Think of augmented reality. It's generally conceived as modifying what you see, but why couldn't you benefit from a computer able to modify what you hear? It ou

Think of augmented reality. It's generally conceived as modifying what you see, but why couldn't you benefit from a computer able to modify what you hear? It ought to be possible to do a lot of Google Glass-like things, not to mention Black Mirror-like, without looking as much like a space cadet or demanding as much of the hardware. (As a hearing aid user I was thinking about this 10 years ago.)