Atmospheric Sound Absorption Calculator

This calculator requires the use of Javascript enabled and capable browsers. This calculator is designed to give the sound absorption factors (attenuation) due to normal atmospheric conditions. The environment is assumed to be open atmosphere AGL.

Sound Attenuation
Attenuation Required Data Entry
Air Pressure (In PA)
Ambient Air Temperature (Degrees Celsius)
Percent Relative Humidity	%
Sound Frequency (Hertz)

Calculated Results
Sound Reduction (Attenuation)	dB per km

Version 1.4.9

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