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Using acoustic perception to water sounds in the planning of urban gardens

机译：在城市花园规划中使用声学感知到水声

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Ecoacoustics explains how animal and human behavior are affected by environmental sounds. Many studies show the marked role that sound has on people's psychological health. Our world is more and more scarce in natural sounds that produce our well-being. In this sense, we explore what acoustic parameters are related to human comfort in cities. For this purpose, 16 water sounds, with very different acoustic characteristics in the number of harmonics, fundamental frequencies, spectral information and fractal dimension ( 1/4 complexity), were sampled. Therefore, any previous psychological conditioning can be expected in the choice of these sounds, since they are all based on the same source. We evaluated responses of 135 students, teachers and administrative people of the University of Extremadura (UEx) in a comfort scale defined by five levels between 2 (very unpleasant) to thorn2 (very pleasant) being 0 indifferent. Relationships between sound parameters and comfort responses show that information related to harmonics is behind the preferences. We have defined some useful recommendations to use these results in the design of more comfortable and relaxing urban parks and gardens. In this sense, we demonstrated that fountains with large waterfalls or jets, produce a marked acoustic aversion to humans. It is to be expected that the same effect will happen with birds and other small vertebrates present in cities. Instead, we recommend in the design of urban parks and gardens, the adoption of artificial water channels with small jumps whose acoustic characteristics are ideal causing deep and sustained relaxation.
机译：生态声学解释了动物和人类行为如何受环境声音的影响。许多研究表明，声音对人们的心理健康有明显的作用。我们的世界越来越稀缺，产生了我们幸福的自然声音。从这个意义上讲，我们探讨了与城市人类舒适有关的声学参数。为此目的，采样16个水声，在谐波，基本频率，光谱信息和分形尺寸（1/4复杂度）的数量中具有非常不同的声学特性。因此，可以在选择这些声音时预期任何先前的心理调理，因为它们都基于相同的来源。我们评估了135名学生，TemplateAdura大学（UEX）的教师和行政人士（UEX）的舒适程度，舒适程度在2（非常令人不快）到Thorn2（非常令人愉快）的差异化。声音参数与舒适反应之间的关系表明，与谐波有关的信息是偏好的。我们已经确定了一些有用的建议，以便在设计更舒适轻松的城市公园和花园的设计中使用这些结果。从这个意义上讲，我们证明了具有大瀑布或喷射器的喷泉，为人类产生了标记的声学厌恶。预期将在城市中存在的鸟类和其他小脊椎动物发生相同的效果。相反，我们建议在城市公园和花园设计，采用小跳跃的人工水道，其声学特性是造成深层和持续放松的理想。

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