PERFORMANCE STANDARDS.
Octave Band, Frequency in Cycles per Second | Sound Pressure Level in Decibels |
|---|---|
0 to 74 | 73 |
75 to 149 | 68 |
150 to 299 | 60 |
300 to 599 | 53 |
600 to 1,199 | 47 |
1,200 to 2,399 | 41 |
2,400 to 4,799 | 35 |
4,800 and over | 33 |
PERFORMANCE STANDARDS.
Octave Band, Frequency in Cycles per Second | Sound Pressure Level in Decibels |
|---|---|
0 to 74 | 73 |
75 to 149 | 68 |
150 to 299 | 60 |
300 to 599 | 53 |
600 to 1,199 | 47 |
1,200 to 2,399 | 41 |
2,400 to 4,799 | 35 |
4,800 and over | 33 |