Copy your files on your PC and if you have Wavelab or something comparable, you should be able to open those files directly (and save them as WAV afterwards). Choose "open wave" > "any type" > 32 bit float, Little endian, mono, 44.1 KHz.
It works.
edit: Audacity (freeware) can do this too. Create a track, then use "Import RAW data", with the same parameters as above. Done
it's here:
http://audacity.sourceforge.net/