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임펄스응답적분법을 이용한 잔향시간의 측정방법이 규준화 바닥충격음레벨에 미치는 영향Effect of the Measuring Method of Reverberation Time Using Impulse Response Method on the Normalized Impact Sound Pressure Level
- Other Titles
- Effect of the Measuring Method of Reverberation Time Using Impulse Response Method on the Normalized Impact Sound Pressure Level
- Issue Date
- Jan-2006
- Publisher
- 한국소음진동공학회
- Keywords
- Reverberation Time(잔향시간); Normalized Impact Sound Pressure Level(규준화 바닥충격음레벨); Time Constant(시정수); Room Natural Mode(실내고유모드); Reverberation Time(잔향시간); Normalized Impact Sound Pressure Level(규준화 바닥충격음레벨); Time Constant(시정수); Room Natural Mode(실내고유모드)
- Citation
- 한국소음진동공학회논문집, v.16, no.1, pp.34 - 39
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 16
- Number
- 1
- Start Page
- 34
- End Page
- 39
- ISSN
- 1598-2785
- Abstract
- For the evaluation of the normalized impact sound pressure level, the reverberation time of the receiving room should be measured. This paper deals with the effect of the time constant of FFT analyzer and the measuring points on reverberation time. It is found that the time constant should be in the range between 10ms and 35ms. While the effect of measuring points on the reverberation time is significant when the bandwidth is narrow, it is negligible in the evaluation of the normalized impact sound pressure level.
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