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      The acoustic and visual factors influencing the construction of tranquil space in urban and rural environments tranquil spaces-quiet places?

      The Journal of the Acoustical Society of America

      Acoustics, Environment, Humans, Noise, Pressure, Social Planning, Urban Renewal, Visual Perception

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          Abstract

          Prior to this work no structured mechanism existed in the UK to evaluate the tranquillity of open spaces with respect to the characteristics of both acoustic and visual stimuli. This is largely due to the fact that within the context of "tranquil" environments, little is known about the interaction of the audio-visual modalities and how they combine to lead to the perception of tranquillity. This paper presents the findings of a study in which visual and acoustic data, captured from 11 English rural and urban landscapes, were used by 44 volunteers to make subjective assessments of both their perceived tranquillity of a location, and the loudness of five generic soundscape components. The results were then analyzed alongside objective measurements taken in the laboratory. It was found that the maximum sound pressure level (L(Amax)) and the percentage of natural features present at a location were the key factors influencing tranquillity. Engineering formulas for the tranquillity as a function of the noise level and proportion of the natural features are proposed.

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          Author and article information

          Journal
          18345834
          10.1121/1.2831735

          Chemistry

          Acoustics, Environment, Humans, Noise, Pressure, Social Planning, Urban Renewal, Visual Perception

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