CD 361 Language Development in Children
Environmental Loudness Chart
| |
125 Hz |
250 Hz |
500 Hz |
1000 Hz |
2000 Hz |
4000 Hz |
6000 Hz |
| |
|
|
|
|
|
|
|
| 0 dB |
|
|
|
|
rustling |
leaves |
|
| |
|
|
|
|
|
|
|
| 10 dB |
|
|
|
|
|
|
|
| |
|
|
|
|
|
f,s,th |
|
| 20 dB |
small waves |
on a beach |
|
|
|
whispering |
|
| |
|
|
|
|
k |
|
|
| 30 dB |
|
z, v |
|
p,h,g |
tick of a |
watch |
|
| |
|
b, d |
|
|
ch |
|
|
| 40 dB |
y |
m, n, b, d |
ee, a o r |
talking |
|
|
|
| |
|
|
|
sh |
|
|
|
| 50 dB |
|
ay, oo, l |
|
lecturing |
|
|
|
| |
air |
|
|
|
|
|
|
| 60 dB |
conditioner |
|
baby crying |
|
|
|
|
| |
|
|
|
|
|
|
|
| 70 dB |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
| 80 dB |
|
dog |
howling |
piano |
|
|
|
| |
|
|
|
|
phone |
|
|
| 90 dB |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
| 100 dB |
|
lawn mower |
|
|
|
buz saw |
|
| |
|
|
|
|
|
|
|
| 110 dB |
truck engine |
|
|
leaf blower |
|
hlicopter |
|
| |
|
|
|
|
|
|
|
| 120 dB |
|
|
|
Rock Concert |
|
Jet Plane |
|
Last Updated on 12/25/99
By Ed Hall
Email: ehall@csun.edu