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Sound Quality Characteristics of Refrigerator Noise in Real Living Environments

주거환경에서 냉장고 소음의 음질 특성

  • 유진 (한양대학교 대학원 건축환경공학과) ;
  • 장호연 (한양대학교 대학원 건축환경공학과) ;
  • 이충화 (한양대학교 대학원 건축환경공학과) ;
  • 정정호 (한양대학교 대학원 건축환경공학과) ;
  • 전진용 (한양대학교 건축대학 건축공학부)
  • Published : 2006.08.01

Abstract

The sound quality characteristics of refrigerator noise in an anechoic chamber and in a real living environment for 30 models of refrigerators were investigated. Subjective evaluation experiments were conducted to determine subjective tolerance level for refrigerator noise. Refrigerator noise was played from a loudspeaker at the position normally occupied by a refrigerator in a real living environment. A nine-point scale was used to measure subjective satisfaction of the sound pressure levels for refrigerator noise. Point 3 on the scale corresponded to a sound pressure level of about 30 dB(A). Seventy percent of the participants were satisfied with this level of refrigerator noise. A semantic differential test was also conducted to evaluate the sound quality of refrigerator noise. From the results of correlation and multiple regression analyses on the psychoacoustical parameters and subjective evaluations of 30 refrigerators, sound quality indices which predict the subjective rating score were proposed.

Keywords

References

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Cited by

  1. Pattern Analysis of Noise Radiated from Household Refrigerator vol.26, pp.2, 2016, https://doi.org/10.5050/KSNVE.2016.26.2.121
  2. Psychoacoustical Study for Sound Quality Index of Steady State Noise of Refrigerators vol.26, pp.5, 2016, https://doi.org/10.5050/KSNVE.2016.26.5.536