Getting encrypted message from audio

So I've got an audiofile, and I'm pretty sure there is some kind of message encrypted in it. I've tried making a spectrogram of it and here is what I've got. Seems like morse code, but I cant quite figure it out yet. Any thougts? submitted by /u/Mirakoff [link] [comments]

from hacking: security in practice https://ift.tt/9gf2e4B