The Effect of Part-of-speech on Mandarin Speech Recognition

被引：0
|
作者：
Gong, Caixia [1 ]
Li, Xiangang [1 ]
Wu, Xihong [1 ]
机构：
[1] Peking Univ, Key Lab Machine Percept, Speech & Hearing Res Ctr, Minist Educ, Beijing 100871, Peoples R China
来源：
2013 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA) | 2013年
关键词：
LANGUAGE; MODEL;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
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页数：4
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