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
CountryTurkey
CityIstanbul
Period8/28/078/31/07

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

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