INTERSPEECH 2004 - ICSLP
This paper describes the design and implementation of the practical language learning system, and the result of the automatic pronunciation scoring for non-native English speakers. Implementing the speech recognizer, featured as two refined acoustic model sets, noise-robust data compensation, phonetic alignment, reliable rejection, etc., and by using knowledge-based acoustic-phonetic parameter estimation we achieved the correlation r=0.754 with the human rating. Also we introduce a commercial language learning architecture for web-based language tutor and the other the multimedia edutainment authoring system.
Bibliographic reference. Rhee, Seok-Chae / Park, Jeon G. (2004): "Development of the knowledge-based spoken English evaluation system and its application", In INTERSPEECH-2004, 1681-1684.