|
Decibels
(Ref: 20 microPa
) |
|
|
140 |
Threshold of Pain |
|
Jet
Take Off (60 m) |
130 |
|
|
|
120
|
Rock Concert, Pop Group
Disco Dance
Floor |
|
INDY
Race Car (30
m) |
110
|
|
|
Railroad
Locomotive at 100 km/h (15 m)
|
100
|
Arena During
Playoff Hockey
(Max. Levels) |
|
Tractor Trailer at 100
km/h (15 m) |
90
|
|
|
Inside Sports Car
(80 km/h) |
80
|
Pneumatic
Drill (15 m)
Loud Ringing Alarm
Clock
(1 m) |
|
Subway
Train(15 m), Freight
Train (30 m) Well Projected Speech (1
m) |
70
|
Highway
401, 50
m From Closest Lane |
|
Large
Store, Shopping Mall |
60
|
Microwave
Oven (0.5 m)
Large Open Office |
|
|
50
|
Min. Levels - Residential Area, Downtown @ Night |
|
1.8
MW Wind Turbine @ 500 m
Bedroom No TV or HiFi |
40
|
Min.
Levels - Suburban
Residential Areas @ Night |
|
Soft Whisper (1.5 m) |
30
|
Broadcast Studio |
|
Recording
Studio |
20
|
Concert
Hall |
|
|
10
|
|
|
Threshold
of Hearing |
0 |
|
|
Typical A-Weighted
Sound Pressure Levels of Common Sounds |
