Comparación de modelos de lenguaje en tareas de transcripción automática de noticiarios televisivos
- Diéguez Tirado, Javier
- García Mateo, Carmen
- Cardenal López, Antonio
ISSN: 1135-5948
Any de publicació: 2005
Número: 35
Pàgines: 269-276
Tipus: Article
Altres publicacions en: Procesamiento del lenguaje natural
Resum
In this paper several language models for a bilingual broadcast news transcription task are investigated. A non-adapted approach is compared to various schemes based on mixture models. Through the use of a dynamic adaptation strategy, employing several decoders in parallel, a 20.7% reduction in the word error rate was achieved with respect to the non-adapted model. This paper also analyzes the problems of spontaneous speech, which have limited the improvements