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

页码：143 / 145

页数：3

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