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Experimental study on rating scale for annoyance due to wind turbine noise  

Author:  | Noise

Wind turbine noise referred to as “swishing sound” causes annoyance due to the amplitude modulation of the aerodynamic noise from the blades. For that reason, many studies for rating scale realizing annoyance from the noise have been examined, but show little coherence with change of noise level. In the present study, an appropriate index for describing the annoyance tendency is suggested with jury test and correlation analysis. Twenty-eight stimuli created by numerical simulation for the test were provided and thirty-two subjects assessed noise-induced annoyance based on 7 point numerical scale. Additionally, a correlation analysis between sound descriptors and subjective annoyance was performed by using regression analysis with statistics software. This study shows that the maximum sound pressure level with fast time A-weighting (LAFmax) explains well the annoyance characteristics compared to the other descriptors considered.

Presented at Internoise 2013, Innsbruck, Austria, 13-18 September, 2013

Yeolwan Seong, Seunghoon Lee, Doo Young Gwak, and Yoonho Cho
Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul, Republic of Korea
Jiyoung Hong
Korea Railroad Research Institute
Soogab Lee
Center for Environmental Noise and Vibration Research, Engineering Research Institute

Download original document: “An experimental study on rating scale for annoyance due to wind turbine noise

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