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

Author

Caixia Gong ; Xiangang Li ; Xihong Wu

Author_Institution

Key Lab. of Machine Perception (Minist. of Educ.), Peking Univ., Beijing, China

fYear

2013

fDate

Oct. 29 2013-Nov. 1 2013

Firstpage

1

Lastpage

4

Abstract

This paper concentrates on the effect of part-of-speech 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 (CER) reduction is achieved. Moreover, we find that performance improvement is mainly due to the relationship between part-of-speech and pronunciation of heteronyms.

Keywords

dictionaries; natural language processing; speech recognition; Mandarin speech recognition; character error rate reduction; heteronyms; language model; lexical ambiguity; part-of-speech effect; pronunciation dictionary; Acoustics; Computational modeling; Dictionaries; Hidden Markov models; Refining; Speech; Speech recognition;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2013 Asia-Pacific

Conference_Location

Kaohsiung

Type

conf

DOI

10.1109/APSIPA.2013.6694172

Filename

6694172