Effect of Birdsong Soundscape on Perceptual Preference in Urban Green Spaces Under Audiovisual Interaction
Natural soundscapes are often considered to be the quintessential type with health benefits.Among them,birdsong is seen as one of the most popular and restorative sound sources.On the basis of the concept of ecological aesthetics,the paper takes the bird habitat as the prototype to summarize the common plant landscape space in Hefei's green spaces,and construct the virtual reality scene.The existing landscape preference model and entropy method are used for processing the data from the subjective preference questionnaire and the objective physiological experiment,and the ways to construct a birdsong soundscape for the enhancement of the best perceptual experience are also explored.The results indicate that the combination of bird songs and visual scenes can significantly influence perceptual preferences;different degrees of preference for bird songs lead to varying effects when matching with visual landscape environments;and the combinations of high perceptual preference are the song of Daurian Redstart with the shrubland scene,the song of spotted doves with the scenes of savanna or dense forest,the song of red-headed tits with the scene of dense forest,and the song of azure-winged magpie with the scene of savanna.Therefore,the future green space landscape construction should put the attention to the combination of different plant communities and bird habitats,so as to enhance viewers'perceptual preference and offer them a better viewing experience.
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