Relation between the order spectrum profile and subjective evaluation on car interior noise

Takeo Hashimoto, Shigeko Hatano, Shin Sung-Hwan, Masayuki Takada

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The subjective evaluation of car interior noise is strongly related with the order spectrum profile of the car interior noise. In order to find the relation between the order spectrum profile of the car interior noise and its evaluation, the car interior noise recorded at the test course is modified its spectrum shape by applying the adaptive digital filters to increase and to decrease the order levels. After the modification of the original interior noise, the subjective evaluation of the test sounds was conducted to see the modification effect. As a result, the modification of the half order components relate to the increase and decrease of the pleasantness of the test sound. Together with this, concerning the spectrum envelope profile, the decay pattern to the high frequency side is the key point to improve the sound quality of car interior noise.

    Original languageEnglish
    Title of host publicationTurkish Acoustical Society - 36th International Congress and Exhibition on Noise Control Engineering, INTER-NOISE 2007 ISTANBUL
    Pages3668-3677
    Number of pages10
    Publication statusPublished - Dec 1 2007
    Event36th International Congress and Exhibition on Noise Control Engineering, INTER-NOISE 2007 - Istanbul, Turkey
    Duration: Aug 28 2007Aug 31 2007

    Publication series

    NameTurkish Acoustical Society - 36th International Congress and Exhibition on Noise Control Engineering, INTER-NOISE 2007 ISTANBUL
    Volume6

    Other

    Other36th International Congress and Exhibition on Noise Control Engineering, INTER-NOISE 2007
    Country/TerritoryTurkey
    CityIstanbul
    Period8/28/078/31/07

    All Science Journal Classification (ASJC) codes

    • Acoustics and Ultrasonics

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