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Sound-tracking headphones let you eavesdrop in multiple languages


As an American who has been living in Portugal and studying the language sporadically for about 18 months, I'm finally at the point where I can hold a basic conversation – if I know what subject we're focusing on. So at the supermarket checkout counter, or the bank, I'm good. Plop me in the middle…

Plop me in the middle of a bus station though, and the conversations swirling around me devolve into a series of shhhzzs and ows from which I have trouble picking out even a single word, let alone an entire sense of meaning. That's why my ears particularly perked up when I heard about a prototype set of headphones that could actually monitor its surroundings, determine how many different people are speaking, and translate each linguistic thread pretty much in real time. Gollakota says that after the microphones pick up the sound, the feed is delivered into a mobile device running neural network models in real time.

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