There's a little bit of a life-hack for this (assuming your hearing really is okay) in loud environments... Push the little flap of the recipient's ear (the fla

There's a little bit of a life-hack for this (assuming your hearing really is okay) in loud environments... Push the little flap of the recipient's ear (the flap is called the 'tragus') over their ear canal to seal it off. Then you can lean in and speak loudly enough to overcome the ambient noise without hurting them.