• T.Kawahara, H.Nanjo, T.Shinozaki, and S.Furui.
    Benchmark test for speech recognition using the Corpus of Spontaneous Japanese.
    In Proc. ISCA \& IEEE Workshop on Spontaneous Speech Processing and Recognition, p. (to appear), 2003.

  • H.Nanjo, K.Shitaoka, and T.Kawahara.
    Automatic transformation of lecture transcription into document style using statistical framework.
    In Proc. ISCA \& IEEE Workshop on Spontaneous Speech Processing and Recognition, p. (to appear), 2003.

  • H.Nanjo and T.Kawahara.
    Unsupervised language model adaptation for lecture speech recognition.
    In Proc. ISCA \& IEEE Workshop on Spontaneous Speech Processing and Recognition, p. (to appear), 2003.

  • Y.Akita, M.Nishida, and T.Kawahara.
    Automatic transcription of discussions using unsupervised speaker indexing.
    In Proc. ISCA \& IEEE Workshop on Spontaneous Speech Processing and Recognition, p. (to appear), 2003.

  • I.R.Lane, T.Kawahara, and T.Matsui.
    Language model switching based on topic detection for dialog speech recognition.
    In Proc. IEEE-ICASSP, p. (accepted for publication), 2003.

  • M.Nishida and T.Kawahara.
    Unsupervised speaker indexing using speaker model selection based on Bayesian information criterion.
    In Proc. IEEE-ICASSP, p. (accepted for publication), 2003.

  • K.Okuda, T.Kawahara, and S.Nakamura.
    Speaking rate compensation based on likelihood criterion in acoustic model training and decoding.
    In Proc. ICSLP, pp.2589--2592, 2002.

  • Y.Tsubota, T.Kawahara, and M.Dantsuji.
    Recognition and verification of English by Japanese students for computer-assisted language learning system.
    In Proc. ICSLP, pp.1205--1208, 2002.

  • K.Imoto, Y.Tsubota, A.Raux, T.Kawahara, and M.Dantsuji.
    Modeling and automatic detection of English sentence stress for computer-assisted English prosody learning system.
    In Proc. ICSLP, pp.749--752, 2002.

  • A.Raux and T.Kawahara.
    Automatic intelligibility assessment and diagnosis of critical pronunciation errors for computer-assisted pronunciation learning.
    In Proc. ICSLP, pp.737--740, 2002.

  • Y.Yamakata, T.Kawahara, and H.G.Okuno.
    Belief network based disambiguation of object reference in spoken dialogue system for robot.
    In Proc. ICSLP, pp.177--180, 2002.

  • K.Komatani, T.Kawahara, R.Ito, and H.G.Okuno.
    Efficient dialogue strategy to find users' intended items from information query results.
    In Proc. COLING, pp.481--487, 2002.

  • Y.Yamakata, T.Kawahara, and H.G.Okuno.
    Belief network based disambiguation of object reference in spoken dialogue system for robot.
    In Proc. ISCA workshop on Multi-Modal Dialogue in Mobile Environments, 2002.

  • T.Kawahara and M.Hasegawa.
    Automatic indexing of lecture speech by extracting topic-independent discourse markers.
    In Proc. IEEE-ICASSP, pp.1--4, 2002.

  • H.Nanjo and T.Kawahara.
    Speaking-rate dependent decoding and adaptation for spontaneous lecture speech recognition.
    In Proc. IEEE-ICASSP, pp.725--728, 2002.

  • A.Raux and T.Kawahara.
    Optimizing computer-assisted pronunciation instruction by selecting relevant training topics.
    In InSTIL 2002 Advanced Workshop, 2002.

  • Y.Tsubota, T.Kawahara, and M.Dantsuji.
    CALL system for Japanese students of English using formant structure estimation and pronunciation error prediction.
    In InSTIL 2002 Advanced Workshop, 2002.

  • T.Kawahara, H.Nanjo, and S.Furui.
    Automatic transcription of spontaneous lecture speech.
    In Proc. IEEE workshop on Automatic Speech Recognition and Understanding, 2001.

  • H.Nanjo, K.Kato, and T.Kawahara.
    Speaking rate dependent acoustic modeling for spontaneous lecture speech recognition.
    In Proc. EUROSPEECH, pp.2531--2534, 2001.

  • A.Lee, T.Kawahara, and K.Shikano.
    Julius -- an open source real-time large vocabulary recognition engine.
    In Proc. EUROSPEECH, pp.1691--1694, 2001.

  • K.Komatani, K.Tanaka, H.Kashima, and T.Kawahara.
    Domain-independent spoken dialogue platform using key-phrase spotting based on combined language model.
    In Proc. EUROSPEECH, pp.1319--1322, 2001.

  • A.Lee, T.Kawahara, and K.Shikano.
    Gaussian mixture selection using context-independent HMM.
    In Proc. IEEE-ICASSP, pp.69--72, 2001.

  • 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.

  • Y.Tsubota, M.Dantsuji, and T.Kawahara.
    Computer-assisted English vowel learning system for Japanese speakers using cross language formant structures.
    In Proc. ICSLP, Vol.3, pp.566--569, 2000.

  • K.Imoto, M.Dantsuji, and T.Kawahara.
    Modelling of the perception of English sentence stress for computer-assisted language learning.
    In Proc. ICSLP, Vol.3, pp.175--178, 2000.

  • H.Nanjo, A.Lee, and T.Kawahara.
    Automatic diagnosis of recognition errors in large vocabulary continuous speech recognition systems.
    In Proc. ICSLP, Vol.2, pp.1027--1030, 2000.

  • K.Komatani and T.Kawahara.
    Generating effective confirmation and guidance using two-level confidence measures for dialogue systems.
    In Proc. ICSLP, Vol.2, pp.648--651, 2000.

  • K.Kato, H.Nanjo, and T.Kawahara.
    Automatic transcription of lecture speech using topic-independent language modeling.
    In Proc. ICSLP, Vol.1, pp.162--165, 2000.

  • H.Fujisaki, K.Shirai, S.Doshita, S.Nakagawa, K.Hirose, S.Itahashi, T.Kawahara, S.Ohno, H.Kikuchi, K.Abe, and S.Kiriyama.
    Overview of an intelligent system for information retrieval based on human-machine dialogue through spoken language.
    In Proc. ICSLP, Vol.1, pp.70--73, 2000.

  • T.Kawahara, K.Komatani, and S.Doshita.
    Dialogue management using concept-level confidence measures of speech recognition.
    In Proc. Int'l Sympo. on Spoken Dialogue, 2000.

  • K.Komatani and T.Kawahara.
    Flexible mixed-initiative dialogue management using concept-level confidence measures of speech recognizer output.
    In Proc. COLING, pp.467--473, 2000.

  • A.Lee, T.Kawahara, K.Takeda, and K.Shikano.
    A new phonetic tied-mixture model for efficient decoding.
    In Proc. IEEE-ICASSP, pp.1269--1272, 2000.

  • T.Kawahara, T.Kobayashi, K.Takeda, N.Minematsu, K.Itou, M.Yamamoto, A.Yamada, T.Utsuro, and K.Shikano.
    Japanese dictation toolkit -- plug-and-play framework for speech recognition R\&D --.
    In Proc. IEEE workshop on Automatic Speech Recognition and Understanding, pp.393--396, 1999.

  • C.-H.Jo, T.Kawahara, and S.Doshita.
    The use of duration similarity templates in speech rhythm training.
    In Proc. IEEE Region 10 Conference (TENCON), pp.146--149, 1999.

  • C.-H.Jo, T.Kawahara, and S.Doshita.
    Mora-timed speech rhythm training system using rhythm pattern templates.
    In Proc. Int'l Conf. on Speech Processing, pp.129--134, 1999.

  • T.Kawahara, K.Tanaka, and S.Doshita.
    Domain-independent platform of spoken dialogue interfaces for information query.
    In Proc. ESCA workshop on Interactive Dialogue in Multi-Modal Systems, pp.69--72, 1999.

  • T.Kawahara, K.Tanaka, and S.Doshita.
    Virtual fitting room with spoken dialogue interface.
    In Proc. ESCA workshop on Interactive Dialogue in Multi-Modal Systems, pp.5--8, 1999.

  • T.Kawahara, T.Kobayashi, K.Takeda, N.Minematsu, K.Itou, M.Yamamoto, A.Yamada, T.Utsuro, and K.Shikano.
    Japanese dictation toolkit -- free software repository for speech recognition --.
    In Proc. ESCA workshop on Interactive Dialogue in Multi-Modal Systems, p. 161, 1999.

  • T.Kawahara and S.Doshita.
    Topic independent language model for key-phrase detection and verification.
    In Proc. IEEE-ICASSP, pp.685--688, 1999.

  • T.Kawahara, K.Ishizuka, S.Doshita, and C.-H.Lee.
    Speaking-style dependent filler phrase model for key-phrase detection and verification.
    In Proc. ICSLP, pp.3253--3256, 1998.

  • T.Kawahara, T.Kobayashi, K.Takeda, N.Minematsu, K.Itou, M.Yamamoto, T.Utsuro, and K.Shikano.
    Sharable software repository for Japanese large vocabulary continuous speech recognition.
    In Proc. ICSLP, pp.3257--3260, 1998.

  • F.M.Quimbo, T.Kawahara, and S.Doshita.
    Prosodic analysis of fillers and self-repair in Japanese speech.
    In Proc. ICSLP, pp.3313--3316, 1998.

  • A.Lee, T.Kawahara, and S.Doshita.
    An efficient two-pass search algorithm using word trellis index.
    In Proc. ICSLP, pp.1831--1834, 1998.

  • C.-H.Jo, T.Kawahara, S.Doshita, and M.Dantsuji.
    Automatic pronunciation error detection and guidance for foreign language learning.
    In Proc. ICSLP, pp.2639--2642, 1998.

  • S.Itahashi, M.Yamamoto, and T.Kawahara.
    Speech corpus by ``spoken dialogue'' project.
    In Proc. Oriental-COCOSDA workshop, pp.156--161, 1998.

  • T.Kawahara, A.Lee, T.Kobayashi, K.Takeda, N.Minematsu, K.Itou, A.Ito, M.Yamamoto, A.Yamada, T.Utsuro, and K.Shikano.
    Common platform of Japanese large vocabulary continuous speech recognizer assessment -- proposal and initial results --.
    In Proc. Oriental-COCOSDA workshop, pp.117--122, 1998.

  • T.Kawahara, S.Doshita, and C.-H.Lee.
    Phrase language models for detection and verification-based speech understanding.
    In Proc. IEEE workshop on Automatic Speech Recognition and Understanding, pp.49--56, 1997.

  • C.-H.Jo, T.Kawahara, S.Doshita, and M.Dantsuji.
    Japanese pronunciation training system with HMM segmentation and distinctive feature classification.
    In Proc. Int'l Conf. on Speech Processing, pp.341--346, 1997.

  • C.-H.Jo, T.Kawahara, and S.Doshita.
    Computer-aided foreign language pronunciation learning system under virtual environment.
    In Proc. World Conf. on Artificial Intelligence in Education (AI-ED), pp.601--603, 1997.

  • T.Kawahara, C.H.Lee, and B.H.Juang.
    Combining key-phrase detection and subword-based verification for flexible speech understanding.
    In Proc. IEEE-ICASSP, pp.1159--1162, 1997.

  • H.Masataki, Y.Sagisaka, K.Hisaki, and T.Kawahara.
    Task adaptation using MAP estimation in n-gram language modeling.
    In Proc. IEEE-ICASSP, pp.783--786, 1997.

  • T.Kawahara, C.H.Lee, and B.H.Juang.
    Key-phrase detection and verification for flexible speech understanding.
    In Proc. ICSLP, pp.861--864, 1996.

  • T.Kawahara, N.Kitaoka, and S.Doshita.
    Concept-based phrase spotting approach for spontaneous speech understanding.
    In Proc. IEEE-ICASSP, pp.291--294, 1996.

  • T.Kawahara, M.Araki, and S.Doshita.
    Comparison of parsing and spotting approaches for spoken dialogue understanding.
    In Proc. ESCA workshop on Spoken Dialogue Systems, pp. 21--24, 1995.

  • T.Kawahara, T.Munetsugu, N.Kitaoka, and S.Doshita.
    Keyword and phrase spotting with heuristic language model.
    In Proc. ICSLP, Vol.2, pp.815--818, 1994.

  • T.Kawahara, M.Araki, and S.Doshita.
    Heuristic search integrating syntactic, semantic and dialog-level constraints.
    In Proc. IEEE-ICASSP, Vol.2, pp.25--28, 1994.

  • T.Kawahara, M.Araki, and S.Doshita.
    Reducing syntactic perplexity of user utterances with automaton dialogue model.
    In Int'l Sympo. on Spoken Dialogue, pp.65--68, 1993.

  • T.Kawahara, S.Matsumoto, and S.Doshita.
    A*-admissible context-free parsing on HMM trellis for speech understanding.
    In Proc. Pacific Rim Int'l Conf. on Artificial Intelligence, Vol.2, pp.1203--1208, 1992.

  • T.Kawahara and S.Doshita.
    HMM based on pair-wise Bayes classifiers.
    In Proc. IEEE-ICASSP, Vol.1, pp.365--368, 1992.

  • P.Fung, T.Kawahara, and S.Doshita.
    Unsupervised speaker normalization by speaker Markov model converter for speaker-independent speech recognition.
    In Proc. EUROSPEECH, pp.1111--1114, 1991.

  • T.Kawahara and S.Doshita.
    Phoneme recognition by combining discriminant analysis and HMM.
    In Proc. IEEE-ICASSP, pp.557--560, 1991.

  • T.Kawahara, T.Ogawa, S.Kitazawa, and S.Doshita.
    Phoneme recognition by combining Bayesian linear discriminations of selected pairs of classes.
    In Proc. ICSLP, pp.229--232, 1990.