A Comparison of Language Processing Techniques for a Constrained Speech Translation System

  • Lincoln, M.
  • Cox, S. J.
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Publication date
January 2003
Publisher
Institute of Electrical and Electronics Engineers (IEEE)

Abstract

A system designed to allow Post Office counter clerks to communicate with deaf customers by translating speech into sign language is described. The system uses approximately 370 pre-stored phrases which may be signed to the customer using a specially designed avatar. The clerk is unable to memorise this number of phrases and therefore the system attempts to map from their input speech to the semantically equivalent pre-stored phrase. We describe a number of language processing techniques developed to perform the mapping, and give results obtained using alternative formulations of the phrases from a number of speakers. We then give results for recognised speech input and show how misrecognitions effect the mapping system. Best performance is...

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