Appendix D: Predictor Input Data
D 1: Raw Measurement Data and Sound Power Calculation – Truck
| Frequency | Surface Correction(dBA) | Measurement Distance (m) | Sound Pressure (dBA) | Sound Power (dBA) |
|---|---|---|---|---|
| 25 Hz | 3 | 5 | 15.04 | 37.0 |
| 31.5 Hz | 3 | 5 | 31.0 | 53.0 |
| 40 Hz | 3 | 5 | 24.39 | 46.4 |
| 50 Hz | 3 | 5 | 32.87 | 54.8 |
| 63 Hz | 3 | 5 | 48.84 | 70.8 |
| 80 Hz | 3 | 5 | 42.84 | 64.8 |
| 100 Hz | 3 | 5 | 51.05 | 73.0 |
| 125 Hz | 3 | 5 | 49.54 | 71.5 |
| 160 Hz | 3 | 5 | 50.78 | 72.8 |
| 200 Hz | 3 | 5 | 48.01 | 70.0 |
| 250 Hz | 3 | 5 | 50.2 | 72.2 |
| 315 Hz | 3 | 5 | 53.63 | 75.6 |
| 400 Hz | 3 | 5 | 56.22 | 78.2 |
| 500 Hz | 3 | 5 | 55.6 | 77.6 |
| 630 Hz | 3 | 5 | 59.89 | 81.9 |
| 800 Hz | 3 | 5 | 59.55 | 81.5 |
| 1 kHz | 3 | 5 | 60.22 | 82.2 |
| 1.25 kHz | 3 | 5 | 61.1 | 83.1 |
| 1.6 kHz | 3 | 5 | 62.09 | 84.1 |
| 2 kHz | 3 | 5 | 62.11 | 84.1 |
| 2.5 kHz | 3 | 5 | 59.51 | 81.5 |
| 3.15 kHz | 3 | 5 | 54.45 | 76.4 |
| 4 kHz | 3 | 5 | 54.07 | 76.0 |
| 5 kHz | 3 | 5 | 50.16 | 72.1 |
| 6.3 kHz | 3 | 5 | 47.92 | 69.9 |
| 8 kHz | 3 | 5 | 46.66 | 68.6 |
| 10 kHz | 3 | 5 | 38.9 | 60.9 |