You should use this version instead; it's better.
Note that this uses a bilinear transform and so is not accurate at high frequencies.
Apply an A-weighting filter to a sound stored as a NumPy array.
Use Audiolab or other module to import .wav or .flac files, for example. http://www.ar.media.kyoto-u.ac.jp/members/david/softwares/audiolab/
Translated from MATLAB script (BSD license) at: http://www.mathworks.com/matlabcentral/fileexchange/69
Thank you endolith !
i just found the table from standard, and i'm little bit surprised because the values are not exactly the same.
do you still have the original table ? (i do not have the standard at my side, so i use google to find parts of it 🙃)
thank a lot !