|
|
Sound
Pressure
|
Sound
Level
|
|
| Outdoor Sound Levels |
(µPa)
|
(dBA)
|
Indoor Sound Levels |
| |
|
|
|
|
6,324,555
|
110
|
Rock Band at 5m |
| Jet Over-Flight at 300m |
|
105
|
|
|
2,000,000
|
100
|
Inside NY Subway Train |
| Gas Lawn Mower at 1m |
|
95
|
|
|
632,456
|
90
|
Food Blender at 1m |
| Diesel Truck at 15m |
|
85
|
|
| Noisy Urban Area (daytime) |
200,000
|
80
|
Garbage Disposal at 1m |
|
|
75
|
Shouting at 1m |
| Gas Lawn Mower at 30m |
63,246
|
70
|
Vacuum Cleaner at 3m |
| Suburban Commercial Area |
|
65
|
Normal Speech at 1m |
|
20,000
|
60
|
|
| Quiet Urban Area (daytime) |
|
55
|
Quiet Conversation at 1m |
|
6,325
|
50
|
Dishwasher in Adjacent Room |
| Quiet Urban Area (nighttime) |
|
45
|
|
|
2,000
|
40
|
Empty Theater or Library |
| Quiet Suburb (nighttime) |
|
35
|
|
|
632
|
30
|
Quiet Bedroom at Night |
| Quiet Rural Area (nighttime) |
|
25
|
Empty Concert Hall |
| Rustling Leaves |
200
|
20
|
|
|
|
15
|
Broadcast and Recording Studios |
|
63
|
10
|
|
|
|
5
|
|
| Reference Pressure Level |
20
|
0
|
Threshold of Hearing |
| |
|
|
|
|
