주거환경에서 냉장고 소음의 음질 특성Sound Quality Characteristics of Refrigerator Noise in Real Living Environments
- Other Titles
- Sound Quality Characteristics of Refrigerator Noise in Real Living Environments
- Authors
- 전진용; 정정호; 유진; 장호연; 이충화
- Issue Date
- Aug-2006
- Publisher
- 한국소음진동공학회
- Keywords
- Sound Quality; 음질; Refrigerator Noise; 냉장고 소음; Living Environment; 주거환경; Sound Quality Index; 음질 인덱스
- Citation
- 한국소음진동공학회논문집, v.16, no.8, pp.797 - 805
- Indexed
- KCI
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 16
- Number
- 8
- Start Page
- 797
- End Page
- 805
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/181108
- ISSN
- 1598-2785
- 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 30dB(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.
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