THE OFFICE Normal office noise comes in at 50 decibels
, but a noisy office can be as loud as 80, twice the recommended level.
Wear earplugs when facing sudden or constant loud noises (many cinemas today have sound levels that exceed 85 decibels
when showing action films).
Like measuring the strength of earthquakes, increases in the rating of decibels
are not linear.
In a study published by the Naval Health Research Center, scientists found that 24-hour exposure to low-frequency sonar at only 77 decibels
produced "adverse effects on health, performance, and morale" on human sailors.
Under the new criteria, employers will record 10-decibel
shifts from the employee's baseline hearing test when they also result in an overall hearing level of 25 decibels
Loss in decibels
is described on a logarithmic scale.
This is Seb Clarke in full swing at the Godiva Festival, but reader P Anslow wonders if the audience needed the decibel
level to be quite so high.
lath and plaster wall can attain the same decibel
rating as 4 7/8th in.
The Comfort Program is composed of three collections: Marmoleum Decibel
level of a shriek emitted by tennis prayer Maria Sharapova during a Wimbledon match in July.
Liverpool averaged 97 decibels
- louder than a lawnmower (90 decibels
), but not quite at chain saw decibel
levels (110 decibels
) - while Manchester 14.
An increase of 10 on the decibel
scale means the sound is ten times more powerful.