The Role of Phonology in Speech Processing
نویسنده
چکیده
In this paper, I discuss the role of phonology in the modelling of speech processing. It will be argued tha t recent models of nonlinear representa t ions in phonology should be put to use in speech processing systems (SPS). Models ol phonology aim at the reconst ruct ion of the phonological knowledge that speakers possess and utilize in speech prow cessing. The most important function of phonology in SPS is, therefore , to put const ra in ts on what can be expected in the speech s t ream. A second, more specific function relates to the part icular emphasis ot the phonological models mentioned above and outlined in § g: It has been realized that many SPS do not make sufficient use of the suprasegmental aspects of the speech signal. But it is precisely in the domain of prosody where nonlinear phonology has made important progress in our insight into the phonological component of language. From the phonetic point of view, phonological knowledge is higher level knowledge just as syntact ic or semant ic information. But since phonological knowledge is in an obvious way closer to the phonetic domain than syntax or semantics, it is even more surprising that phonological knowledge has been rarely applied systematical ly in SPS.
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