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논문 기본 정보

자료유형
학술저널
저자정보
정정호 (Fire Insurers Laboratories of Korea) 이병권 (Daelim Industrial) 전진용 (Hanyang University)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제25권 제4호
발행연도
2015.4
수록면
291 - 298 (8page)

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초록· 키워드

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In this study, the reverberation time of apartment living room was measured and distribution of the reverberation time was analyzed. In addition, sound field characteristics of mock-up test room similar with living room and timber structured bedroom was investigated with addition of furniture and sound absorption material. Average reverberation time of unfurnished apartment unit was 1.11 s, and reverberation time in 630 Hz~2000 Hz bands were longer than 1.2 s. It was found that from the field measurement results, reverberation time characteristic of furnished apartment living room was uniform in most of frequency bands. Averaged reverberation time of furnished living room was 0.48 s and the reverberation time of bedroom was 0.44 s. Standardized sound pressure level correction values were calculated from the average reverberation time of furnished and unfurnished apartment units. The correction value of unfurnished living room was ?3.4 dB and that of furnished living room was 0.2 dB. Measured reverberation time of furnished and unfurnished apartment units indicated that reference reverberation time; 0.5 s, in KS and ISO standards is reasonable also in Korean residential environment.

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ABSTRACT
1. 서론
2. 공동주택 잔향시간 분포
3. 잔향시간 변화
4. 잔향시간 변화와 바닥충격음 영향
5. 결론
References

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UCI(KEPA) : I410-ECN-0101-2016-539-001308042