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Japan鈥檚 national phone company, NTT, has developed a voice-recognition system
that can analyse sentences as they are spoken. Conventional systems wait until
the end of a sentence before analysing it, which leads to delays. NTT says its
system can also tell from the inflection of the voice whether someone is making
a statement or asking a question. It plans to use the system for
ticket-reservation and information retrieval services.