Table 2.
Summary of noise exposure for the measured settings and categories.
| Setting | Sample blocks | Noise exposure (dBA) | |||
|---|---|---|---|---|---|
| Mean LAeq (Standard deviation) | Cumulative LAeq, Σ | ||||
| Sound level meter | Smartwatch | Sound level meter | Smartwatch | ||
| Bar | 12 | 71.4 (1.1) | 72.1 (2.1) | 71.5 | 72.6 |
| Canteen | 12 | 68.7 (4.7) | 69.9 (5.2) | 70.5 | 72.0 |
| Cinema | 12 | 72.2 (4.5) | 71.5 (4.2) | 74.1 | 73.2 |
| Concert | 12 | 71.7 (7.1) | 71.6 (7.7) | 76.4 | 76.8 |
| Construction site | 12 | 83.2 (6.4) | 83.8 (7.7) | 86.7 | 90.0 |
| Housekeeping | 12 | 79.0 (6.6) | 80.1 (7.6) | 82.3 | 84.1 |
| Museum | 12 | 55.9 (3.1) | 52.9 (5.1) | 57.1 | 55.9 |
| Music club | 12 | 95.7 (1.7) | 93.9 (1.8) | 96.0 | 94.3 |
| Office | 12 | 49.4 (5.7) | 48.6 (7.5) | 52.5 | 52.2 |
| Restaurant | 12 | 77.5 (1.9) | 75.7 (2.2) | 77.8 | 76.2 |
| Street | 12 | 69.4 (5.1) | 69.5 (5.8) | 75.3 | 77.4 |
| Commuter train | 12 | 63.5 (3.3) | 61.3 (4.4) | 64.6 | 63.2 |
| Train station | 12 | 67.0 (1.8) | 66.6 (1.6) | 67.3 | 66.9 |
| Category | |||||
| Occupational settings | 72 | 66.9 (11.0) | 66.6 (12.0) | 79.4 | 82.5 |
| Recreational settings | 84 | 74.8 (11.8) | 74.0 (12.4) | 87.9 | 86.4 |
| Non-hazardous levels | 77 | 61.9 (7.5) | 61.0 (8.4) | 65.5 | 65.3 |
| Tolerable levels | 56 | 75.6 (4.3) | 75.1 (3.6) | 77.8 | 76.9 |
| Hazardous levels | 23 | 92.1 (4.8) | 90.8 (4.2) | 94.1 | 92.7 |
| Overall | 156 | 71.1 (12.1) | 70.6 (12.7) | 85.7 | 85.0 |