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Abstract

The quality of the soundscape in historical districts is receiving increasing attention from urban governments due to its significant potential to highlight historical characteristics and enhance the acoustic environment of urban areas. However, there is still a lack of research on the relationship between natural and cultural soundscapes as they interact in historic areas. Using the historical area of Wuhou Shrine Museum in Chengdu as a case study, this study analyzed the differences in sound levels, sound source recognition, and subjective perception between two distinct spatial types: the historical street and adjacent urban forest. Additionally, structural equation modeling (SEM) was employed to explore the impact of sound source recognition and sound levels on subjective perception. The results reveal the following: (1) The soundscape interaction between the historical street and the adjacent urban forest exhibits a conflicting relationship, with cultural and natural soundscapes struggling to coexist harmoniously. (2) Within the historical region, L10 has the strongest effect on subjective evaluation, while L90 has the weakest. (3) Quietness is not always positively correlated with comfort and pleasure, indicating that a tranquil environment does not necessarily enhance pleasantness. These findings provide differentiated soundscape optimization strategies tailored to historical areas.