Sound pressure level (SPL) or acoustic pressure level is a ... level, denoted Lp
and measured in dB, is defined by.
Environmental Noise. Weakest sound heard, 0dB. Whisper Quiet Library at 6',
30dB. Normal conversation at 3', 60-65dB. Telephone dial tone, 80dB. City Traffic
INC Library; |; Comparitive Examples of Noise Levels ... Decibel Level. Decibel
Effect ... Library, bird calls (44 dB); lowest limit of urban ambient sound. 40.
A noise level chart showing examples of sounds that have dB levels ranging from
0 to 180 decibels.
Level, comment ... Turbo-fan aircraft at takeoff power at 200 ft (118 dB). ... calls (
44 dB); lowest limit of urban ambient sound, 40, One-eighth as loud as 70 dB.
Decibel Exposure Time Guidelines ... see the tabs at the bottom of the page to
find sound levels for settings occupational, non-occupational, military, aircraft, etc
National Institute on Deafness and. Other Communication Disorders. I Love What
I Hear! www.nidcd.nih.gov/health/education/. Sound. Noise Level (dB). Effect.
dB table sound pressure levels SPL level test normal voice sound levels sound
units decibel level common sounds sound intensity decibel comparison chart ...
Nov 14, 2014 ... Following is a table of the decibel level of a number of sounds.Noise levels Noise
Average decibels (dB)Leaves rustling, soft music, ...