The hearing loop will normally be installed on the floor around the periphery of a room, where it comprises of a thin strand of copper wire that radiates electromagnetic signals which can then be picked up by a tiny receiver that is already built into most hearing aids and cochlear implants. The moment the receiver is turned on, the hearing aid receives only the sounds coming straight from a microphone – effectively removing all the background clatter and noise.
Not exactly the newest technology around, but at least it is gaining recognition and a country-wide implementation would definitely change the way hard of hearing people live their lives – for the better, I might add.