Ladaptation thématique dun modèle de langue fait-elle apparaître des mots thématiquesReport as inadecuate




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1 TEXMEX - Multimedia content-based indexing IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, Inria Rennes – Bretagne Atlantique 2 METISS - Speech and sound data modeling and processing IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, Inria Rennes – Bretagne Atlantique

Abstract : Whereas topic-based adaptation of language models LM claims to increase the accuracy of topic-specific words within automatic speech recognition, this paper investigates why this wish is not always verified. After outlining the mechanisms of LM adaptation and automatic speech recognition, diagnosing elements are proposed along with solutions. In addition to a better accuracy on topic-specific words, results show better graph error rates and word error rates on a set of spoken documents with various topics





Author: Gwénolé Lécorvé - Guillaume Gravier - Pascale Sébillot -

Source: https://hal.archives-ouvertes.fr/



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