Dolphin has a dump audio option (Config -> Audio tab, or just click the DSP button from Dolphin's GUI).
There are plenty of sites (Mega, Mediafire, Dropbox, Google Drive) that'll host large files, so don't worry that the audio file is uncompressed.
There are plenty of sites (Mega, Mediafire, Dropbox, Google Drive) that'll host large files, so don't worry that the audio file is uncompressed.