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: Prolonged exposure to high-decibel social noise (above 60 dBA) can degrade speech intelligibility and trigger stress responses, including increased cortisol levels and heart rate.

Abstract

: Individuals accustomed to dense urban soundscapes may actually feel disoriented or anxious in total silence, demonstrating a psychological dependence on the "acoustic safety" of human presence. 5. Conclusion: Designing for the Human Ear som_de_pessoas_conversando

: Hearing others converse in public spaces fosters a sense of belonging and "social safety." Studies have shown that foreground human sound significantly enhances the perceived suitability and stimulation levels of urban parks. : Prolonged exposure to high-decibel social noise (above