If you have difficulty hearing, it can be tricky to make out a single speaker in a noisy room. A system that amplifies the voice you want to listen to could help.
Imagine you’re trying to have a catch-up with your best friend in the middle of a noisy pub. Despite the distracting background noise, you are able to filter out the hubbub and can still hear all your friend’s best gossip. This so-called “cocktail-party effect” comes naturally to many of us, but for people who use hearing aids, coping with irrelevant noises is difficult and deeply frustrating.
