Hearing aids have been doing this for 20+ years. The big players in the market have been fine-tuning their algorithms and hardware for a long time to be able to

Hearing aids have been doing this for 20+ years. The big players in the market have been fine-tuning their algorithms and hardware for a long time to be able to fit even severe hearing losses with a good sound. Modern aids also very impressive with sound localisation and context-switching between people speaking in groups. Edit: That's not to say this isn't a cool project, it is VERY cool.