Beats Electronics LLC B0514 Benutzerhandbuch
ENGLISH
SOUND
NOISE LEVEL
(dB)
EFFECT
Whisper
30
Very quiet
Quiet Office
50-60
Comfortable hearing levels
are under 60 dB
are under 60 dB
Vacuum Cleaner,
Hair Dryer
Hair Dryer
70
Intrusive; interferes with
telephone conversations
telephone conversations
Food Blender
85-90
85 dB is the level at which hearing
damage (8 hr) begins
damage (8 hr) begins
Dustbin Lorry,
Cement Mixer
Cement Mixer
100
No more than 15 minutes of
unprotected exposure recommended
for sounds between 90-100 dB
unprotected exposure recommended
for sounds between 90-100 dB
Power Saw,
Drill/Jackhammer
Drill/Jackhammer
110
Regular exposure to sound over 100 dB
of more than 1 minute risks permanent
hearing loss
of more than 1 minute risks permanent
hearing loss
Rock Concert (varies)
110-140
Threshold of pain begins
around 125 dB
around 125 dB
* Chart information from http://www.nidcd.nih.gov/health/education/teachers/pages/common_sounds.aspx
This decibel (dB) table compares some common sounds and shows how they rank in
potential harm to hearing.