Performance Standards Established.
Octave Band Center Frequency (cycles per second) | Sound Pressure Level Decibels (re 0.0002 dyne/cm) |
|---|---|
31.5 | 59 |
63 | 58 |
125 | 57 |
250 | 50 |
500 | 45 |
1,000 | 40 |
2,000 | 37 |
4,000 | 33 |
8,000 | 29 |
Performance Standards Established.
Octave Band Center Frequency (cycles per second) | Sound Pressure Level Decibels (re 0.0002 dyne/cm) |
|---|---|
31.5 | 59 |
63 | 58 |
125 | 57 |
250 | 50 |
500 | 45 |
1,000 | 40 |
2,000 | 37 |
4,000 | 33 |
8,000 | 29 |