| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | acoustic ceiling | United States | Acoustic ceilings are commonly used in office buildings and commercial spaces to reduce noise and improve sound quality. | 1 |
| 2 | acoustic ceiling | United States | Commonly used in offices and public spaces to reduce noise and improve acoustics. | 1 |
| 3 | acoustic ceiling | United States | Common in office buildings and public spaces for noise reduction and sound absorption | 1 |
| 4 | acoustic ceiling | United States | Commonly used in offices and commercial buildings to reduce noise and echo | 1 |