| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | acoustic treatment | Singapore | Implemented in conference rooms and office spaces to improve speech intelligibility and communication clarity. | 1 |
| 2 | acoustic treatment in public spaces | Singapore | Increasingly adopted, particularly in modern urban developments, but with a historical preference for bustling and lively public spaces. | 1 |
| 3 | soundproofing | Singapore | Increasing trend in urban areas to cope with population density and high-rise living, with focus on creating private and quiet spaces | 1 |
| 4 | soundproofing techniques | Singapore | High emphasis on soundproofing due to high population density and limited living spaces | 1 |