| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | acoustic treatment in public spaces | Switzerland | Switzerland prioritizes maintaining refined and harmonious acoustic environments in public spaces and residential areas. | 2 |
| 2 | acoustic treatment in public spaces | Netherlands | In the Netherlands, acoustic treatment is well-integrated into public spaces as part of sustainable and functional design, in line with a tradition of environmental consciousness. | 1 |