The only thing I would add to Antonio Carlos's description is a
few examples of classic computational linguistic applications: speech
synthesis, speech recognition and machine translation.
The goal of speech synthesis (sometimes called text-to-speech) is
to allow a computer to produce understandable speech. The goal of speech
recognition is to allow a computer to interpret human speech. The goal of
machine translation is to convert a text in one (usually written) language
to another.
All these have analogs for signed languages. Sign synthesis aims
to enable a computer to produce understandable signs. The goal of sign
recognition is to allow a computer to understand what is being signed to
it by a human. And machine translation can convert from a written sign
language to a written spoken language, from a written spoken language to a
written sign language, or between signed languages.
--
-Angus B. Grieve-Smith
Linguistics Department
University of New Mexico
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