Page 51 - 《应用声学》2021年第2期

第 40 卷 第 2 期 张珺等： 几类典型环境声的主观评价及感知特性分析 219

表 4 所选的客观参量与感知空间各维度的相关系数 (p < 0.05)
Table 4 Pearson correlation coefficients between metrics and each dimension of
perception space (p < 0.05)

实验一特征参量 实验二特征参量
维度
谱下降值 上升时间 第 1 个 Bark 内的特性响度 中心频率为 200 Hz 的 1/3 倍频带声级
1 −0.82 −0.15 −0.67 −0.11
2 −0.06 0.69 −0.27 −0.78

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