Abstract:The Huizhou classical gardens have experienced a millennium of prosperity and decline, gradually fading from people’s view nowadays. As one of the best-preserved classical gardens in Huizhou, Tangerang Garden holds significant cultural value and practical significance for optimizing its soundscape. Starting from the integration of sight and sound, this research constructs a soundscape evaluation system based on three aspects: sound level, sound source, and soundscape perception. Supported by image semantic segmentation, it selects eight visual indicators from three dimensions, spatial environment, natural environment, and artificial environment, to build a visual evaluation system. Finally, through the correlation analysis between the soundscape and visual evaluation of Tangang Garden, the characteristics of its current soundscape are summarized. The study reveals that adhering to the Huizhou architectural style is the fundamental feature of Tangang Garden. Its layout faces the mountains and embraces the water, which forms a pleasant listening environment mainly dominated by natural sounds. However, the current traffic conditions near urban roads disturb the garden’s soundscape experience with traffic noise. Meanwhile, the abrupt sound sources generated by the inappropriate placement of artificial equipment significantly reduce the auditory and visual experience at the garden entrance. Therefore, based on the soundscape status of Tangang Garden, five targeted optimization strategies are proposed: enhancing the Huizhou style, designing soundproof walls ingeniously, strengthening visual hierarchy, optimizing the auditory and visual environment at the entrance, and improving maintenance levels. These strategies aim to provide references for the optimization research of Huizhou garden soundscapes.