For what it's worth, there a implementation in the MATLAB file exchange with a comment claiming that it is an accurate implementation of ISO9613-1. See http://www.mathworks.com/matlabcentral/fileexchange/6000-atmospheric-attenuation-of-sound
It cites % Bass, et al., "Journal of Acoustical Society of America", (97) pg 680, January 1995. % Bass, et al., "Journal of Acoustical Society of America", (99) pg 1259, February 1996. % Kinsler, et al., "Fundamentals of Acoustics", 4th ed., pg 214, John Wiley & Sons, 2000. Aaron -- Aaron Heller <hel...@ai.sri.com> Menlo Park, CA US _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
