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Soundscape of Urban Open Spaces in H...

Lin, Hui.

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Soundscape of Urban Open Spaces in Hong Kong.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Soundscape of Urban Open Spaces in Hong Kong./
作者:	Lin, Hui.
面頁冊數:	207 p.
附註:	Source: Dissertation Abstracts International, Volume: 73-05, Section: B, page: 2970.
Contained By:	Dissertation Abstracts International73-05B.
標題:	Physics, Acoustics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3492047
ISBN:	9781267099952

Soundscape of Urban Open Spaces in Hong Kong.
Lin, Hui.

Soundscape of Urban Open Spaces in Hong Kong. - 207 p.

Source: Dissertation Abstracts International, Volume: 73-05, Section: B, page: 2970.

Thesis (Ph.D.)--The Chinese University of Hong Kong (Hong Kong), 2011.

This study aims to investigate the soundscape of urban open spaces in Hong Kong. Open space in densely populated cities has been considered as an important asset for urban inhabitants in that they afford opportunities for leisure, recreation and an active involvement with nature. For quite a long time, visual aesthetic was the dominant consideration in open space design and other senses were given less concern. Continuous stream of attention-demanding sounds from the noisy environment may bombard these open spaces, rendering them no longer able to satisfy the eye alone. Sound and consequently the acoustic environment are receiving increasing attention.

ISBN: 9781267099952Subjects--Topical Terms:

1019086
Physics, Acoustics.

Soundscape of Urban Open Spaces in Hong Kong.
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500 $a Source: Dissertation Abstracts International, Volume: 73-05, Section: B, page: 2970.
500 $a Adviser: Che Lam.
502 $a Thesis (Ph.D.)--The Chinese University of Hong Kong (Hong Kong), 2011.
520 $a This study aims to investigate the soundscape of urban open spaces in Hong Kong. Open space in densely populated cities has been considered as an important asset for urban inhabitants in that they afford opportunities for leisure, recreation and an active involvement with nature. For quite a long time, visual aesthetic was the dominant consideration in open space design and other senses were given less concern. Continuous stream of attention-demanding sounds from the noisy environment may bombard these open spaces, rendering them no longer able to satisfy the eye alone. Sound and consequently the acoustic environment are receiving increasing attention.
520 $a This study used noise mapping technique supplemented by GIS spatial analysis tools to delineate quiet open spaces with traffic noise exposure less than 60 dB (A) L10, 1h and conducted field observations to determine their usages. The identified quiet open spaces are either concentrated in hilly and remote areas with low accessibility, or sporadically scattered among tall buildings. Some large urban parks and small sitting-out areas are even located in the center of the city. Larger open spaces serve group visits, such as hiking and sightseeing, while smaller ones are easily accessible to local residents for social and recreational purposes.
520 $a The acoustic environment III urban open spaces varies with space and time. To characterize the acoustic quality of soundscapes in the quiet open spaces, sound walk and field recording were undertaken place in 25 selected study sites. Despite the dominance of traffic noise, soundscapes in the urban open spaces are also shaped by natural sounds.
520 $a Sounds from birds and water are common and prevalent particularly in gardens and playgrounds. Soundscape approach is a human-centered point of view. How the visitors perceive and evaluate sounds and the acoustic quality has great implication for soundscape design. On-site interview of 1,610 visitors unravels human preference of individual sounds and evaluation of the acoustic quality. Sounds from bird, wind and water are most preferred, while mechanical sounds and road traffic noise are least favored. Human voice is rated in between. Brown's soundscape evaluation framework was substantiated by data collected in this study highlighting tbe importance of context and presence of wanted and unwanted sounds on subjective evaluation of the acoustic quality. Ordinal Logistic Regression models were developed with significant independent variables, including social-demographic factors, acoustic parameters, visiting habits and presence of wanted and unwanted sounds.
520 $a Research findings have great implications for soundscape design of open spaces in compact cities. A properly designed open space offers a comfortable setting for relief, retreat and rejuvenation from tbe urban life. Endeavors to improve the acoustic quality in the urban open spaces will make cities more livable and sustainable.
590 $a School code: 1307.
650 4 $a Physics, Acoustics. $3 1019086
650 4 $a Environmental Sciences. $3 676987
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710 2 $a The Chinese University of Hong Kong (Hong Kong). $3 1017547
773 0 $t Dissertation Abstracts International $g 73-05B.
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