| 沈小祥,顾善勇,沈勇,赵其昌.小房间内低频衰减[J].声学技术,2004,(2):98~101 |
| 小房间内低频衰减 |
| Acoustic decay at low frequencies in a small room |
| 投稿时间：2003-01-24 修订日期：2003-05-12 |
| DOI： |
| 中文关键词: 混响时间 衰减 模式 |
| 英文关键词: reverberation time decay mode |
| 基金项目: |
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| 中文摘要: |
| 文章结合混响时间公式的建立过程,讨论了小房间内低频驻波的衰减问题,解释了低频驻波影响下,混响时间的频率响应曲线在低频区发生的起伏现象。文中以南京华艺音像有限公司录音室的声学设计过程为例,介绍了避免这种低频区起伏的设计方案。测量结果表明我们的设计实现了平坦的混响时间曲线和安静的声学环境。 |
| 英文摘要: |
| This paper discusses decay of standing waves in a small room based on the formation of reverberation time equation. Fluctuations in the reverberation time curve at low frequencies are interpreted as a consequence of standing waves. Methods for avoiding such fluctuations are introduced with the acoustic design of the studio of Huayi Audio-Video Co. Ltd. of Nanjing as an example. The measurement results show that a flat reverberation time curve and quiet circumstance have been achieved in the design. |
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