Description
| Frequency HZ | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Mean Attenuation DB | 20.9 | 24.1 | 30.4 | 38.8 | 33.3 | 41.5 | 38.0 |
| Standard Deviation DB | 3.0 | 2.2 | 2.6 | 3.7 | 3.2 | 4.0 | 6.4 |
| Assumed Protection DB | 17.9 | 21.9 | 27.8 | 35.1 | 30.1 | 37.5 | 31.6 |
| SNR= 32dB; H＝32dB; M＝30dB; L＝24dB; | |||||||
|---|---|---|---|---|---|---|---|
