20 Aug l at CUHK A Feature Weighting Method for Robust speech Recognition Speech Activities in CST Thomas Fang Zheng Center of Speech Technology State Key Lab of Intelligent Technology and systems Department of Computer Science Technology Tsinghua University fzheng@sp.cs.tsinghua.edu.cn,http:/sp.cs.tsinghuaeducn/fzheng
A Feature Weighting Method for Robust Speech Recognition Thomas Fang Zheng Center of Speech Technology State Key Lab of Intelligent Technology and Systems Department of Computer Science & Technology Tsinghua University fzheng@sp.cs.tsinghua.edu.cn, http://sp.cs.tsinghua.edu.cn/~fzheng/ -- Speech Activities in CST 20 Aug 01 at CUHK
Center of Speech Technology a Founded in 1979, named as Speech laboratory a Joined the State Key laboratory of intelligent Technology and Systems in 1999. renamed as Center of speech Technolog ahttp:/sp.cs.tsinghuaeducn/ Center of speech Technology, Tsinghua University Slide 2
Center of Speech Technology, Tsinghua University Slide 2 ❑ Founded in 1979, named as Speech Laboratory ❑ Joined the State Key Laboratory of Intelligent Technology and Systems in 1999, renamed as Center of Speech Technology ❑ http://sp.cs.tsinghua.edu.cn/ Center of Speech Technology
Members of cst in 2001 5 ■ Post doctors 口 Doc tora1 Students 口 Master students Center of speech Technology, Tsinghua University Slide 3
Center of Speech Technology, Tsinghua University Slide 3 5 1 13 7 Faculty Post Doctors Doctoral Students Master Students Members of CST in 2001
Founding resources a State fundamental research plan: NSF, 863, 973, 985 o Collaboration with industries 令 Microsoft 令IBM 冷 Intel 今 Lucent technologies ☆NOka 令 Wenwen SoundTek ☆ keysun Center of speech Technology, Tsinghua University Slide 4
Center of Speech Technology, Tsinghua University Slide 4 ❑ State fundamental research plan: NSF, 863, 973, 985 ❑ Collaboration with industries: ❖ Microsoft ❖ IBM ❖ Intel ❖ Lucent Technologies ❖ Nokia ❖ Weniwen ❖ SoundTek ❖ Keysun ❖ ... Founding Resources
Speech Research Activities a Acoustic Modeling Natural/Spoken Speech s Feature Extraction and Selection Understanding(NLU/SLU 今 Acoustic Modeling e NLU -GLR Based Parsing Accurate fast AM Search , SLU-Kw based robust parsing 令 Robustness 令 Dialogue Manager Speech Enhancement 日 Applications Fractals ☆ Command and control Speaker Adaptation Speaker Normalization Keyword spotting Chinese Pronunciation Modeling 令 Language Learning a Language modeling Input method editor Chinese dictation machine Characteristics of Chinese 令 Spoken dialogues ,s Language Modeling and Search Speaker identification and , LM Adaptation New Word verification Induction 口 Resources Center of speech Technology, Tsinghua University Slide 5
Center of Speech Technology, Tsinghua University Slide 5 Speech Research Activities ❑ Acoustic Modeling ❖ Feature Extraction and Selection ❖ Acoustic Modeling ❖ Accurate & fast AM Search ❖ Robustness ➢ Speech Enhancement ➢ Fractals ➢ Speaker Adaptation ➢ Speaker Normalization ➢ Chinese Pronunciation Modeling ❑ Language Modeling ❖ Characteristics of Chinese ❖ Language Modeling and Search ❖ LM Adaptation & New Word Induction ❑ Natural/Spoken Speech Understanding (NLU/SLU) ❖ NLU - GLR Based Parsing ❖ SLU - KW based robust parsing ❖ Dialogue Manager ❑ Applications ❖ Command and control ❖ Keyword spotting ❖ Language Learning ❖ Input method editor ❖ Chinese dictation machine ❖ Spoken dialogues ❖ Speaker identification and verification ❑ Resources