A "Tower of Babel" device that gives the illusion of being bilingual is being developed by US scientists.
Users simply have to silently mouth a word in their own language for it to be translated and read out in another.
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The system is then able to translate the words into another language which is read out by a synthetic voice.
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The team currently has two prototypes: one that can translate Chinese into English and another that can translate English into Spanish or German.
If the prototypes used a small vocabulary of about 100-200 words they worked with about 80% accuracy, researcher Tanja Schultz said.
But, she added, a full vocabulary had a much lower level of accuracy.
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more:
http://news.bbc.co.uk/1/hi/health/6083994.stmHmmm...how about a Freeperese to Sanity version ?