【摘要】 低频噪声污染扰民问题越来越受到关注。由于低频噪声会使人们主观上感受到烦恼，因此基于等烦恼度的低频噪声主观评价方法成为研究热点。为此，从人体主观感受的角度研究低频噪声引起的烦恼变化规律，从而得到低频声信号的等烦恼度曲线。研究中招募被试，对声级从45～75 dB、频率从100～315 Hz的42个低频声信号开展主观烦恼度的绝对幅值评估实验，并对评价结果进行方差分析和数据拟合，得到不同频率下的剂量-效应公式，经过验证后绘制100～315 Hz低频范围内的等烦恼度曲线。研究结果表明，在声压级方面，低频声烦恼度满足剂量-效应的幂指数变化规律。在频率方面，同声级更低频率的声信号引起的烦恼度更高。该研究成果可为低频噪声的评价和治理提供思路与借鉴。更多还原

【Abstract】 The low frequency noise pollution issue is getting more and more attentions. As the low frequency noise can make people feel subjectively annoyed, the subjective evaluation method of low frequency noise based on equal annoyance degree has become the research hotspot. Therefore, the variation rule of human subjective feelings caused by low frequency noise was studied, and iso-annoyance contour of low frequency sound signal was obtained. Subjects were recruited to evaluate the subjective annoyance of 42 low-frequency acoustic signals with sound levels ranging from 45 to 75 dB and frequencies ranging from 100 to 315 Hz by Absolute Magnitude Estimation(AME). Dose-effect formulas for different frequencies were obtained through variance analysis and data fitting. After verification, the curves of equal annoyance degree in the low frequency range of 100-315 Hz were plotted. The results show that the low frequency acoustic annoyance meets the power exponential change law of dose-effect for sound pressure level. For frequency, acoustic signals with lower frequencies of the same sound level cause higher annoyance. The research results can provide ideas and references for the evaluation and control of low frequency noise.更多还原