都市化進程改變的不只是人類，許多鳥類在人類主導的環境中增加了對人為干擾的耐受性，台中中清路上的白尾八哥合唱現象便是。為了深入了解這一個現象，在2023 年4 月份時，於中清路二段上架設攝影機以及噪音計，分為二階段錄製鳥鳴聲。第一階段旨在確認清晨與傍晚的白尾八哥離巢及歸巢的時刻並記錄鳥鳴聲分貝大小；第二階段進一步測量在鳥鳴聲高峰時，室內的聲音環境品質為何? 除了量化的測量數據外，本研究同時使用問卷調查的方式，進一步了解人們對中清路上鳥鳴聲的感知狀況。
測量數據顯示，中清路清晨的鳥鳴聲分貝較傍晚低，分別為68.8 dBA 與75.4 dBA，但歷時較長。鳥鳴聲主要頻段為3150 Hz。在室內聲音環境品質方面，四個測量地點中，有三個室內空間超越法規訂定標準60 dBA。另外，問卷結果顯示，以鄰近居民為主，超過75%的參與者並不喜歡中清路上的鳥鳴聲。若以路人為主，18%的參與者對中清路上的鳥鳴聲感到有趣。此結果表明在都市中心地區，當鳥鳴聲達到一定分貝時，會影響室內聲音環境品質，並讓周邊居民產生負面的情緒感受。本研究旨在取得量化數據，並探討中清路上鳥鳴聲對周邊居民的情緒感受，提供確切參考數據供利益相關人參考。

Urbanization has not only changed humans, but many birds have increased their tolerance to human disturbance in a human-dominated environment, white-vented myna choruses on
Zhongqing Road is one of it. In order to document this phenomenon, a camera and sound level meter were set up in April 2023 on Section 2, Zhongqing Road, Taichung, to record birdsong in two phases. The first phase was to confirm the departure and return times of white-vented myna at dawn and dusk, and to record the sound pressure level of birdsong. The second phase was to further measure the indoor sound pressure level during the peak of birdsong at the nearby buildings. In addition to the quantitative measurement data, this study also used a questionnaire survey to further learn and understand people's perception of bird choruses on Zhongqing Road.
The measured data showed that the sound pressure level of birdsong on Zhongqing Road at dawn was lower than that at dusk, with 68.8 dBA and 75.4 dBA, but it lasted longer. The
dominate frequency of this bird choruses is at 3150 Hz. In terms of indoor sound pressure level, three of the four measurement sites exceeded the regulatory standards at 60 dBA. In addition, for participants who are the nearby residents, the results of questionnaire showed that more than 75% of the respondents dislike the bird’s choruses on Zhongqing Road. However, for participants who are visits and passing-by these areas, 18% of people found it interesting and could be a hot spot
for visit. To conclude, the results revealed that in urban centers, when birdsong reached a certain sound pressure level, it affected the quality of the indoor acoustic environment and tend to have negative perception among the residents. The objective of this study is to obtain quantitative data and to investigate the listening impression of bird choruses to the residents on Zhongqing Road, and to provide reference data for stakeholders.

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