Acceptable Noise - dBA - Levels

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The main advantages with dBA - the A weighting in noise measurements - are

• adapted to the the human ear response to sound
• possible to measure with low cost instruments

Maximum acceptable Equivalent Sound Level - L_eq - at some common locations are indicated in the table below:

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Related Topics

• Acoustics - Room acoustics, acoustic properties - decibel A, B and C - Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity, attenuation and more ..

Related Documents

• EPA Protective Noise Levels - The noise level should not exceed values protecting public health and welfare
• L_dn - Day and Night Sound Level - The EPA has defined an A-weighted sound level day and night equivalent for a 24 hour period
• NC - Noise Criterion - For a given noise spectrum, the NC rating can be obtained by plotting its octave band levels on the set of NC curves
• Noise Exposure - Permissible Level and Duration - Noise exposure should be controlled so that exposure is less than the combination of exposure level and duration
• Online Noise Criterion - NC - Calculator - An online Noise Criterion - NC - Calculator
• Outdoor Ambient Sound Levels - Outdoor ambient sound level (dBA) in rural and urban business and industrial environments with or without limited traffic
• PNC - Preferred Noise Criterion - A noise measurement system for continuous or ambient noise in indoor environments proposed by Leo Beranek in 1971
• Preferred Noise Criterion - PNC - Calculator - An online Preferred Noise Criterion - PNC - Calculator
• Sound Power - Sound Power Level and the Sound Power from some common sources as fans, jet engines, cars, humans and more ..
• Sound Pressure - Recommended Maximum Levels in Rooms - Maximum recommended sound pressure levels in rooms with activities as kindergartens, auditoriums, libraries, cinemas and more ...