I am not deaf, however I often find places hard to hear people, and hard to be heard. I understand audio treatment of rooms is expensive, but it does add a lot

I am not deaf, however I often find places hard to hear people, and hard to be heard. I understand audio treatment of rooms is expensive, but it does add a lot to a place. The Gastropod podcast recently discussed this: https://gastropod.com/transcript-why-are-restaurants-so-loud/ https://gastropod.com/transcript-why-are-restaurants-so-loud... One of the presenters keeps apologising for sounding very English, perhaps she is being overly polite.