Emotional impact of the number and combination of sound sources in green and blue spaces: An auditory study

IF 3.4 2区 物理与天体物理 Q1 ACOUSTICS
Shuping Huang , Yao Huang , Youheng Bai , Jiehui Zhang , Yuhong Wang , Fanhua Kong , Qunyue Liu
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Abstract

This study examines how combinations of sound sources in green and blue spaces influence emotional responses, thereby elucidating the mechanisms through which these acoustic elements affect mood and contribute to positive soundscape experiences. Seven common sound sources were selected to create 64 audio combinations, using stream sounds as background and incorporating various geophysical sounds (rain drops, wind blowing, tree rustling) and biological sounds (bird songs, frog songs, insect sounds). The listening experiment involved 120 university students who evaluated these soundscape combinations through emotional ratings across three dimensions: pleasure, arousal, and dominance. Data were analyzed using linear mixed models, exploratory data analysis, and piecewise linear regression techniques. The findings revealed that: (1) sound source types significantly affected emotional responses: compositions featuring geophysical sounds substantially enhanced relaxation and calmness, whereas those containing biological sounds markedly increased participants’ arousal and pleasure levels; (2) individuals with varying anxiety levels demonstrated distinct emotional responses to identical audio stimuli: participants with mild anxiety reported significantly higher pleasure ratings compared to other groups, while those without anxiety exhibited reduced tension; (3) as the number of sound sources increased, pleasure gradually diminished, while arousal and dominance levels significantly intensified. Additional analysis identified that the optimal range for eliciting positive emotional experiences such as pleasure, calmness, and relaxation was between 1–5 sound sources, with excessive sound layering diminishing these beneficial effects.
绿色和蓝色空间中声源的数量和组合的情感影响:一项听觉研究
本研究探讨了绿色和蓝色空间中声源的组合如何影响情绪反应,从而阐明了这些声学元素影响情绪和促进积极音景体验的机制。我们选择了7种常见的声源来创建64种音频组合,以溪流的声音为背景,并结合了各种地球物理声音(雨滴声、风吹声、树沙沙声)和生物声音(鸟鸣、蛙鸣、昆虫声)。听力实验涉及120名大学生,他们通过三个维度的情绪评分来评估这些音景组合:愉悦、兴奋和支配。数据分析采用线性混合模型、探索性数据分析和分段线性回归技术。结果表明:(1)声源类型对情绪反应有显著影响:以地球物理声音为特征的声音显著增强了被试的放松和平静,而含有生物声音的声音显著提高了被试的兴奋和愉悦程度;(2)不同焦虑水平的个体对相同的音频刺激表现出不同的情绪反应:轻度焦虑组的快乐评分显著高于其他组,而无焦虑组的紧张评分显著降低;(3)随着声源数量的增加,愉悦感逐渐减弱,而唤醒和支配水平显著增强。进一步的分析表明,激发积极情绪体验(如愉悦、平静和放松)的最佳范围在1-5个声源之间,过多的声音分层会削弱这些有益效果。
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来源期刊
Applied Acoustics
Applied Acoustics 物理-声学
CiteScore
7.40
自引率
11.80%
发文量
618
审稿时长
7.5 months
期刊介绍: Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. Applied Acoustics looks not only at recent developments in the understanding of acoustics but also at ways of exploiting that understanding. The Journal aims to encourage the exchange of practical experience through publication and in so doing creates a fund of technological information that can be used for solving related problems. The presentation of information in graphical or tabular form is especially encouraged. If a report of a mathematical development is a necessary part of a paper it is important to ensure that it is there only as an integral part of a practical solution to a problem and is supported by data. Applied Acoustics encourages the exchange of practical experience in the following ways: • Complete Papers • Short Technical Notes • Review Articles; and thereby provides a wealth of technological information that can be used to solve related problems. Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome.
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