<< You can fly with glasses and lenses, but can you fly with hearing aid ? >>
Yes, you can, I see a couple of guys who do. Not unnaturally, audios and ENT specialist reports are required at fairly regular intervals. But the principle that " if a special sense (vision, hearing, etc) is inadequate naturally, why not boost it by technology " also applies here.
This is, I'm afraid, a topic we will hear about ( pun intended ! ) more and more in the future. Extremely loud noise, sometimes put forward as "music" or "entertainment" seems to be increasingly part of our world.
Think of the folk with Walkmans on the train playing into earphones. If I can hear the noise at the other end of the carriage, then just how great is the sound level at his eardrums ? Similarly, the rap noise coming from the car full of teenagers, whichy can be heard from half a mile away because the volume is so high, and the windows wide open. This is noise pollution in a big way, and I really don't think they have a clue of the problems they will face in future. And as for pop concerts, or wedding discos . . . . . where the speakers are usually violently vibrating . . . . . . . words fail me !
PS - can anyone explain to me how to get the "quotes" from previous posts in the blue boxes . . . . . I'm obviously missing something here !