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Study of the Annoyance Sensitivity for the Frequency Band of Road Traffic Noise

도로교통소음의 주파수에 따른 불쾌도 민감도 연구

  • 조경숙 (고등기술연구원 제품기술연구센터) ;
  • 황대선 (고등기술연구원 제품기술연구센터) ;
  • 조연 (고등기술연구원 제품기술연구센터) ;
  • 허덕재 (고등기술연구원 제품기술연구센터 NVH&Design팀)
  • Published : 2007.05.20

Abstract

In this study, the sensitivity of annoyance was investigated by the subjective jury test for the variations of the frequency components along with various sound pressure levels of sixteen environmental noise sources. Annoyance was, also, evaluated for the road traffic noises. Sound pressure levels were $54{\sim}84\;dB$ which individually divided frequency components with eight bands of equally three bark bands. The results show that vehicle traffic noise is recognized as the most serious environment noise source. The sensitivity of human perception of annoyance in frequency bands is quite different from A-weighting curve. The annoyance found out to be more sensitive in high frequency region and reached its maximum in 3.4 kHz.

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References

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