f (Hz) | 16 | 31,5 | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
n(f) | 0.53 | 0.69 | 0.97 | 1.48 | 2.08 | 2.10 | 2.19 | 1.77 | 1.28 | 0.40 |