Zhu, Guofeng; Kang, Jian; Ma, Hui; Wang, Chao; (2023) Characterization of soundscape assessment in outdoor public spaces of urban high-rise residential communities. The Journal of the Acoustical Society of America , 154 (6) pp. 3660-3671. 10.1121/10.0022531.

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Abstract

Soundscape perceptual models were developed in various contexts. However, as the outdoor public space in high-rise residential communities differs in terms of space planning and management, the soundscape perceptual characteristics are still unclear. In this study, an on-site survey was conducted to obtain the perceptual dimensions of soundscape in outdoor public spaces in urban high-rise residential communities based on evaluations of residents. Meantime, the soundscape of the space in different community layouts were compared. It was found that: (1) Four dimensions of outdoor soundscape in high-rise communities were extracted, namely Relaxation, Communication, Quietness, and Spatiality. The first three dimensions were positively correlated with overall soundscape satisfaction significantly. (2) Relaxation was mostly correlated with dominance of noise; Communication and Quietness were primarily related to sounds from human beings. (3) Lower traffic noise and higher levels of human sounds were perceived in enclosed communities, resulting in higher Relaxation and lower Quietness scores in outdoor public spaces in enclosed communities than non-enclosed ones. These findings evoke insights into the understanding of soundscape assessment in different contexts, and provide implications for sound environment design in urban high-rise communities.

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