From dBA to soundscape indices: Managing our sound environment

doi:10.15302/J-FEM-2017026

Front. Eng

2017, Vol. 4

Issue (2) : 184-192 https://doi.org/10.15302/J-FEM-2017026

REVIEW ARTICLE

From dBA to soundscape indices: Managing our sound environment

Jian KANG(

)

School of Architecture, Harbin Institute of Technology, Harbin 150001, China

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Abstract

While in the EU alone 80 million citizens are suffering from excessive environmental noise, the conventional approach, i.e., reduction of ‘sound level’, does not always deliver the required improvements in quality of life. The growing field of ‘soundscape studies’ is addressing this gap by considering the sound environment as perceived, in context, with an interdisciplinary approach. However, soundscapes are hugely complex, and measuring them as a basis for environmental design requires a step change to the discipline. This paper explores the need for developing ‘soundscape indices’, in the movement from noise control to soundscape creation, adequately reflecting levels of human comfort, the impact of which will be reminiscent of that of the Decibel scale created by Bell Systems a century ago. By analysing the soundscape design of urban open public spaces, the coherent steps for achieving this are also discussed, including characterising soundscapes by capturing soundscapes and establishing a comprehensive database; determining key factors and their influence on soundscape quality based on the database; developing, testing and validating soundscape indices; and demonstrating the applicability of the soundscape indices in the management of our sound environment.

Keywords noise soundscape management sound environment soundscape index

Corresponding Author(s): Jian KANG

Just Accepted Date: 13 June 2017 Online First Date: 27 June 2017 Issue Date: 17 July 2017

Cite this article:

Jian KANG. From dBA to soundscape indices: Managing our sound environment[J]. Front. Eng, 2017, 4(2): 184-192.

URL:

https://academic.hep.com.cn/fem/EN/10.15302/J-FEM-2017026
https://academic.hep.com.cn/fem/EN/Y2017/V4/I2/184

Fig.1 A system to describe the designable aspects in urban open public spaces (Kang, 2007)

Fig.2 The Gold Route in Sheffield

Fig.3 Change of soundscape when moving away from the main fountain in the Peace Gardens on the Gold Route

Fig.4 Model framework of soundscape indices

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