The Simpsons
S3E24: Brother, Can You Spare Two Dimes?
Views: 132
It's a baby translator.
It measures the pitch the frequency, and the urgency of a baby's cries.
Then it tells whoever's around in plain English exactly what the baby is trying to say.
Everything from "change me"
to "turn off that damn Raffi record."
That's a very clever idea.