Sound absorption (attenuation) in humid air depends on frequency, temperature, relative humidity, and atmospheric pressure. This program calculates sound absorption (attenuation) in humid air using the ISO standard and the Bass forumla. The sound absorption is output in dB/meter.
Edward Zechmann (2021). Air Absorption (https://www.mathworks.com/matlabcentral/fileexchange/26835-air-absorption), MATLAB Central File Exchange. Retrieved .
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according to ISO 9613 error is ~10% for <1MHz. Function is what I've looked for. Thanks.
What is the frequency range for this function? ISO 9613 can be used for maximum 10kHz. I'm looking for a function for ultrasound which has more than 20kHz.
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