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Active Indoor Soundscape Design: A Case Study of Ceramic Passive Amplifiers
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Active Indoor Soundscape Design: A Case Study of Ceramic Passive Amplifiers
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Journal Article
Active Indoor Soundscape Design: A Case Study of Ceramic Passive Amplifiers
2022
Overview
Indoor soundscape research has developed rapidly in recent years, with the aim of improving the single indoor noise reduction method and people’s acoustic comfort. However, practical solutions to promote the generation of positive indoor soundscapes are still insufficient. The purpose of this study was to explore the improvement effect of ceramic passive amplifiers on the indoor soundscape and the relationship between the improvement effect and different amplifier shapes. Objective sound pressure level (SPL) values and subjective soundscape perception were measured for 10 ceramic passive amplifiers based on the soundscape, mainly using a comparative method. Ten sample amplifiers were compared with the acoustic data of the original open-plan studio environment, and then with an electronic sound amplifier. The results show that ceramic passive amplifiers can improve the quality of the indoor soundscape by creating sound scenes with appropriate loudness. Regarding non-acoustic aspects, the shape and materials of ceramic passive amplifiers play a positive role in emotional guidance.
