i | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
频率 | 16 | 31.5 | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | 16,000 |
A计权Ai/dB | −56.7 | −39.4 | −26.2 | −16.1 | −1.3 | −3.2 | 0.0 | 1.2 | 1.0 | −1.1 | −6.6 |