• T.Kawahara.
  Automatic transcription of parliamentary meetings and classroom lectures -- a sustainable approach and real system evaluations --.
  In Proc. Int'l Sympo. Chinese Spoken Language Processing (ISCSLP), pp.1--6 (keynote speech), 2010. (PDF file)
• Y.Akita and T.Kawahara.
  Statistical transformation of language and pronunciation models for spontaneous speech recognition.
  IEEE Trans. Audio, Speech \& Language Process., Vol.18, No.6, pp.1539--1549, 2010. (text) (PDF file) (KURENAI)
• Y.Akita, M.Mimura, and T.Kawahara.
  Automatic transcription system for meetings of the Japanese National Congress.
  In Proc. INTERSPEECH, pp.84--87, 2009. (PDF file)

Indexing and Annotation of Lectures & Meetings

• G.Neubig, Y.Akita, S.Mori, and T.Kawahara.
  Improved statistical models for SMT-based speaking style transformation.
  In Proc. IEEE-ICASSP, pp.5206--5209, 2010. (PDF file)
• T.Kawahara, M.Hasegawa, K.Shitaoka, T.Kitade, and H.Nanjo.
  Automatic indexing of lecture presentations using unsupervised learning of presumed discourse markers.
  IEEE Trans. Speech \& Audio Process., Vol.12, No.4, pp. 409--419, 2004. (text) (PDF file) (KURENAI)
• M.Nishida and T.Kawahara.
  Speaker model selection based on Bayesian information criterion applied to unsupervised speaker indexing.
  IEEE Trans. Speech \& Audio Process., Vol.13, No.4, pp. 583--592, 2005. (text) (PDF file)

Speech Understanding

• I.R.Lane, T.Kawahara, T.Matsui, and S.Nakamura.
  Out-of-domain utterance detection using classification confidences of multiple topics.
  IEEE Trans. Audio, Speech \& Language Process., Vol.15, No.1, pp.150--161, 2007. (text) (PDF file) (KURENAI)
• H.Nanjo and T.Kawahara.
  A new ASR evaluation measure and minimum Bayes-risk decoding for open-domain speech understanding.
  In Proc. IEEE-ICASSP, Vol.1, pp.1053--1056, 2005. (PDF file)
• T.Kawahara, C.-H.Lee, and B.-H.Juang.
  Flexible speech understanding based on combined key-phrase detection and verification.
  IEEE Trans. Speech \& Audio Process., Vol.6, No.6, pp. 558--568, 1998. (text) (PDF file)

Spoken Dialogue Systems

• T.Misu and T.Kawahara.
  Bayes risk-based dialogue management for document retrieval system with speech interface.
  Speech Communication, Vol.52, No.1, pp.61--71, 2010. (PDF file)
• T.Misu and T.Kawahara.
  Dialogue strategy to clarify user's queries for document retrieval system with speech interface.
  Speech Communication, Vol.48, No.9, pp.1137--1150, 2006. (PDF file)
• K.Komatani, S.Ueno, T.Kawahara, and H.G.Okuno.
  User modeling in spoken dialogue systems to generate flexible guidance.
  User Modeling and User-Adapted Interaction, Vol.15, No.1, pp. 169--183, 2005. (PDF file)

Robust Speech Processing

• D.Cournapeau, S.Watanabe, A.Nakamura, and T.Kawahara.
  Online unsupervised classification with model comparison in the Variational Bayes framework for voice activity detection.
  IEEE J. Selected Topics in Signal Processing, Vol.4, No.6, pp.1071--1083, 2010. (text) (PDF file) (KURENAI)
• R.Gomez and T.Kawahara.
  Robust speech recognition based on dereverberation parameter optimization using acoustic model likelihood.
  IEEE Trans. Audio, Speech \& Language Process., Vol.18, No.7, pp.1708--1716, 2010. (text) (PDF file) (KURENAI)
• Y.Kida and T.Kawahara.
  Evaluation of voice activity detection by combining multiple features with weight adaptation.
  In Proc. INTERSPEECH, pp.1966--1969, 2006. (PDF file)

CALL (Computer Assisted Language Learning)

• H.Wang, C.J.Waple, and T.Kawahara.
  Computer assisted language learning system based on dynamic question generation and error prediction for automatic speech recognition.
  Speech Communication, Vol.51, No.10, pp.995--1005, 2009. (PDF file)
• Y.Tsubota, T.Kawahara, and M.Dantsuji.
  An English pronunciation learning system for Japanese students based on diagnosis of critical pronunciation errors.
  ReCALL Journal, Vol.16, No.1, pp.173--188, 2004. (PDF file)

Large Vocabulary Continuous Speech Recognition Platform

• A.Lee and T.Kawahara.
  Recent development of open-source speech recognition engine Julius.
  In Proc. APSIPA ASC, pp.131--137, 2009. (PDF file)
• T.Kawahara, A.Lee, K.Takeda, K.Itou, and K.Shikano.
  Recent progress of open-source LVCSR engine Julius and Japanese model repository.
  In Proc. ICSLP, pp.3069--3072, 2004. (PDF file)
• A.Lee, T.Kawahara, and K.Shikano.
  Julius -- an open source real-time large vocabulary recognition engine.
  In Proc. EUROSPEECH, pp.1691--1694, 2001. (PDF file)
• T.Kawahara, A.Lee, T.Kobayashi, K.Takeda, N.Minematsu, S.Sagayama, K.Itou, A.Ito, M.Yamamoto, A.Yamada, T.Utsuro, and K.Shikano.
  Free software toolkit for Japanese large vocabulary continuous speech recognition.
  In Proc. ICSLP, Vol.4, pp.476--479, 2000. (PDF file)