Comparing self-generated noise reduction efforts and tolerance of neighbours' noise in multi-residential buildings

Interfloor noise is a significant issue in multi-unit residential buildings and affects the quality of life of residents. Understanding the dynamics of noise generation and perception among residents is crucial for developing effective noise-management strategies. This study aims to investigate the similarities and differences in attitudes towards noise disturbance from the perspectives of both noise creators and listeners in multi-unit residential buildings. Additionally, it sought to understand the relationship between residents' efforts to minimise noise in their homes and their tolerance levels to noise from adjacent apartments. An online questionnaire survey on interfloor noise was conducted among 1989 South Koreans aged 20-89 years. The survey assessed noise reduction efforts, noise tolerance levels, and attitudes towards different types of noise during the day and night. Most respondents reported above-average noise reduction efforts, whereas noise tolerance was evenly distributed. A weak negative correlation was found between the overall effort and tolerance. However, the nighttime noise reduction effort was positively correlated with daytime noise tolerance. Despite being a primary complaint source, floor impact noise was considered less significant in residents' reduction efforts. Age-related differences were observed, with older adults showing increased effort and uniform tolerance, and younger adults focusing more on daytime noise reduction. This study underscores the need for a multifaceted approach to noise management in multi-unit residential buildings. These findings suggest that uniform strategies may be inadequate owing to the interplay between age, noise generation, and tolerance. Effective noise control may require resident education on floor impact noise, age-specific noise policies, and targeted noise reduction solutions based on the noise type and source. This approach can contribute to creating a more harmonious living environment for residents of all ages.