Chest

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Published Date

2020

Language

English

Reuse Rights

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Faculty

Industrial Design Engineering

Department

Human-Centered Design

Research Group

Applied Ergonomics and Design

Abstract

Voice is a rich modality for conveying emotions, however emotional prosody production can be situationally or medically impaired. Since thermal displays have been shown to evoke emotions, we explore how thermal stimulation can augment perception of neutrally-spoken voice messages with affect. We designed ThermalWear, a wearable on-chest thermal display, then tested in a controlled study (N=12) the effects of fabric, thermal intensity, and direction of change. Thereafter, we synthesized 12 neutrally-spoken voice messages, validated (N=7) them, then tested (N=12) if thermal stimuli can augment their perception with affect. We found warm and cool stimuli (a) can be perceived on the chest, and quickly without fabric (4.7-5s) (b) do not incur discomfort (c) generally increase arousal of voice messages and (d) increase / decrease message valence, respectively. We discuss how thermal displays can augment voice perception, which can enhance voice assistants and support individuals with emotional prosody impairments.