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论文:2015,Vol:33,Issue(3):444-450 |
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引用本文： |
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杨立学, 陈克安, 李双, 周静, 黄文超, 侯峰. 飞机舱内声品质的音色参数表达[J]. 西北工业大学学报 |
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Yang Lixue, Chen Ke'an, Li Shuang, Zhou Jing, Huang Wenchao, Hou Feng. Timbre Parameter Representations of Aircraft Cabin Sound Quality[J]. Northwestern polytechnical university |
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| 飞机舱内声品质的音色参数表达 |
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| 杨立学1, 陈克安1, 李双2, 周静1, 黄文超3,4, 侯峰3,4 |
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1. 西北工业大学 航海学院, 陕西 西安 710072;
2. 苏州大学 城市轨道交通学院, 江苏 苏州 215006;
3. 中航工业集团 飞机强度研究所, 陕西 西安 710065;
4. 航空噪声与动强度航空科技重点实验室, 陕西 西安 710065 |
| 摘要: |
| 为有效地描述噪声音色对飞机舱内声品质的影响,开展了3组主观评价实验:不相似度评价、语义细分和偏好度成对比较。首先,不相似评价实验表明,飞机舱内噪声的音色可由一个4维空间表示;然后,回归分析发现后2个维度与语义细分尺度具有关联,其中维度3可描述为"轰鸣的"和"低沉的",而维度4可描述为"刺耳的"和"有节奏的";接着,利用4个声学参数(噪度、ERB谱峰度、短时谱偏度和ERB谱变化)得到了音色空间每个维度的定量表达;最后,通过分析被试偏好度和4个音色参数间的关系,发现偏好度较高的声音具有较少的线谱、随机性较强,同时其频谱具有平坦对称的分布。 |
| 关键词:
不相似度
多维尺度分析
语义细分
偏好度
音色参数
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| Timbre Parameter Representations of Aircraft Cabin Sound Quality |
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| Yang Lixue1, Chen Ke'an1, Li Shuang2, Zhou Jing1, Huang Wenchao3,4, Hou Feng3,4 |
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1. College of Marine Science and Technology, Northwestern Polytechincal University, Xi'an 710072, China;
2. School of Urban Rail Transportation, Soochow University, Suzhou 215006, China;
3. Institute of Aircraft Strength, China Aviation Industry Corp, Xi'an 710065, China;
4. Aviation Science and Technology Key Laboratory of Aircraft Noise and Vibration Engineering, Xi'an 710065, China |
| Abstract: |
| In order to describe the influences of noise timbre on aircraft cabin sound quality, three groups of subjective evaluation experiments were conducted, including dissimilarity evaluation, semantic differential, and preference comparison. Firstly, the results of dissimilarity evaluation indicated that the timbre of aircraft cabin noises could be described with a four-dimensional space. Secondly, the regression analysis revealed that the latter two dimensions were related to semantic scales, in which dimension 3 was interpreted as roaring and muffled, and dimension 4 was interpreted as harsh and rhythmic. Thirdly, four acoustic parameters (noisiness, ERB spectral kurtosis, short-time spectral skewness, and ERB spectral variation) were derived to obtain the quantitative interpretation of each dimension. Finally, by analyzing the relationship between the preference scores on the one hand and the four timbre parameters on the other hand, it was illustrated that a preferable sound should have almost no tones and was random, while its spectrum should possess a flat and symmetrical distribution. |
| Key words:
acoustic variables control
acoustic variables measurement
aircraft
cabins (aircraft)
cluster analysis
computer software
design
design of experiments
experiments
Fourier transforms
linear regression
MATLAB
normal distribution
principal component analysis
parameterization
regression analysis
semantics
time domain analysis
psychoacoustics
sound quality
timbre.
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| 收稿日期: 2015-01-09
修回日期:
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| DOI: |
| 基金项目: 航空科学基金(21031553018)资助 |
| 通讯作者:
Email： |
| 作者简介: 杨立学(1989—),西北工业大学博士研究生,主要从事环境声听觉感知和声品质评价研究。
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| 相关功能 |
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| 作者相关文章 |
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| 杨立学 在本刊中的所有文章 |
| 陈克安 在本刊中的所有文章 |
| 李双 在本刊中的所有文章 |
| 周静 在本刊中的所有文章 |
| 黄文超 在本刊中的所有文章 |
| 侯峰 在本刊中的所有文章 |
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