Aletta, F; Kang, J; (2016) Descriptors and indicators for soundscape design: Vibrancy as an example. In: (Proceedings) 45th International Congress and Exposition on Noise Control Engineering. (pp. pp. 2908-2913). Deutsche Gesellschaft für Akustik (DEGA)

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Abstract

In order to implement the soundscape approach into the urban environment management and design practice, there is a current need to develop operative tools; namely, soundscape descriptors and indicators. So far, a number of descriptors have been proposed in literature and many of them focused on describing calmness and tranquillity constructs. However, there might be other dimensions of soundscape appreciation, like vibrancy, that could be more relevant for different urban contexts. The first part of this paper reviews systematically descriptors and indicators for soundscape design, and the second part of the paper focuses on vibrancy, where starting from a group interview with researchers and practitioners, it explored what elements are likely to contribute to vibrancy perception in the urban realm. It emerged that both aural and visual cues are important to make an environment vibrant. From the aural point of view, vibrancy implies human sound sources, time variability and loudness; whilst the presence of people, colourfulness and the activities of the place are visually important factors for soundscape vibrancy perception. The paper finally discusses how to develop a predictive model for soundscape vibrancy, according to a set of aural and visual indicators related to the above mentioned factors.

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