Models of Phonetic Recognition I: Issues That Arise in Attempting to Specify a Feature-Based Strategy For Speech Recognition

Auteurs-es

  • Dennis H. Klatt

Résumé

This is the first of e set of papers from the MIT Speech Communication Group expressing conflicting viewpoints as to the nature of the speech perception process and the best way to approach the problem of speech recognition by machine. In this paper, it is argued that all models employing phonetic feature detectors (whose purpose is to make phonetic decisions so as to reduce the information content of the input representation prior to lexical search) are suboptimal in a performance sense. Such models are usually incompletely specified, and they do not confront certain theoretical problems that are discussed here. It is suggested that the LAFS model of precompiled acoustic expectations for familiar words (Klatt, 1979) has theoretically superior characteristics. However, aspects of the Stevens model described in the next paper (in particular, relational invariance at the acoustic feature detector level) are an attractive candidate for the front-end processor of a next-generation LAFS strategy.

Fichiers supplémentaires

Publié-e

2022-12-03

Comment citer

1.
Klatt DH. Models of Phonetic Recognition I: Issues That Arise in Attempting to Specify a Feature-Based Strategy For Speech Recognition. Canadian Acoustics [Internet]. 3 déc. 2022 [cité 26 nov. 2024];14(3 bis):63-6. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3524

Numéro

Vol. 14 No. 3 bis (1986): Symposium sur la reconnaissance de la parole

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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