The Journal of the INCE of Japan
Online ISSN : 1883-7506
Print ISSN : 0386-8761
Volume 32 , Issue 6
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Dissertation—Contribution
  • Shin-ichiro Iwamiya, Masahiro Watanabe, Masayuki Takada
    2008 Volume 32 Issue 6 Pages 425-436
    Published: December 01, 2008
    Released: January 29, 2020
    JOURNALS FREE ACCESS

    A questionnaire survey and rating experiments of the sound quality of exhausted noises admitted from motorcycles were carried out to clarify differences in attitude to these sounds between riders and non-riders. Riders were those who usually rode motorcycles and non-riders did not. Riders preferred idling sounds with strong low frequency energy and loud exhausted noises with strong high frequency energy that resulted from high speed riding. The subjective evaluation of riders was affcted by the motorcycle imagery associated with the sounds. However, non-riders did not show such trends. Non-riders essentially hated all kinds of motorcycle exhaust noise. They hated the sounds more strongly when the sound volume was larger. The onomatopoeic representations of an ideal motorcycle exhaust noise for riders were similar to those of an uncomfortable motorcycle noise for non-riders.

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