The effect of part-of-speech on Mandarin speech recognition

Caixia Gong, Xiangang Li, Xihong Wu
2013 2013 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference  
This paper concentrates on the effect of part-ofspeech on Mandarin speech recognition by incorporating it into language model and pronunciation dictionary. This work is motivated by the two benefits of part-of-speech, one is to reduce the lexical ambiguity in language model to some extent and the other is to provide some information about the pronunciation of heteronyms. The experiments conducted on two corpora, tagged manually or automatically, show that a 3% relative character error rate
more » ... reduction is achieved. Moreover, we find that performance improvement is mainly due to the relationship between part-of-speech and pronunciation of heteronyms. I.
doi:10.1109/apsipa.2013.6694172 dblp:conf/apsipa/GongLW13 fatcat:cf6dz235wrf6niuzk6xurdjndm