Frequency | Floor | Door (Glass) | Wall |
125 Hz | 0.020 | 0.010 | 0.120 |
250 Hz | 0.030 | 0.010 | 0.090 |
500 Hz | 0.050 | 0.020 | 0.070 |
1000 Hz | 0.100 | 0.020 | 0.056 |
2000 Hz | 0.300 | 0.020 | 0.060 |
4000 Hz | 0.500 | 0.030 | 0.070 |
8000 Hz | 0.500 | 0.040 | 0.085 |
16,000 Hz | 0.500 | 0.050 | 0.100 |