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Published in:
2015 | OriginalPaper | Chapter
Auditory Feedback for Ear Picks
Authors : Masahiro Koge, Yosuke Kurihara, Ryuta Okazaki, Taku Hachisu, Hiroyuki Kajimoto
Published in: Haptic Interaction
Publisher: Springer Japan
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Abstract
We often clean others’ ears for the purpose of hygiene and communication. However, this activity has a risk of injuring the ears from applying too much force because it is difficult to grasp the movement and position of an ear pick. To solve this problem, we present novel techniques to provide cues for grasping behavior of the ear pick using auditory feedback. We implemented two techniques: (1) direct feedback of scratch sound and (2) conversion of force applied to the ear canal to audible signal. We conducted two experiments to study whether these techniques can help users control the exerted force. Contrary to our expectation, the results of the first experiment showed that the direct feedback of scratch sound had no helpful effect on force control. However, the results of the second experiment showed the marginally significant effect that the conversion of force applied to the ear canal to audible signal reduced force. This result indicates that the audification of the force helps users to control the force.