Physiological and Subjective Evaluation of the Rustling Sounds of Polyester Warp Knitted Fabrics

Gilsoo Cho, Jayoung Cho, Chunjeong Kim, Jiyoung ha

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This study evaluates the rustling sounds of polyester warp knitted fabrics using a psychophysiological technique. We generate and record the rustling sounds of three structural types—reverse locknit, double denbigh, and sharkskin—of warp knitted fabrics, all made from 75D polyester filament yarn at the same density. To obtain quantitative information about rustling sounds, Zwicker’s psychoacoustic parameters—loudness(z), sharpness(z), roughness(z), and fluctuation strength(z)—are calculated from sound spectra obtained by FFT analysis. We acquire physiological signals—electroencephalogram, the ratio of low frequency to high frequency (LF/HF) from the power spectrum of heart rate variability, respiration rate (RESP), heart rate (HR)—from fourteen female participants when each sound is presented to them, and they rate seven sensations—softness, pleasantness, comfort, noisiness, annoyance, clearness, and highness—by free modulus magnitude estimation. Loudness(z), roughness(z), and fluctuation strength(z) are highest for the sharkskin and lowest for the reverse locknit. The rustling sound of double denbigh appears to be related to a positive sensation, with the highest softness, pleasantness, and comfort, and the lowest beta wave and LF/HF. On the other hand, the sharkskin sound appears to evoke negative sensations, with the highest annoyance and noisiness and most increasing beta wave, RESP, HR, and LF/HF. Therefore, we conclude that psychoacoustic parameters such as loudness(z), roughness(z), and fluctuation strength(z) affect psychological and physiological responses evoking negative sensations for warp knitted fabric sounds.

Original languageEnglish
Pages (from-to)312-318
Number of pages7
JournalTextile Research Journal
Volume75
Issue number4
DOIs
Publication statusPublished - 2005 Jan 1

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Polyesters
Acoustic waves
Surface roughness
Power spectrum
Fast Fourier transforms
Yarn

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Polymers and Plastics

Cite this

Cho, Gilsoo ; Cho, Jayoung ; Kim, Chunjeong ; ha, Jiyoung. / Physiological and Subjective Evaluation of the Rustling Sounds of Polyester Warp Knitted Fabrics. In: Textile Research Journal. 2005 ; Vol. 75, No. 4. pp. 312-318.
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Physiological and Subjective Evaluation of the Rustling Sounds of Polyester Warp Knitted Fabrics. / Cho, Gilsoo; Cho, Jayoung; Kim, Chunjeong; ha, Jiyoung.

In: Textile Research Journal, Vol. 75, No. 4, 01.01.2005, p. 312-318.

Research output: Contribution to journalArticle

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