Mr. Jou, a graduate student in language technologies at Carnegie Mellon University, was simply mouthing words in his native Mandarin Chinese. But 11 electrodes attached to his face and neck detected his muscle movements, enabling a computer program to figure out what he was trying to say and then translate his Mandarin into English. The result boomed out of a loudspeaker a few seconds later. [via] Link.
Translator may allow you to “switch your mouth to a foreign language”