So basically this is augmentation of the ear. Focus sounds you want to ear, block the ones you don't. Pretty cool, but at the same time its kind of the first st

So basically this is augmentation of the ear. Focus sounds you want to ear, block the ones you don't. Pretty cool, but at the same time its kind of the first step towards the concept shown in Black Mirror where you just block out people you don't want to hear or see. They just become a muffled background noise.