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noise level

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
noise level [′nȯiz ‚levĀ·əl]
(physics)
The intensity of unwanted sound, or the magnitude of unwanted currents or voltages, averaged over a specified frequency range and time interval, and weighted with frequency in a specified manner; usually expressed in decibels relative to a specified reference.

sound level
The reading of a sound-level meter, using one of the three weighting networks; expressed in decibels (abbr. dB); the weighting network used must be specified; the most widely used network for noise measurements is the A-network.


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But earlier this year the EEA estimated that some 67 million urbanites in the 27-nation European Union are confronted with noise levels above the 55 decibel mark.
So we don't know what the maximum noise level is," said the 42-year-old.
The prospective study of the convertible-driving experience measured noise levels at speeds of 50, 60, and 70 miles per hour (mph), and indicated that drivers are consistently exposed to between 88 and 90 DbA, with a high of 99 Db.
 
 
 
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