Effect of fabric sound and touch on human subjective sensation |
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| Authors: | Gilsoo Cho John G Casali Eunjou Yi |
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| Institution: | (1) Department of Clothing and Textiles, Yonsei University, 120-749 Seoul, Korea;(2) Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, VA |
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| Abstract: | In order to investigate the relationship between subjective sensation for fabric sound and touch and the objective measurements,
eight different apparel fabrics were selected as specimens. Sound parameters of fabrics including level pressure of total
sound (LPT), level range (ΔL), and frequency differences (Δf) and mechanical properties by Kawabata Evaluation System (KES) were obtained. For subjective evaluation, seven aspects of
the sound (softness, loudness, pleasantness, sharpness, clearness, roughness, and highness) and eight of the touch (hardness,
smoothness, fineness, coolness, pliability, crispness, heaviness, and thickness) were rated using semantic differential scale.
Polyester ultrasuede was evaluated to sound softer and more pleasant while polyester taffeta to sound louder and rougher than
any other fabrics. Wool fabrics such as worsted and woolen showed similar sensation for sound but differed in some touch sensation
in that woolen was coarsest, heaviest, and thickest in touch. In the prediction model for sound sensation, LPT affected postively
subjective roughness and highness as well as loudness, whileΔL was found as a parameter related positively with softness and pleasantness. Touch sensation was explained by some of mechanical
properties such as surface, compressional, shear, and bending properties implying that a touch sensation could be expressed
by a variety of properties. |
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| Keywords: | Fabric sound Touch Subjective sensation Semantic differential scale Prediction model |
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