Phone-dependent channel compensated hidden Markov model for telephone speech recognition

被引：1
|
作者：
Chien, JT [1 ]
Wang, HC
机构：
[1] Natl Cheng Kung Univ, Dept Comp Sci & Informat Engn, Tainan 70101, Taiwan
[2] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu 30043, Taiwan
来源：
IEEE SIGNAL PROCESSING LETTERS | 1998年 / 5卷 / 06期
关键词：
D O I：
10.1109/97.681431
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：
In this letter, we propose the phone-dependent channel compensated hidden Markov model (PDCC-HMM) for telephone speech recognition. The PDCC-HMM is derived by modifying the conventional hidden Markov model (HMM) with the phone-dependent channel compensation vectors. The telephone speech is recognized efficiently by using the derived PDCC-HMM. Experiments demonstrate the robustness of PDCC-HMM in speech recognition and show the significant reduction of recognition error rate by 50% as comparing to the conventional HMM method.
引用
收藏
页码：143 / 145
页数：3
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