室内声环境标准限值合理性实验研究  

Experimental Study on Standard Limits of Indoor Noise

作　　者：林旗力[1] 曹勇 翟国庆[1] 贺玲姣[1] 

机构地区：[1]浙江大学环境污染控制技术研究所,杭州310028 [2]浙江省辐射环境监测站,杭州310012

出　　处：《噪声与振动控制》2011年第3期112-114,共3页Noise and Vibration Control

基　　金：国家自然科学基金(基金编号:10604048)

摘　　要：我国现行的结构传播固定设备室内噪声排放限值不尽合理。通过将白噪声滤波获得31.5~500Hz各倍频程带宽样本,调整其声压级至标准限值后合成原始声样本,并适当调整各倍频程频带声压级,合成新的声样本,采用成对比较法,对比研究各声样本的主观烦恼。结果表明,在A声级或响度级相同情况下,降低31.5Hz与63Hz倍频程频带声压级,并提高125Hz、250Hz及500Hz倍频程频带声压级,声样本主观烦恼均小于原始声样本;在各倍频程中,31.5Hz倍频程频带声压级与声样本主观烦恼度最为相关,且呈显著正相关（p〈0.01）,Pearson相关系数为0.925~0.951。Present room emission limits of fixed equipment noise transmitted by structures are considered incapable to predict subjective perception rationally.In this study,white noise of 31.5～500 Hz octave bands through filtration is adjusted to the sound pressure levels（SPL）of standard limits to form the original sound samples.New sound samples are produced by moderately adjusting the SPL of these 5 octave bands.Subjective annoyance tests are carried out using paired comparison method.The results indicate that,under the condition of equal A-weighted SPL or equal loudness levels,the new sound samples,whose SPL of 31.5 Hz and 63 Hz octave bands are reduced and SPL of 125 Hz and 250 Hz and 500 Hz octave bands are increased,are less annoying than the original sound samples.There is a significant correlation between SPL of 31.5 Hz octave band and the subjective annoyance rating（p0.01）,and Pearson＇s correlation coefficient is 0.925～0.951.

关 键 词：声学 室内低频噪声 排放限值 主观烦恼 倍频程频带声压级 

分 类 号：X121[环境科学与工程—环境科学] X82