The decibel (dB) is a logarithmic unit used to express the ratio of two values of a
physical quantity, often power or intensity. One of these values is often a standard
reference value, in which cas...
Decibel (Loudness) Comparison Chart. Here are some interesting numbers,
collected from a variety of sources, that help one to understand the volume levels
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
The following decibel levels of common noise sources are typical, but will vary.
Noise levels above 140dBA can cause damage to hearing after just one ...
Level, comment ... Military jet aircraft take-off from aircraft carrier with afterburner
at 50 ft (130 dB). 130 ... Turbo-fan aircraft at takeoff power at 200 ft (118 dB).
("absolute" sound level). dB scale with some rough examples We said above that
the decibel is a ratio. So, when it is ...
A jackhammer produces a sustained noise level of 120 dB, the noise from a large
truck can peak at 90 dB, and the average noise level inside the cabin of an ...
The decibel (abbreviated dB) is the unit used to measure the intensity of a sound.
The decibel scale is a little odd because the human ear is incredibly sensitive.
Noise levels are measured in decibels, or dB for short. The higher the decibel
level, the louder the noise. Sounds that are louder than 85 dB can cause ...
Feb 17, 2016 ... Decibel 10th turns your iPhone, iPad and iPod touch into a professional sound
meter, precisely measures the sound pressure level all around ...