Effects of Variations in the Tragus Expansion Angle on Users’ Comfort for In-ear Wearables
Hao Fan,
Mengcheng Wang,
Xiao Zhao
et al.
Abstract:Tragus expansion angle (TEA) is an angular variable that quantifies the degree of outward expansion of the tragus cartilage induced by in-ear wearables worn in the human ear. However, the TEA cannot be measured directly, and the mechanism that explains how expansion variations affect users’ comfort experience is not well understood. The purpose of this study was to establish a quantitative relationship between variations in the tragus expansion angle and users’ comfort experience. TEA was measured on 400 healt… Show more
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