Description
| Frequency HZ | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Mean Attenuation DB | 25 | 24.2 | 23.4 | 25.7 | 31.0 | 38.1 | 42.9 |
| Standard Deviation DB | 3.7 | 4.0 | 3.9 | 3.3 | 4.6 | 4.9 | 4.8 |
| Assumed Protection DB | 21.3 | 20.2 | 19.5 | 22.4 | 26.3 | 33.2 | 38.1 |
| SNR=26dB; H＝28dB; M＝23dB; L＝21dB; | |||||||
|---|---|---|---|---|---|---|---|
