Title: Modulating tooth brushing sounds to affect user impressions

Authors: Taku Hachisu; Hiroyuki Kajimoto

Addresses: The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan; Japan Society for the Promotion of Science, 5-3-1 Kojimachi, Chiyoda, Tokyo 102-0083, Japan ' The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan; Japan Science and Technology Agency, 7 Gobancho, Chiyoda, Tokyo 102-0076, Japan

Abstract: We present a novel feedback technique for tooth brushing. Brushing sounds were manipulated and were found to alter the user's impression. In our experiment, brushing sounds recorded by a microphone in the toothbrush are manipulated and presented to the users in real-time. We demonstrate that frequency manipulation affects feelings of comfort and accomplishment when sound levels are amplified. We also show that the gradually increasing frequency of brushing sounds induces more comfortable and accomplished feelings than the original sounds. The results show that it is possible to motivate users by interactively manipulating the frequency of brushing sounds.

Keywords: artistic technology; brushing sounds; accomplishment feelings; feedback technique; comfort feelings; frequency manipulation; perception interaction effects; sound effects; sound feedback; toothbrushes; tooth brushing sounds; user impressions; parchment-skin illusion; user perceptions; user motivation; teeth care.

DOI: 10.1504/IJART.2015.073581

International Journal of Arts and Technology, 2015 Vol.8 No.4, pp.307 - 324

Available online: 13 Dec 2015

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