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Acoustic-phonetic decoding of speech : problems and solutions

Abstract

Acoustic phonetic decoding of speech recognition constitutes a major step in the process of continuous speech recognition . This paper reminds the difficulties of the problem together with the main methods proposed so far in order to solve it . We then concentrate on the différent complementary approaches Chat have been investigated by our group : expert system based on spectrogram reading, recognition by phonetic triphones, connectionist model based on the cortical column unit and stochastic recognition without segmentation .Le décodage acoustico-phonétique constitue une étape importante en reconnaissance de la parole continue . Cet article rappelle d'abord les difficultés du problème et les principales méthodes qui ont été proposées pour le résoudre . Il présente ensuite les diverses approches complémentaires adoptées par notre équipe : système expert fondé sur l'activité de lecture de spectrogrammes, reconnaissance par triplets phonétiques, modèle connexionniste de colonne corticale et reconnaissance par méthode stochastique sans segmentation

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This paper was published in I-Revues.

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