Another prototype (雏形机)can send translations of a speech to different listeners depending on what language they speak. “It is like having a simultaneous translator right next to you but without disturbing the person next to you,”Waibel said.

　　Prefer to read? So-called Translation Glasses transcribe (转录) the translations on a tiny liquid-crystal (液晶) display(LCD)screen.

　　Then there’s the Muscle Translator. Electrodes capture the electrical signals from facial muscle movements made naturally when a person is mouthing words. The signals are then translated into speech. The electrodes could be replaced with wireless chips implanted in a person’s face, according to researchers.

　　During a demonstration held last Thursday in CMU’s Pittsburgh campus, a Chinese student named Sang Jun had 11 tiny electrodes attached to the muscles of his cheeks, neck and throat. Then he mouthed—without speaking aloud—a few words in Mandarin (普通话) to the audience. A few seconds later, the phrase was displayed on a computer screen and spoken out by the computer in English and Spanish: “Let me introduce our new prototype.”

　　This particular gadget (器具), when fully developed, might allow anyone to speak in any number of languages or, as Waibel put it, “to switch your mouth to a foreign language”. “The idea behind the university’s prototypes is to create‘good enough’ bridges for cross-cultural exchanges that are becoming more common in the world,”Waibel said.

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