Just to expand on your comment, I don't think there is an analog hearing aid that has a working solution for the "cocktail party effect". There are several adva

Just to expand on your comment, I don't think there is an analog hearing aid that has a working solution for the "cocktail party effect". There are several advantages to digital hearing aids. https://en.m.wikipedia.org/wiki/Cocktail_party_effect https://en.m.wikipedia.org/wiki/Cocktail_party_effect