Ask HN: AI trained to restore audio cassettes?

Has anyone trained a NN to restore audio data that has been degraded with an audio tape? Seems to work great with video [1] but never seen it done with audio. I'm trying to recover the audio of some of the kids songs I had as a kid (on cassettes) so that I can teach them to my kids... but the tapes have degraded terribly over time. Has anyone trained a massive NN to do this?

[1] https://www.youtube.com/watch?v=Fxd8XJ_J0Gc&feature=youtu.be