ENGLISH PAGE / JAPANESE PAGE / LOCAL PAGE

I retired March 2021.

Name †

  • First name
    Keiichiro
  • Family name
    Oura
↑

Society †

  • Acoustical Society of Japan
  • Information Processing Society of Japan
↑

Contact information †

  • Address
    Department of Computer Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, 466-8555 Japan
  • TEL/FAX
    81-52-735-7552/5840
  • E-Mail
    uratec@sp.nitech.ac.jp
    Please, *do not* ask any questions about software (or algorithm) to me *directly*. Use the mailing lists. I don't answer to you.
↑

Biography †

  • Professional Experiences
    • Jun. 2020 - Mar. 2021
      Nagoya Institute of Technology, Department of Computer Science and Engineering, Project Associate Professor
    • Apr. 2017 - May 2021
      Nagoya Institute of Technology, Department of Computer Science and Engineering, Specially-Appointed Associate Professor
    • Apr. 2012 - Mar. 2017
      JST CREST, Researcher
    • Apr. 2010 - Mar. 2017
      Nagoya Institute of Technology, Department of Computer Science and Engineering, Specially-Appointed Assistant Professor
    • Dec. 2009 - Mar. 2012
      MIC SCOPE, Researcher
    • Nov. 2009 - Present
      Techno-Speech, Inc., Representative Director & CEO
    • Mar. 2008 - Nov. 2009
      FP7 EMIME project, Researcher
    • Sep. 2007 - Dec. 2007
      ATR Spoken Language Communication Research Laboratories, Intern Researcher
  • Educations
    • Apr. 2007 - Mar. 2010
      Nagoya Institute of Technology, Department of Computer Science and Engineering (Ph.D.)
    • Apr. 2005 - Mar. 2007
      Nagoya Institute of Technology, Department of Computer Science and Engineering (Master)
    • Apr. 2001 - Mar. 2005
      Nagoya Institute of Technology, Department of Computer Science
  • Awards
  • Mar. 2020.
    IPSJ Microsoft Faculty Award 2019
  • Sep. 2019.
    ASJ AWAYA KIYOSHI Award
  • Jan. 2017
    AICHI Innovation generation promotion program 'WAKASHACHI' Award
  • Jun. 2013
    IPSJ KIYASU Special Industrial Achievement Award
  • Mar. 2013
    ASJ ITAKURA Award
  • Mar. 2012
    IPSJ YAMASHITA SIG Research Award
  • Dec. 2008
    ISCLSP2008 Best Student Paper Award
↑

Software tools †

↑

Main Member †

  • HTS
    HMM-based speech synthesis system (Design and Development, Main Maintainer).
  • hts_engine API
    Speech synthesis engine for HTS (Design and Development, Main Maintainer).
  • SPTK
    Speech signal processing toolkit (Main Maintainer).
  • MMDAgent
    Toolkit for building voice interaction systems (Project Member).
↑

Sub Member †

  • Festival
    Language-independent TTS system (Developer of HMM-based speech synthesis module).
↑

Work †

↑

Journal Paper †

  1. IEEE (Oct. 2021)
    PeriodNet: A Non-Autoregressive Raw Waveform Generative Model With a Structure Separating Periodic and Aperiodic Components,
    Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    IEEE Access, vol. 9, pp. 137599-137612, 2021-10.
  2. IEEE (Aug. 2021)
    Sinsy: A Deep Neural Network-Based Singing Voice Synthesis System,
    Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    IEEE/ACM Transactions on Audio, Speech and Language Processing, vol. 29, pp. 2803-2815, 2021-08.
  3. IEEE (Mar. 22 2018)
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Mel-Cepstrum-Based Quantization Noise Shaping Applied to Neural-Network-Based Speech Waveform Synthesis,
    IEEE Transactions on Audio, Speech and Language Processing, vol. 26, no. 7, pp. 1177-1184, 2018-03.
  4. AST (Mar. 01 2018)
    Constructing text-to-speech systems for languages with unknown pronunciations,
    Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Science and Technology, vol. 39, issue 2, pp. 119-129, 2018-03.
  5. ISCIE (Feb. 15 2018)
    Keiichiro Oura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
    Introduction to hidden Markov model-based Japanese TTS software,
    ISCIE, vol. 62, no. 2, pp. 57-62, 2018-02. (Tutorial paper)
  6. IEEE (Sep. 01 2017)
    Simultaneous optimization of multiple tree-based factor analyzed HMM for speech synthesis,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    IEEE/ACM Transactions on Audio, Speech and Language Processing, vol. 25, no. 9, pp. 1532-1541, 2017-09.
  7. IEICE (Jun. 01 2015)
    State-of-the-art singing voice synthesis based on a statistical model,
    Keiichiro Oura,
    Journal of IEICE, vol. 98, no. 6, pp. 460-466, 2015-06. (Tutorial paper)
  8. IEICE (Oct. 01 2014)
    Hidden Markov Model-based English Singing Voice Synthesis,
    Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    IEICE, vol. J97-D, no. 11, pp. 1572-1581, 2014-10.
  9. MTAP (Jun. 2014)
    Using Speaker Adaptive Training to Realize Mandarin-Tibetan Cross-Lingual Speech Synthesis,
    Hongwu Yang, Keiichiro Oura, Haiyan Wang, Zhenye Gan, Keiichi Tokuda,
    Multimedia Tools and Applications, 2014-06.
  10. IEEE (May. 2013)
    Speech Synthesis Based on Hidden Markov Models,
    Keiichi Tokuda, Yoshihiko Nankaku, Tomoki Toda, Heiga Zen, Junichi Yamagishi, and Keiichiro Oura,
    Proceedings of the IEEE, vol. 101, no. 5, pp. 1234-1252, 2013-05. (Invited Paper)
  11. CSL (Feb. 2013)
    Personalising speech-to-speech translation: unsupervised cross-lingual speaker adaptation for HMM-based speech synthesis,
    John Dines, Hui Liang, Matthew Gibson, Keiichiro Oura, Junichi Yamagishi, Simon King, Mirjam Wester, Lakshmi Saheer, Teemu Hirsimaki, Reima Karhila, Keiichi Tokuda, William Byrne, and Mikko Kurimo,
    Computer Speech and Language, vol. 27, pp. 420-437, 2013-02.
  12. JSAI 2013 (Jan. 2013)
    On-Campus, User-Participable, and Voice-Interactive Digital Signage,
    Keiichiro Oura, Daisuke Yamamoto, Ichi Takumi, Akinobu Lee, and Keiichi Tokuda,
    JSAI, vol. 28, no. 1, pp. 60-67, 2013-01. (Invited Paper)
  13. SPECOM (Jul. 2012)
    Analysis of unsupervised cross-lingual speaker adaptation for HMM-based speech synthesis using KLD-based transform mapping,
    Keiichiro Oura, Junichi Yamagishi, Mirjam Wester, Simon King, and Keiichi Tokuda,
    Speech Communication, vol. 54, pp. 703-714, 2012-07.
  14. IEEE (Jun. 14 2010)
    Thousands of Voices for HMM-based Speech Synthesis – Analysis and Application of TTS Systems Built on Various ASR Corpora,
    Junichi Yamagishi, Bela Usabaev, Simon King, Oliver Watts, John Dines, Jilei Tian, Yong Guan, Rile Hu, Keiichiro Oura, Yi-Jian Wu, Keiichi Tokuda, Reima Karhila, Mikko Kurimo,
    IEEE Transactions on Audio, Speech, and Language Processing, vol. 18, no. 5, pp. 984-1004, 2010-06.
  15. IEICE (May 01 2010)
    A Covariance-Tying Technique for HMM-based Speech Synthesis,
    Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    IEICE, vol. E93-D, no. 3, pp. 595-601, 2010-03.
  16. IEICE (Nov. 01 2008)
    A Fully Consistent Hidden Semi-Markov Model-Based Speech Recognition System,
    Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    IEICE, vol. E91-D, no. 11, pp. 2693-2700, 2008-11.
↑

International Conference †

  1. ICASSP2021 in Toronto, Canada (Jun. 06-11, 2021)
    PeriodNet: A non-autoregressive waveform generation model with a structure separating periodic and aperiodic components,
    Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2021, 2021-06. (accepted)
  2. Interspeech2020 in Shanghai, China (Oct 26-29, 2020)
    Hierarchical Multi-Grained Generative Model for Expressive Speech Synthesis,
    Yukiya Hono, Kazuna Tsuboi, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Interspeech2020, pp. 3441–3445, 2020-10.
  3. ICASSP2020 in Barcelona, Spain (May 04-08, 2020)
    Semi-supervised learning based on hierarchical generative models for end-to-end speech synthesis,
    Takato Fujimoto, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2020, pp. 7644-7648, 2020-05.
  4. ICASSP2020 in Barcelona, Spain (May 04-08, 2020)
    Fast and high-quality singing voice synthesis system based on convolutional neural networks,
    Kazuhiro Nakamura, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2020, pp. 7239-7243, 2020-05.
  5. SSW10 in Wien，Austria (Sep. 20-22, 2019)
    Low computational cost speech synthesis based on deep neural networks using hidden semi-Markov model structures,
    Motoki Shimada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    SSW10, pp. 177-182, 2019-09.
  6. SSW10 in Wien，Austria (Sep. 20-22, 2019)
    Impacts of input linguistic feature representation on Japanese end-to-end speech synthesis
    Takato Fujimoto, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    SSW10, pp. 166-171, 2019-09.
  7. SSW10 in Wien，Austria (Sep. 20-22, 2019)
    Deep neural network based real-time speech vocoder with periodic and aperiodic inputs,
    Keiichiro Oura, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
    SSW10, pp. 13-18, 2019-09.
  8. ICASSP2019 in Brighton，UK (Mar. 12-17, 2019)
    Speaker-dependent WaveNet-based delay-free ADPCM speech coding,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2019, pp. 7145-7149, 2019-03.
  9. ICASSP2019 in Brighton，UK (Mar. 12-17, 2019)
    Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Singing voice synthesis based on generative adversarial networks,
    ICASSP2019, pp. 6955-6959, 2019-03.
  10. SLT2018 in Athens，Greece (Dec. 18-21, 2018)
    WaveNet-based zero-delay lossless speech coding,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    SLT 2018, pp. 153-158, 2018-12.
  11. APSIPA2018 in Honolulu，USA (Nov. 12-15, 2018)
    Singing voice conversion using posted waveform data on music social media,
    Koki Senda, Yukiya Hono, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    APSIPA2018, pp. 1913-1917, 2018-11.
  12. APSIPA2018 in Honolulu，USA (Nov. 12-15, 2018)
    Recent development of the DNN-based singing voice synthesis system -- Sinsy,
    Yukiya Hono, Shumma Murata, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    APSIPA2018, pp. 1003-1009, 2018-11.
  13. APSIPA2018 in Honolulu，USA (Nov. 12-15, 2018)
    Speech synthesis using WaveNet vocoder based on periodic/aperiodic decomposition,
    Takato Fujimoto, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    APSIPA2018, pp. 644-648, 2018-11.
  14. APSIPA2018 in Honolulu, USA (Nov. 12-15, 2018)
    Speaker adaptation for speech synthesis based on deep neural networks using hidden semi-Markov model structures,
    Kento Nakao, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    APSIPA2018, pp. 638-643, 2018-11.
  15. APSIPA2018 in Honolulu, USA (Nov. 12-15, 2018) Discriminative feature extraction based on sequential variational autoencoder for speaker recognition,
    Takenori Yoshimura, Natsumi Koike, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    APSIPA2018, pp. 1742-1746, 2018-11.
  16. APSIPA2018 in Honolulu, USA (Nov. 12-15, 2018)
    Takayuki Kasugai, Yoshinari Tsuzuki, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Image recognition based on convolutional neural networks using features generated from separable lattice hidden Markov models,
    APSIPA2018, pp. 324-328, 2018-11.
  17. Blizzard Challenge 2018 in Telangana, India (Sep. 08, 2018)
    The NITech text-to-speech system for the Blizzard Challenge 2018,
    Kei Sawada, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, and Keiichi Tokuda,
    Proceedings of Blizzard Challenge 2018 Workshop, 2018-09. (web proceedings)
  18. ICASSP2018 in Calgary, Canada (Apr. 15-20 2018)
    Statistical voice conversion based on WaveNet,
    Jumpei Niwa, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2018, pp. 5289-5293, 2018-04.
  19. Blizzard Challenge 2017 in Stockholm, Sweden (Aug. 25, 2017)
    The NITech text-to-speech system for the Blizzard Challenge 2017,
    Kei Sawada, Kei Hashimoto, Keiichiro Oura, and Keiichi Tokuda,
    Proceedings of Blizzard Challenge 2017 Workshop, 2017-08. (web proceedings)
  20. Blizzard Challenge 2016 in California, USA (Sep. 16, 2016)
    The NITech text-to-speech system for the Blizzard Challenge 2016,
    Kei Sawada, Chiaki Asai, Kei Hashimoto, Keiichiro Oura, and Keiichi Tokuda,
    Proceedings of Blizzard Challenge 2016 Workshop, 2016-09. (web proceedings)
  21. SSW9 in California, USA (Sep. 13-15, 2016)
    Temporal modeling in neural network based statistical parametric speech synthesis,
    Keiichi Tokuda, Kei Hashimoto, Keiichiro Oura, and Yoshihiko Nankaku,
    SSW9, pp. 113-118, 2016-09.
  22. Interspeech2016 in California, USA (Sep. 08-12, 2016)
    Redefining the linguistic context feature set for HMM and DNN TTS through position and parsing,
    Rasmus Dall, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Interspeech2016, pp. 2851-2855, 2016-09.
  23. Interspeech2016 in California, USA (Sep. 08-12, 2016)
    Singing voice synthesis based on deep neural networks,
    Masanari Nishimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Interspeech2016, pp. 2478-2482, 2016-09.
  24. Interspeech2016 in California, USA (Sep. 08-12, 2016)
    Voice conversion based on trajectory model training of neural networks considering global variance,
    Naoki Hosaka, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Interspeech2016, pp. 307-311, 2016-09.
  25. ICASSP2016 in Shanghai, China (Mar. 20-25 2016)
    Trajectory training considering global variance for speech synthesis based on neural networks,
    Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2016, pp. 5600-5604, 2016-03.
  26. Blizzard Challenge 2015 in Berlin, Germany (Sep. 11 2015)
    The NITECH HMM-based text-to-speech system for the Blizzard Challenge 2015,
    Kei Sawada, Kei Hashimoto, Keiichiro Oura, and Keiichi Tokuda,
    Blizzard Challenge 2015, 2015-09.
  27. Interspeech2015 in Dresden, Germany (Sep. 06-10 2015)
    Simultaneous optimization of multiple tree structures for factor analyzed HMM-based speech synthesis,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Interspeech2015, pp. 1196-1200, 2015-09.
  28. ICASSP2015 in Brisbane, Australia (Apr. 19-24 2015)
    The effect of neural networks in statistical parametric speech synthesis,
    Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2015, pp. 4455-4459, 2015-04.
  29. HAI2014 in Tsukuba, Japan (Oct. 28-31, 2014)
    Voice Interaction System with 3D-CG Virtual Agent for Stand-alone Smartphones,
    Daisuke Yamamoto, Keiichiro Oura, Ryota Nishimura, Takahiro Uchiya, AKinobu Lee, Ichi Takumi, and Keiichi Tokuda,
    HAI2014, pp. 320-330, 2014-10.
  30. Blizzard Challenge 2014 in Singapore (Sep. 19, 2014)
    Overview of NITECH HMM-based text-to-speech system for Blizzard Challenge 2014,
    Kei Sawada, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, and Keiichi Tokuda,
    Blizzard Challenge 2014, 2014-09.
  31. ICASSP2014 in Florence, Italy (May 04-09, 2014)
    Integration of speaker and pitch adaptive training for HMM-based singing voice synthesis,
    Kanako Shirota, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2014, pp. 2578-2582, 2014-05.
  32. ICASSP2014 in Florence, Italy (May 04-09, 2014)
    HMM-based singing voice synthesis and its application to Japanese and English,
    Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP2014, pp. 265-269, 2014-05.
  33. APSIPA2013 in Kaohsiung, Taiwan (Oct. 29-Nov. 01 2013)
    Realizing Tibetan Speech Synthesis by Speaker Adaptive Training,
    Hong-wu Yang, Keiichiro Oura, Zhen-ye Gan, and Keiichi Tokuda,
    APSIPA2013, 2013-10.
  34. Blizzard Challenge 2013 in Barcelona, Spain (Sep. 03 2013)
    Overview of NITECH HMM-based speech synthesis system for Blizzard Challenge 2013,
    Shinji Takaki, Kei Sawada, Kei Hashimoto, Keiichiro Oura, and Keiichi Tokuda,
    Blizzard Challenge 2013, 2013-09.
  35. SSW8 in Barcelona, Spain (Aug. 31-Sep. 02 2013)
    Cross-lingual speaker adaptation based on factor analysis using bilingual speech data for HMM-based speech synthesis,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    SSW8, pp. 297-302, 2013-08.
  36. SSW8 in Barcelona, Spain (Aug. 31-Sep. 02 2013)
    Gesture Control of HMM-Based Singing Voice Synthesis,
    Christophe Veaux, Maria Astrinaki, Keiichiro Oura, Robert A.J Clark, and Junichi Yamagishi,
    SSW8, pp. 247-248, 2013-08.
  37. ICASSP2013 in Vancouver, Canada (Mar. 26-31 2013)
    MMDAgent - A fully open-source toolkit for voice interaction systems,
    Akinobu Lee, Keiichiro Oura, and Keiichi Tokuda,
    ICASSP 2013, pp. 8382-8385, 2013-05.
  38. Bllizzard Challenge 2012 in Portland, USA (Sep. 14 2012)
    Overview of NITECH HMM-based speech synthesis system for Blizzard Challenge 2012,
    Shinji Takaki, Kei Sawada, Kei Hashimoto, Keiichiro Oura, and Keiichi Tokuda,
    Blizzard Challenge 2012, 2012-09.
  39. ICASSP2012 in Kyoto, Japan (Mar. 25-30 2012)
    Pitch adaptive training for HMM-based singing voice synthesis,
    Keiichiro Oura, Ayami Mase, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICASSP 2012, pp. 5377-5380, 2012-03.
  40. Blizzard Challenge 2011 in Turin, Italy (Sep. 02 2011)
    Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2011,
    Kei Hashimoto, Shinji Takaki, Keiichiro Oura, and Keiichi Tokuda,
    Blizzard Challenge 2011, 2011-09.
  41. Interspeech2011 in Florence, Italy (Aug. 28-31 2011)
    Large-scale Subjective Evaluations of Speech Rate Control Methods for HMM-based Speech Synthesizers,
    Makoto Yamada, Nobuyuki Nishizawa, Tsuneo Kato, Keiichiro Oura, Keiichi Tokuda,
    Interspeech 2011, pp. 1845-1848, 2011-08.
  42. ICASSP2011 in Prague, Czech (May 22-27 2011)
    An optimization algorithm of independent mean and variance parameter tying structures for HMM-based speech synthesis,
    Shinji Takaki, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda,
    ICASSP 2011, pp. 4700-4703, 2011-03.
  43. ICSP2010 in Beijing, China (Oct. 25-28 2010)
    Cross-lingual speaker adaptation for HMM-based speech synthesis considering differences between language-dependent average voices,
    Xianglin Peng, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ICSP2010, pp.605-608, 2010-10.
  44. Interspeech2010 in Makuhari, Japan (Sep. 26-30 2010)
    HMM-based singing voice synthesis system using pitch-shifted pseudo training data,
    Ayami Mase, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Interspeech 2010, pp.845-848, 2010-09.
  45. Blizzard Challenge 2010 in Kyoto, Japan (Sep. 25 2010)
    Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2010,
    Keiichiro Oura, Kei Hashimoto, Sayaka Shiota, and Keiichi Tokuda,
    Blizzard Challenge 2010, 2010-09.
  46. SSW7 in Kyoto, Japan (Sep. 22-24 2010)
    Speaker adaptation and the evaluation of speaker similarity in the EMIME speech-to-speech translation project,
    Mirjam Wester, John Dines, Matthew Gibson, Hui Liang, Yi-Jian Wu, Lakshmi Saheer, Simon King, Keiichiro Oura, Philip N. Garner, William Byrne, Yong Guan, Teemu Hirsimaki, Reima Karhila, Mikko Kurimo, Matt Shannon, Sayaka Shiota, Jilei Tian, Keiichi Tokuda, and Junichi Yamagishi,
    SSW7, pp.192-197, 2010-09.
  47. SSW7 in Kyoto, Japan (Sep. 22-24 2010)
    Recent Development of the HMM-based Singing Voice Synthesis System - Sinsy,
    Keiichiro Oura, Ayami Mase, Tomohiko Yamada, Satoru Muto, Yoshihiko Nankaku, and Keiichi Tokuda,
    SSW7, pp.211-216, 2010-09.
  48. ACL 2010 in Uppsala, Sweden (July 13 2010)
    Personalising speech-to-speech translation in the EMIME project,
    Mikko Kurimo, William Byrne, John Dines, Philip N. Garner, Matthew Gibson, Yong Guan, Teemu Hirsimäki, Reima Karhila, Simon King, Hui Liang, Keiichiro Oura, Lakshmi Saheer, Matt Shannon, Sayaka Shiota, Jilei Tian, Keiichi Tokuda, Mirjam Wester, Yi-Jian Wu and Junichi Yamagishi,
    ACL 2010, pp.48-53, 2010-07.
  49. ICASSP2010 in Dallas, USA (May 14-19 2010)
    Unsupervised Cross-lingual Speaker Adaptation for HMM-based Speech Synthesis,
    Keiichiro Oura, Keiichi Tokuda, Junichi Yamagishi, Mirjam Wester, and Simon King,
    ICASSP 2010, vol.I, pp.4954-4957, 2010-03.
  50. APSIPA2009 in Sapporo, Japan (Oct. 04-07 2009)
    Recent development of the HMM-based speech synthesis system (HTS),
    Heiga Zen, Keiichiro Oura, Takashi Nose, Junichi Yamagishi, Shinji Sako, Tomoki Toda, Takashi Masuko, Alan W. Black, and Keiichi Tokuda,
    APSIPA2009, pp.121-130, 2009-10. (Invited Talk)
  51. Interspeech2009 in Brighton, UK (Sep. 06-10 2009)
    Tying covariance matrices to reduce the footprint of HMM-based speech synthesis systems,
    Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    Interspeech 2009, pp.1759-1761, 2009-09.
  52. Interspeech2009 in Brighton, UK (Sep. 06-10 2009)
    Thousands of Voices for HMM-based Speech Synthesis,
    Junichi Yamagishi, Bela Usabaev, Simon King, Oliver Watts, John Dines, Jilei Tian, Rile Hu, Keiichiro Oura, Keiichi Tokuda, Reima Karhila, and Mikko Kurimo,
    Interspeech 2009, pp.420-423, 2009-09.
  53. Blizzard Challenge 2009 in Edinburgh, UK (Sep. 04 2009)
    Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2009,
    Keiichiro Oura, Yi-Jian Wu, and Keiichi Tokuda,
    Blizzard Challenge 2009, 2009-09.
  54. ISCSLP2008 in Kunming, China (Dec. 16-19 2008)
    Simultaneous Acoustic, Prosodic, and Phrasing Model Training for TTS Conversion Systems,
    Keiichiro Oura, Yoshihiko Nankaku, Tomoki Toda, Keiichi Tokuda, Rannierry Maia, Shinsuke Sakai, and Satoshi Nakamura,
    ISCSLP2008, SPE1.1, pp.1-4, 2008-12. (ISCSLP2008 Best Student Paper Award)
  55. ICASSP2006 in Toulouse, France (May 14-19 2006)
    Hidden Semi-Markov Model Based Speech Recognition System Using Weighted Finite-State Transducer,
    Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    ICASSP 2006, vol.I, pp.33-36, 2006-05.
↑

Technical Report †

  1. SP2019 in Tokyo, Japan (Dec. 2019)
    A comparison of neural vocoders in singing voice synthesis,
    Sota Wada, Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol. 119, no. 321, SP2019-42, pp. 85-90, 2019-12.
  2. SP2019 in Tokyo, Japan (Dec. 2019)
    Synthetic speech-based sound masking for privacy protection when speaking to smartphones in public space,
    Takahiro Tsugui, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol. 119, no. 321, SP2019-38, pp. 55-60, 2019-12.
  3. SIGMUS2019 in Kyoto, Japan (Jun. 22-23, 2019)
    Statistical parametric speech synthesis and its applications,
    Keiichiro Oura,
    IPSJ SIG Technical Report, vol. 2019-MUS-123, no.11, pp. 1-1, 2019-06. (Invited Talk)
  4. SLP2019 in Kyoto, Japan (Jun. 22-23, 2019)
    Deep neural network based real-time speech vocoder with periodic/aperiodic inputs,
    Keiichiro Oura, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
    IPSJ SIG Technical Report, vol. 2019-SLP-127, no.34, pp. 1-6, 2019-06.
  5. SP2018 in Nagano, Japan (Jun. 28-29 2018)
    Speaker adaptation in speech synthesis based on neural networks including temporal structure modeling,
    Kento Nakao, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol. 118, no. 112, SP2018-11, pp. 53-58, 2018-06.
  6. SP2017 in Tokyo, Japan (Jan. 20-21 2018)
    A study on voice conversion based on WaveNet,
    Jumpei Niwa, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol. 117, no. 393, SP2017-84, pp. 99-104, 2018-01.
  7. SP2017 in Tokyo, Japan (Jan. 20-21 2018)
    Mel-cepstrum based quantization noise shaping applied to speech synthesis based on WaveNet,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol. 117, no. 393, SP2017-83, pp. 93-98, 2018-01.
  8. SP2017 in Tokyo, Japan (Jan. 20-21 2018)
    Trajectory training considering power for speech synthesis based on neural networks,
    Ryohei Funato, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol. 117, no. 393, SP2017-74, pp. 43-48, 2018-01. (SP Student Poster Presentation Award, award winner: Ryohei)
  9. SP2017 in Tokyo, Japan (Jan. 21 2017)
    Simultaneous modeling of acoustic feature sequences and its temporal structures for DNN-based speech synthesis,
    Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol.116, no.414, SP2016-76, pp.71-76, 2017-01. (IEICE ISS Young Researcher's Award in Speech Field, award winner: Kei)
  10. SP2017 in Tokyo, Japan (Jan. 21 2017)
    Designing linguistic features for expressive speech synthesis using audiobooks,
    Chiaki Asai, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol.116, no.414, SP2016-70, pp.35-40, 2017-01.
  11. SP2015 in Nagoya, Japan (Dec. 03 2015)
    Evaluation of text-to-speech system construction for unknown-pronunciation languages,
    Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IEICE, vol. 115, no. 346, SP2015-80, pp. 93-98, 2015-12.
  12. SIGMUS2015 in Yamanashi, Japan (Mar. 02-03 2015)
    A robust modeling technique against training data errors for HMM-based singing voice synthesis,
    Koji Mushika, Kazuhiro Nakamura, Kei hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IPSJ, vol. 2015-MUS-106, no. 13, pp. 1-6, 2015-03.
  13. SIGMUS2013 in Tokyo, Japan (May 11-12 2013)
    Sinsy - Recent and future work of HMM-based singing voice synthesis,
    Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IPSJ, 2013-MUS-99, no. 52, pp. 1-3, 2013-05.
  14. Interaction 2013 in Tokyo, Japan (Feb. 28-Mar. 02 2013)
    Development of a voice interaction agent using 3D modeling for stand-alone smartphones,
    Daisuke Yamamoto, Keiichiro Oura, Ryota Nishimura, Takahiro Uchiya, Ichi Takumi, Akinobu Lee, and Keiichi Tokuda,
    Interaction 2013, 2013-02.
  15. ASJ-H 2012 in Kanagawa, Japan (Jun. 14-15 2012)
    Perceptual evaluation of synthesized speech reflecting ``personalities,''
    Minoru Tsuzaki, Keiichi Tokuda, Hisashi Kawai, Yoshinori Shiga, Jinfu Ni, Keiichiro Oura, and Sayaka Shiota,
    Technical Report of IEICE, vol.2012-SP-39, no.81, pp.33-38, 2012-06.
  16. SIGMUS2012 in Hamamatsu, Japan (Feb. 03-04 2012)
    HMM-based synthesis of singing voices using pitch adaptive training,
    Keiichiro Oura, Ayami Mase, Yoshihiko Nankaku, and Keiichi Tokuda,
    Technical Report of IPSJ, vol. 2012-MUS-94, no. 15, pp. 1-6, 2012-02.
  17. SIGMUS2012 in Hamamatsu, Japan (Feb. 03-04 2012)
    Rap-style singing voice synthesis,
    Keijiro Saino, Keiichiro Oura, Makoto Tachibana, Hideki Kenmochi, and Keiichi Tokuda,
    Technical Report of IPSJ, vol. 2012-MUS-94, no.7, pp. 1-6, 2012-02.
  18. SIGMUS2012 in Hamamatsu, Japan (Feb. 03-04 2012)
    Sinsy - human-like singing system based on automatic learning,
    Keiichi Tokuda, and Keiichiro Oura,
    Technical Report of IPSJ, vol. 2012-MUS-94, no. 1, pp. 1-6, 2012-02. (Invited Talk)
  19. SLP2011 in Tokyo, Japan (Dec. 19-20 2011)
    An Open-Source Toolkit Realizing Attractive Voice Interaction Systems: MMDAgent,
    Akinobu Lee, Keiichiro Oura, and Keiichi Tokuda,
    Technical Report of IEICE, vol.2011-SLP-89, no.27, pp.1-6, 2011-12. (Invited Talk)
  20. SIGMUS2010 in Tsukuba, Japan (Jul. 28 2010)
    Sinsy - An HMM-based singing voice synthesis system which can realize your wish ``I want this person to sing my song,''
    Keiichiro Oura, Ayami Mase, Tomohiko Yamada, Keiichi Tokuda, Masataka Goto,
    Technical Report of IPSJ, vol.2010-MUS-86, no.1, pp.1-8, 2010-07. (IPSJ YAMASHITA SIG Research Award)
  21. SLP2009 in Tokyo, Japan (Dec. 21-22 2009)
    Unsupervised Speaker Adaptation for Speech-to-Speech Translation System,
    Keiichiro Oura, Junichi Yamagishi, Mirjam Wester, Simon King, and Keiichi Tokuda,
    Technical Report of IEICE, vol.2009-SLP-79, no.3, pp.1-6, 2009-12.
  22. SLP2008 in Tokyo, Japan (Dec. 09-10 2008)
    Tying covariance for HMM-based speech synthesis,
    Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda,
    Technical Report of IEICE, vol.2008-SLP-74, no.123, pp.215-220, 2008-12.
  23. SLP2007 in Kyoto, Japan (Dec. 20-21 2007)
    Recent developments of the HMM-based speech synthesis system (HTS),
    Heiga Zen, Keiichiro Oura, Takashi Nose, Junichi Yamagishi, Shinji Sako, Tomoki Toda, Takashi Masuko, Alan W. Black, and Keiichi Tokuda,
    Technical Report of IEICE, vol.2007-SLP-69, no.129, pp.301-306, 2007-12.
↑

Domestic Conference †

  1. ASJ2022 spring at online (Mar. xx-xx 2022)
    非周期性指標を考慮したニューラルボコーダの学習,
    Yukiya Hono, Shinji Takaki, Kei Hashimoto, Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustic Society of Japan 2022 Spring Meeting, pp. xx-xx, 2022-03.
  2. ASJ2021 autumn at online (Sep. 07-09 2021)
    Sequence-to-sequence singing voice synthesis considering vocal timing fluctuation,
    Yukiya Hono, Taisei Kato, Kei Hashimoto, Keiichiro Oura, Yohihiko Nankaku, and Keiichi Tokuda,
    Acoustic Society of Japan 2021 Autumn Meeting, pp. 911-914, 2021-09.
  3. ASJ2021 autumn at online (Sep. 07-09 2021)
    Automatic pitch correction of tuneless singing for DNN-based singing voice synthesis,
    Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustic Society of Japan 2021 Autumn Meeting, pp. 907-910, 2021-09.
  4. ASJ2021 spring at online (Mar. 10-12 2021)
    Sequence-to-sequence speech synthesis using a hidden semi-Markov model based structured attention mechanism,
    Kenta Sumiya, Takenori Yoshimura, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustic Society of Japan 2021 Spring Meeting, pp. 943-946, 2021-03.
  5. ASJ2021 spring at online (Mar. 10-12 2021)
    An investigation of modeling speech waveform by neural vocoder based on periodic/aperiodic decomposition,
    Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustic Society of Japan 2021 Spring Meeting, pp. 861-864, 2021-03.
  6. ASJ2020 autumn at online (Sep. 09-11 2020)
    Expressive speech synthesis using hierarchical multi-grained generative model,
    Yukiya Hono, Kazuna Tsuboi, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2020 Autumn Meeting, pp. 791-794, 2020-09.
  7. ASJ2020 autumn at online (Sep. 09-11 2020)
    Dirichlet VAE for emotional speech synthesis,
    Takato Fujimoto, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2020 Autumn Meeting, pp. 789-790, 2020-09.
  8. ASJ2020 autumn at online (Sep. 09-11 2020)
    An investigation of modeling periodic and aperiodic components in speech vocoder based on deep neural networks,
    Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2020 Autumn Meeting, pp. 759-760, 2020-09.
  9. ASJ2020 autumn at online (Sep. 09-11 2020)
    Multi-language multi-speaker modeling for speech synthesis using generative adversarial networks.
    Masafumi Otani, Yusuke Sato, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2020 Autumn Meeting, pp. 695-696, 2020-09.
  10. ASJ2020 spring in Saitama, Japan (Mar. 16-18 2020)
    End-to-end speech synthesis based on hierarchical generative models for semi-supervised learning,
    Takato Fujimoto, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2020 Spring Meeting, pp. 1039-1042, 2020-03.
  11. ASJ2019 autumn in Shiga, Japan (Sep. 04-06 2019)
    Generative adversarial network based real-time speech vocoder with periodic/aperiodic inputs,
    Keiichiro Oura, Shinji Takaki, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Autumn Meeting, pp. 997-998, 2019-09.
  12. ASJ2019 autumn in Shiga, Japan (Sep. 04-06 2019)
    Computational complexity reduction method for CNN-based singing voice synthesis,
    Kazuhiro Nakamura, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Autumn Meeting, pp. 939-940, 2019-09.
  13. ASJ2019 autumn in Shiga, Japan (Sep. 04-06 2019)
    A study on singing voice synthesis with attention mechanism using musical score time information,
    Shumma Murata, Takato Fujimoto, Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Autumn Meeting, pp. 943-944, 2019-09.
  14. ASJ2019 spring in Tokyo, Japan (Mar. 05-07 2019)
    Reducing computational costs for speech synthesis based on deep neural networks using hidden semi-Markov model structures,
    Motoki Shimada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Spring Meeting, pp. 1071-1072, 2019-03.
  15. ASJ2019 spring in Tokyo, Japan (Mar. 05-07 2019)
    Impacts of input linguistic features on Japanese end-to-end speech synthesis,
    Takato Fujimoto, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Spring Meeting, pp. 1061-1062, 2019-03.
  16. ASJ2019 spring in Tokyo, Japan (Mar. 05-07 2019)
    Deep neural network based speech vocoder with periodic/aperiodic inputs,
    Keiichiro Oura, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Spring Meeting, pp. 1049-1052, 2019-03. (ASJ AWAYA KIYOSHI Award)
  17. ASJ2019 spring in Tokyo, Japan (Mar. 05-07 2019)
    AI Singer Rinna: a singing voice synthesis system using user's singing voice or musical score,
    Kei Sawada, Kazuna Tsuboi, Xianchao Wu, Zhan Chen, Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Spring Meeting, pp. 1041-1044, 2019-03.
  18. ASJ2019 spring in Tokyo, Japan (Mar. 05-07 2019)
    Singing voice synthesis using generative adversarial networks,
    Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Spring Meeting, pp. 1039-1040, 2019-03.
  19. ASJ2019 spring in Tokyo, Japan (Mar. 05-07 2019)
    CNN-basd speech parameter generation for singing voice synthesis,
    Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Spring Meeting, pp. 1033-1034, 2019-03.
  20. ASJ2019 spring in Tokyo, Japan (Mar. 05-07 2019)
    A study of adversarial learning for emotional speech synthesis based on deep neural networks,
    Kenta Sumiya, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    Acoustical Society of Japan 2019 Spring Meeting, pp. 1359-1360, 2019-03.
  21. ASJ2018 spring in Oita, Japan (Sep. 12-14 2018)
    Feature extraction based on sequential variational autoencoder for speaker recognition,
    Takenori Yoshimura, Natsumi Koike, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2018 autumn, pp. 1341-1344, 2018-09.
  22. ASJ2018 spring in Oita, Japan (Sep. 12-14 2018)
    Sound masking for privacy protection when speaking to smart devices in public space,
    Takahiro Tsugui, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2018 autumn, pp. 883-884, 2018-09.
  23. ASJ2018 spring in Oita, Japan (Sep. 12-14 2018)
    Periodic/aperiodic decomposition based speech synthesis using WaveNet vocoder,
    Takato Fujimoto, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2018 autumn, pp. 1125-1126, 2018-09.
  24. ASJ2018 spring in Oita, Japan (Sep. 12-14 2018)
    A DNN-based Singing Voice Synthesis System - Sinsy,
    Yukiya Hono, Shumma Murata, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2018 autumn, pp. 1099-1102, 2018-09. (ASJ Student Presentation Award, award winner: Yukiya)
  25. ASJ2018 spring in Oita, Japan (Sep. 12-14 2018)
    Overview of the NITech text-to-speech system for the Blizzard Challenge 2018,
    Kei Sawada, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2018 autumn, pp. 1091-1094, 2018-09.
  26. ASJ2018 spring in Saitama, Japan (Mar. 13-15 2018)
    Singing voice synthesis based on neural network using a structure of a hidden semi-Markov model,
    Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2018 spring, pp. 247-248, 2018-03.
  27. ASJ2018 spring in Saitama, Japan (Mar. 13-15 2018)
    Singing voice synthesis using timing-lag model based on a deep neural network,
    Shumma Murata, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2018 spring, pp. 245-246, 2018-03.
  28. ASJ2017 autumn in Ehime, Japan (Sep. 25-27 2017)
    Overview of the NITech text-to-speech system for the Blizzard Challenge 2017,
    Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2017 autumn, pp. -, 2017-09.
  29. ASJ2017 autumn in Ehime, Japan (Sep. 25-27 2017)
    Singing voice conversion using post data in music SNS,
    Yukiya Hono, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2017 autumn, pp. 209-210, 2017-09.
  30. ASJ2017 autumn in Ehime, Japan (Sep. 25-27 2017)
    WaveNet-based voice conversion,
    Jumpei Niwa, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2017 autumn, pp. 207-208, 2017-09.
  31. ASJ2017 autumn in Ehime, Japan (Sep. 25-27 2017)
    Mel-cepstrum based quantization noise shaping applied for WaveNet,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2017 autumn, pp. 193-194, 2017-09. (ASJ Student Presentation Award, award winner: Takenori)
  32. ASJ2017 spring in Kawasaki, Japan (Mar. 15-17 2017)
    Voice Conversion Based on Hybrid Deep Neural Network - Gaussian Mixture Model,
    Yushi Ichikawa, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2017 spring, pp. 233-234, 2017-03. (ASJ Student Presentation Award, award winner: Yushi)
  33. ASJ2017 spring in Kawasaki, Japan (Mar. 15-17 2017)
    Investigation of conditions for acoustic feature extraction for speech synthesis based on deep neural networks,
    Shiori Murase, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2017 spring, pp. 263-264, 2017-03.
  34. ASJ2016 spring in Yokohama, Japan (Mar. 09-11 2016)
    Investigation of voice fundamental frequency estimation based on conditional random fields,
    Tatsuya Suzuki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2016 spring, vol. I, 3-2-7, pp. 279-280, 2016-03.
  35. ASJ2016 spring in Yokohama, Japan (Mar. 09-11 2016)
    Trajectory training considering global variance for voice conversion based on neural network,
    Naoki Hosaka, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2016 spring, vol. I, 2-2-4, pp. 239-240, 2016-03.
  36. ASJ2016 spring in Yokohama, Japan (Mar. 09-11 2016)
    A design of voice recording software tool to effectively collect speech data based on crowdsourcing,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2016 spring, vol. I, 1-R-29, pp. 307-308, 2016-03.
  37. ASJ2016 spring in Yokohama, Japan (Mar. 09-11 2016)
    Automatic construction of training corpus using audiobooks for statistical parametric speech synthesis,
    Kei Sawada, Kazuki Igami, Chiaki Asai, Yusuke Sato, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2016 spring, vol. I, 1-2-5, pp. 219-220, 2016-03. (ASJ Student Presentation Award, award winner: Kei)
  38. ASJ2016 spring in Yokohama, Japan (Mar. 09-11 2016)
    Investigation of singing voice synthesis based on deep neural networks,
    Masanari Nishimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2016 spring, vol. I, 1-2-2, pp. 213-214, 2016-03.
  39. ASJ2016 spring in Yokohama, Japan (Mar. 09-11 2016)
    Prior probability distribution based on musical score for HMM-based singing voice synthesis,
    Keiichiro Oura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2016 spring, vol. I, 2-2-7, pp. 213-214, 2016-03.
  40. ASJ2015 autumn in Fukushima, Japan (Sep. 16-18 2015)
    Trajectory model training considering global variance for speech synthesis based on neural network,
    Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2015 autumn, vol. I, 3-1-4, pp.237-238, 2015-09.
  41. ASJ2015 autumn in Fukushima, Japan (Sep. 16-18 2015)
    A mel-cepstral analysis technique restoring missing high-frequency components of speech for HMM-based speech synthesis,
    Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2015 autumn, vol. I, 3-1-2, pp.233-234, 2015-09.
  42. ASJ2015 autumn in Fukushima, Japan (Sep. 16-18 2015)
    Investigation of text-to-speech system construction in unknown-pronunciation language,
    Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2015 autumn, vol. I, 3-1-1, pp.231-232, 2015-09.
  43. ASJ2015 autumn in Fukushima, Japan (Sep. 16-18 2015)
    Speaker recognition based on log linear models using multiple acoustic features,
    Masaya Hashimoto, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2015 autumn, vol. I, 1-2-10, pp.25-26, 2015-09.
  44. ASJ2014 autumn in Sapporo, Japan (Sep. 03-05 2014)
    Investigation of neural network based speech synthesis using generative models,
    Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2014 autumn, vol. I, 2-7-7, pp.245-246, 2014-09. (ASJ AWAYA Prize Young Researcher Award, award winner: Kei)
  45. ASJ2014 autumn in Sapporo, Japan (Sep. 03-05 2014)
    Simultaneous high/low accent and acoustic model training for HMM-based speech synthesis,
    Shota Kamiya, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2014 autumn, vol. I, 2-7-3, pp.237-238, 2014-09. (ASJ Student Presentation Award, award winner: Shota)
  46. ASJ2014 spring in Tokyo, Japan (Mar. 10-12 2014)
    The use of state-level contexts in HMM-based speech synthesis,
    Keiichiro Oura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2014 spring, vol. I, 3-6-10, pp.341-342, 2014-03.
  47. ASJ2014 spring in Tokyo, Japan (Mar. 10-12 2014)
    A mel-cepstral analysis technique restoring missing high-frequency components from low-sampling-rate speech,
    Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2014 spring, vol. I, 3-6-9, pp.339-340, 2014-03. (ASJ Student Presentation Award, award winner: Kazuhiro)
  48. ASJ2014 spring in Tokyo, Japan (Mar. 10-12 2014)
    Comparing spectrum representation methods related to LSPs for HMM-based speech synthesis,
    Takashi Aritake, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2014 spring, vol. I, 3-6-8, pp.337-338, 2014-03.
  49. ASJ2014 spring in Tokyo, Japan (Mar. 10-12 2014)
    A robust acoustic modeling technique against training data errors in HMM-based singing voice synthesis,
    Koji Mushika, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2014 spring, vol. I, 3-6-7, pp.335-336, 2014-03.
  50. ASJ2014 spring in Tokyo, Japan (Mar. 10-12 2014)
    Evaluation of a cross-lingual speaker adaptation technique using joint-eigenvoices with a perceptual characteristic space,
    Yusuke Sato, Kazuhiro Nakamura, Kei Hashimoto, Keiichi Tokuda, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2014 spring, vol. I, 3-6-2, pp.325-326, 2014-03.
  51. ASJ2013 autumn in Toyohashi, Japan (Sep. 25-27 2013)
    An HMM-based approach for English singing voice synthesis,
    Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2013 autumn, vol. I, 2-7-7, pp.299-300, 2013-09.
  52. ASJ2013 autumn in Toyohashi, Japan (Sep. 25-27 2013)
    A simple dialogue description based on finite state transducers for user-generated spoken dialog content,
    Taito Funayachi, Keiichiro Oura, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    ASJ2013 autumn, vol. I, 2-P-28, pp.223-224, 2013-09.
  53. The 2013 Tokai-Section Joint Convention of Institutes of Electrical Engineering in Hamamatsu, Japan (Sep 24-25 2013)
    An Effort for Stand-alone Mobile Voice Interaction Agents on Smartphones,
    Daisuke Yamamoto, Keiichiro Oura, Ryota Nishimura, Takahiro Uchiya, Ichi Takumi, Akinobu Lee, and Keiichi Tokuda,
    The 2013 Tokai-Section Joint Convention of Institutes of Electrical Engineering, ROMBUNNO.S1-4, 2013-09. (Invited Talk)
  54. The 2013 Tokai-Section Joint Convention of Institutes of Electrical Engineering in Hamamatsu, Japan (Sep 24-25 2013)
    Development and Experiment of Voice Interaction Agent based on Video/Audio Streaming Technology,
    Takahiro Uchiya, Daisuke Yamamoto, Ryota Nishimura, Ichi Takumi, Keiichiro Oura, Akinobu Lee, and Keiichi Tokuda,
    The 2013 Tokai-Section Joint Convention of Institutes of Electrical Engineering, ROMBUNNO.S1-3, 2013-09. (Invited Talk)
  55. The 2013 Tokai-Section Joint Convention of Institutes of Electrical Engineering in Hamamatsu, Japan (Sep 24-25 2013)
    MMDAgent - an Open-Source Toolkit for Building Voice Interaction Systems,
    Akinobu Lee, Keiichiro Oura, and Keiichi Tokuda,
    The 2013 Tokai-Section Joint Convention of Institutes of Electrical Engineering, ROMBUNNO.S1-2, 2013-09. (Invited Talk)
  56. ASJ2013 spring in Tokyo, Japan (Mar. 13-15 2013)
    Automatic correction of tuneless singing using pitch adaptive training for HMM-based singing voice synthesis,
    Shoto Kitamura, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2013 spring, vol. I, 2-7-10, pp.337-338, 2013-03.
  57. ASJ2013 spring in Tokyo, Japan (Mar. 13-15 2013)
    Cross-lingual speaker adaptation based on factor analysis using bilingual speech data,
    Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2013 spring, vol. I, 1-7-3, pp.267-268, 2013-03.
  58. ASJ2013 spring in Tokyo, Japan (Mar. 13-15 2013)
    Integration of speaker and pitch adaptive training techniques for HMM-based singing voice synthesis,
    Kanako Shirota, Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2013 spring, vol. I, 2-7-11, pp.339-340, 2013-03.
  59. ASJ2013 spring in Tokyo, Japan (Mar. 13-15 2013)
    Developing a user-participated voice-interactive digital signage system and running it in the campus,
    Keiichi Tokuda, Keiichiro Oura, Akinobu Lee, Daisuke Yamamoto, Takahiro Uchiya, and Ichi Takumi,
    ASJ2013 spring, vol. I, 1-9-12, pp.119-122, 2013-03. (Invited Talk)
  60. ASJ2012 autumn in Nagano, Japan (Sep. 19-21 2012)
    Model structure of variable number of states for HMM-based singing voice synthesis,
    Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2012 autumn, vol.I, 2-2-2, pp.275-276, 2012-09.
  61. AXIES 2011 in Hukuoka, Japan (Dec. 07-09 2011)
    Campus event entry system for voice interaction digital signage,
    Daisuke Yamamoto, Keiichiro Oura, Akinobu Lee, Takahiro Uchiya, Ichi Takumi, Keiichi Tokuda, Hiroshi Matsumoto,
    2011-12.
  62. ASJ2011 autumn in Shimane, Japan (Sep. 20-22 2011)
    HMM-based singing voice synthesis using pitch adaptive training,
    Ayami Mase, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2011 autumn, vol.I, 1-8-20, pp.283-284, 2011-09. (ASJ Student Presentation Award, award winner: Ayami)
  63. ASJ2010 autumn in Osaka, Japan (Sep. 14-16 2010)
    Subjective evaluations for speech synthesizers trained only from slow speech sounds,
    Makoto Yamada, Nobuyuki Nishizawa, Tsuneo Kato, Keiichiro Oura, and Keiichi Tokuda,
    ASJ2010 autumn, vol.I, 2-Q-8, pp.315-316, 2010-09.
  64. ASJ2010 autumn in Osaka, Japan (Sep. 14-16 2010)
    An optimization algorithm of mean and variance parameter tying structures for HMM-based speech synthesis,
    Shinji Takaki, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2010 autumn, vol.I, 2-1-8, pp.241-242, 2010-09.
  65. ASJ2010 spring in Tokyo, Japan (May 08-10 2010)
    Cross-lingual speaker adaptation considering differences between language-dependent average voices,
    Xianglin Peng, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2010 spring, vol.I, 1-7-21, pp.325-326, 2010-03.
  66. ASJ2010 spring in Tokyo, Japan (May 08-10 2010)
    Subjective evaluations of speech rate control methods for HMM-based speech synthesis,
    Makoto Yamada, Nobuyuki Nishizawa, Tuneo Kato, Keiichiro Oura, and Keiichi Tokuda,
    ASJ2010 spring, vol.I, 1-P-2, pp.405-406, 2010-03.
  67. ASJ2010 spring in Tokyo, Japan (May 08-10 2010)
    Japanese Text-to-Speech Synthesis System: Open JTalk,
    Keiichiro Oura, Shinji Sako, and Keiichi Tokuda,
    ASJ2010 spring, vol.I, 2-7-6, pp.343-344, 2010-03.
  68. ASJ2010 spring in Tokyo, Japan (May 08-10 2010)
    HMM-based singing voice synthesis system trained by using pitch-shifted pseudo data,
    Ayami Mase, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2010 spring, vol.I, 2-7-7, pp.345-346, 2010-03.
  69. ASJ2010 spring in Tokyo, Japan (May 08-10 2010)
    Reducing computational cost of training for HMM-based singing voice synthesis using note boundaries,
    Satoru Muto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
    ASJ2010 spring, vol.I, 2-7-8, pp.347-348, 2010-03.
  70. ASJ2009 autumn in Koriyama, Japan (Sep. 15-17 2009)
    Unsupervised English-to-Japanese speaker adaptation for HMM-based speech synthesis,
    Keiichiro Oura, Junichi Yamagishi, Simon King, Mirjam Wester, and Keiichi Tokuda,
    ASJ2009 autumn, vol.I, 3-P-18, pp.401-402, 2009-09.
  71. ASJ2008 autumn in Hakata, Japan (Sep. 10-12 2008)
    Tying variance for HMM-based speech synthesis,
    Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    ASJ2008 autumn, vol.I, 2-P-29, pp.421-422, 2008-09.
  72. ASJ2008 spring in Chiba, Japan (Mar. 17-19 2008)
    Simultaneous prosody and acoustic model training for english speech synthesis,
    Keiichiro Oura, Yoshihiro Nankaku, Tomoki Toda, Keiichi Tokuda, Ranniery Maia, Shinsuke Sakai, and Satoshi Nakamura,
    ASJ2008 spring, vol.I, 2-11-1, pp.335-336, 2008-03.
  73. ASJ2007 autumn in Kofu, Japan (Sep. 19-21 2007)
    Postfiltering for HMM-based speech synthesis using Mel-LSPs,
    Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    ASJ2007 autumn, vol.I, 3-4-9, pp.367-368, 2007-09.
  74. ASJ2005 autumn in Sendai, Japan (Sep. 27-29 2005)
    HSMM Based Speech Recognition Using WFST,
    Keiichiro Oura, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    ASJ2005 autumn, vol.I, 2-7-15, pp.87-88, 2005-09.
↑

Tutorial Paper, Book †

  1. IPSJ Magazine (Jul. 15 2020)
    Research of speech synthesis technology and its social implementation,
    Keiichiro Oura,
    IPSJ Magazine, vol. 61, no. 8, pp. 882, 2020-07.
  2. Human harmonized information technology Volume2 (May 01 2017)
    Keiichi Tokuda, Akinobu Lee, Yoshihiko Nankaku, Keiichiro Oura, Kei Hashimoto, Daisuke Yamamoto, Ichi Takumi, Takahiro Uchiya, Shuhei Tsutsumi, Steve Renals, and Junichi Yamagishi (shared writing),
    Computer Science keyword, Springer press, pp. 77-114, 2017-05.
  3. Acoustic keyword book (Mar. 22 2016)
    HMM-based speech synthesis,
    Keiichiro Oura (shared writing),
    Acoustic keyword book, CORONA PUBLISHING, II-26, 2016-03.
  4. IPSJ Magazine (Jul. 15 2013)
    2012 KIYASU Special Industrial Achievement Award - Next-generation speech synthesis and social contribution by open-source software,
    Keiichi Tokuda, Tomoki Toda, Junichi Yamagishi, and Keiichiro Oura,
    IPSJ Magazine, vol. 54, no. 8, pp.831, 2013-07. (IPSJ KIYASU Special Industrial Achievement Award)
  5. DTM MAGAZINE (Apr. 08 2010)
    A new singing voice synthesis system can learn and reproduce voice quality and singing style automatically: Sinsy,
    Keiichi Tokuda, Keiichiro Oura,
    DTM MAGAZINE, vol.2010-05, pp.96-97, 2010-04.
  6. Human Interface (Feb. 01 2010)
    Construction of speech synthesis systems using HTS,
    Keiichiro Oura, Heiga Zen, Shinji Sako, and Keiichi Tokuda,
    Human Interface, vol.12, No.1, pp.35-40, 2010-02.
↑

Talk †

  1. Japan AI Music Conference in Kanagawa, Japan (Nov. 09 2019)
    Statistical singing synthesis technology and its applications,
    Keiichiro Oura.
  2. Acoustic Society of Japan TOKAI 2019 lecture in Nagoya, Japan (Apr. 01 2019)
    Speech synthesis by an university-originated venture and its applications,
    Keiichiro Oura.
  3. Seto CG Kids Advance in Seto, Japan (Sep. 01 2018)
    Flexible speech synthesis based on statistical model,
    Keiichiro Oura.
  4. Workshop on the creation of new industry by the Ichinomiya Chamber of Commerce and Industry in Ichinomiya, Japan (Sep. 20 2017)
    State-of-the-art speech/song synthesis,
    Keiichiro Oura.
  5. Acoustic Society of Japan TOKAI 40th Anniversary in Toyohashi, Japan (Sep. 24 2013)
    HMM-based singing voice synthesis which can realize your wish ``I want this person to sing my song,''
    Keiichi Tokuda, Keiichiro Oura, Kazuhiro Nakamura, Shinji Sako.
  6. Open Source Initiatives for Speech Synthesis in Kyoto, Japan (Sep. 24 2010)
    Recent development of the HMM-based speech synthesis system (HTS),
    Keiichiro Oura, Kei Hashimoto, Heiga Zen, Takashi Nose, Junichi Yamagishi, Shinji Sako, Tomoki Toda, Alan W. Black, and Keiichi Tokuda.
  7. The first HTS meeting in Brighton, UK (Sep. 06 2009)
    Recent development of the HMM-based speech synthesis system (HTS),
    HeigaZen, Keiichiro Oura, Takashi Nose, Junichi Yamagishi, Shinji Sako, Tomoki Toda, Takashi Masuko, Alan W. Black, Keiichi Tokuda.
↑

Thesis †

  1. Doctor's thesis (Feb. 23 2010)
    ACOUSTIC MODELING FOR HMM-BASED SPEECH RECOGNITION AND SYNTHESIS,
    Keiichiro Oura, Keiichi Tokuda,
    Doctor's thesis (Nagoya Institute of Technology), 2010-02.
  2. Master's thesis (Feb. 08 2007)
    HSMM Based Speech Recognition Using WFST,
    Keiichiro Oura, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
    Master's thesis (Nagoya Institute of Technology), 2007-02.
  3. Graduation thesis (Feb. 15 2005)
    CVD-HSMM Based Speech Recognition System Using WFST,
    Keiichiro Oura, Keiichi Tokuda, and Tadashi Kitamura,
    Graduation thesis (Nagoya Institute of Technology), 2007-02.
↑

News Reports (about me and my software tools) †

↑

TV, Radio (click here for TV/Radio programs after 2015) †

  1. YUME NO TOBIRA PLUS (Oct. 18 2015)
    TBS, 2015-10.
  2. HOTTO EVENING (Aug. 28 2015)
    NHK, 2015-08.
  3. NEWS ANSWER (Oct. 24 2014)
    TV AICHI, 2014-10.
  4. HEART NET TV (Sep. 18 2014)
    NHK, 2014-09.
  5. IPPOU (Jul. 29 2014)
    CBC, 2014-07.
  6. Super News (Mar. 12 2014)
    Anchor: Voice bank project can reconstruct own voice,
    KANSAI TV, 2014-03.
  7. TOUKAI NEWS (Feb. 22 2014)
    NHK TOUKAI, 2014-02.
  8. STARTS! (Dec. 01 2013)
    ZIP-FM, 2013-12.
  9. News Japan (Nov. 13 2013)
    N Impact - Speech synthesis technology for medical applications,
    FUJI TV, 2013-11.
  10. IPPOU (Nov. 01 2013)
    CBC TV, 2013-11.
  11. News Japan (May 20 2013)
    N Impact - Speech synthesis technology,
    FUJI TV, 2013-05.
  12. UP! (Jul. 30 2012)
    The speech synthesis front line,
    NAGOYA TV, 2012-07.
  13. Morning Bird (Jul. 02 2012)
    TV ASAHI, 2012-07.
  14. Science View (Mar. 11 2012)
    Singing Synthesizers: The Technology Behind a Digital Popstar,
    NHK World TV, 2012-03.
  15. Close-up GENDAI (Feb. 28 2012)
    NHK General TV, 2012-02.
  16. DAI-TENSAI TV-KUN (Feb. 22 2012)
    DAI-TENSAI TV broadcast technology laboratory,
    NHK Educational TV, 2012-02.
  17. Super News (Apr. 06 2011)
    TOUKAI TV, 2011-04.
  18. IPPOU (Apr. 06 2011)
    CBC TV, 2011-04.
  19. NITech Radio (Feb. 24 2011)
    Introduction of the toolkit for building voice interaction system, MMDAgent: Professor Keiichi Tokuda, Associate Professor Akinobu Lee, Assistant Professor Keiichiro Oura,
    NITech Radio, 2011-02.
  20. NITech Radio (Feb. 23 2011)
    Introduction of singing voice synthesis system: Assistant Professor Keiichiro Oura,
    NITech Radio, 2011-02.
  21. Science Zero (Feb. 05 2011)
    Secret of vocal software.
    NHK Educational TV, 2011-02.
  22. Super Morning (Oct. 05 2010)
    TV ASAHI, 2010-10.
  23. TOKUDANE! (Oct. 05 2010)
    FUJI TV, 2010-10.
  24. TCC World (Apr. 15 2010)
    TOKAI Cable Channel, 2010-04.
  25. SHIBU MAGA Z (Feb. 14 2010)
    NHK Radio 1, 2010-02.
  26. Z-Time BIZ (May 05 2008)
    ZIP-FM, 2008-05.
↑

Newspaper, Magazine (click here for Newspaper/Magazine after 2015) †

  1. NIKKAN KOGYO Newspaper (Jan. 28 2016)
    Buying and Selling voice [VoiceBank],
    NIKKAN KOGYO Newspaper, pp. 39, 2016-01.
  2. AREA (Jan. 04 2016)
    100 Technology to fulfill the dream,
    AERA, vol. 2016-01-11, pp. 12, 2016-01.
  3. CHUNICHI Newspaper (Nov. 24 2015)
    Do not forget the team love,
    CHUNICHI Newspaper, morning edition pp. 26, 2015-11.
  4. CHUBU KEIZAI Newspaper (Nov. 24 2015)
    Realization of the machine to speak/sing like a human,
    CHUBU KEIZAI Newspaper, pp. 2, 2015-11.
  5. CHUBU KEIZAI Newspaper (Nov. 16 2015) Reproduction of lost own voice,
    CHUBU KEIZAI Newspaper, pp. 13, 2015-11.
  6. ASAHI Newspaper (Oct. 30 2015)
    The world of spread engineering,
    ASAHI Newspaper, morning edition, pp. 32, 2015-10.
  7. YOMIURI Newspaper (Jun. 25 2015)
    Regain the lost voice,
    YOMIURI Newspaper, evening edition, pp. 9, 2015-06.
  8. NIKKEI SANGYO Newspaper (Jun. 23 2015)
    Synthesis voice similar to the person,
    NIKKEI SANGYO Newspaper, pp. 8, 2015-06.
  9. NIHON KEIZAI Newspaper (May 24 2015)
    Talkative computer,
    NIHON KEIZAI Newspaper, morning edition, pp. 22, 2015-05.
  10. CHUNICHI Newspaper (May 01 2015)
    DASHIMARUKUN guided by his voice,
    CHUNICHI Newspaper, CHITA morning edition, pp. 18, 2015-05.
  11. BUNKYO SOKUHO (Apr. 24 2015)
    Talkative computer,
    BUNKYO SOKUHO, vol. 8137, 2015-04.
  12. BUNKYO SOKUHO (Apr. 15 2015)
    Talkative computer,
    BUNKYO SOKUOH, vol. 8133, 2015-04.
  13. NIKKAN KOGYO Newspaper (Apr. 08 2015)
    Training system development to facilitate communication,
    NIKKAN KOGYO Newspaper, 2015-04.
  14. NIHON KEIZAI Newspaper (Mar. 27 2015)
    The emotional voice of robot,
    NIHON KEIZAI Newspaper, morning edition, pp. 43, 2015-03.
  15. CHUNICHI Newspaper (Feb. 18 2015)
    Mei-chan Government building guidance,
    CHUNICHI Newspaper, morning edition, pp. 21, 2015-02.
  16. NIKKAN KOGYO Newspaper (Feb. 12 2015)
    Synthesized the voice of similar person in a few minites,
    NIKKAN KOGYO Newspaper, pp. 17, 2015-02.
  17. NIKKAN KOGYO Newspaper (Feb. 03 2015)
    Emotional voice can be synthesized easily,
    NIKKAN KOGHO Newspaper, pp. 21, 2015-02.
  18. NIHON KEIZAI Newspaper (Feb. 27 2015)
    Save forever your own voice,
    NIHON KEIZAI Newspaper, evening edition, pp. 1, 2015-02.
  19. NIKKEI Veritas (Nov. 02 2014)
    University: mass production of the Nobel Prize,
    NIKKEI Veritas, vol. 347, 2014-02.
  20. NII Today (Aug. 27 2014)
    Speech synthesis and recognition,
    NII Today, vol. 65, 2014-08.
  21. YOMIURI Newspaper (Jul. 28 2014)
    Give me your voice,
    YOMIURI Newspaper, morning edition, pp. 28, 2014-07.
  22. CHUNICHI Newspaper (Jul. 27 2014)
    Recruiting the a donor of the voice,
    CHUNICHI Newspaper, morning edition, pp. 31, 2014-07.
  23. GOKISO (May 01 2014)
    Mei-chan is to guide tourist in HANDA city,
    GOKISO, vol. 2014 5-6, pp. 24, 2014-05.
  24. ASAHI Newspaper (Apr. 24 2014)
    Machine voice like a human,
    ASAHI Newspaper, morning edition, pp. 26, 2014-04.
  25. ASAHI Newspaper (Apr. 18 2014)
    VoiceBank recruit participants,
    ASAHI Newspaper, morning edition, pp. 12, 2014-04.
  26. MINKAN HOUSOU (Apr. 13 2014)
    DJ is the character of speech synthesis software,
    MINKAN HOUSOU, pp. 3, 2014-04.
  27. ASAHI Newspaper (Apr. 05 2014)
    Missing voice can be reconstruct,
    ASAHI Newspaper, pp. 25, 2014-04.
  28. CHUNICHI Newspaper (Mar. 28 2014)
    DJ by speech synthesis,
    CHUNICHI Newspaper, pp. 9, 2014-03.
  29. CHUNICHI Newspaper (Feb. 27 2014)
    Voice interactive system "Mei-chan" guide HANDA city,
    CHUNICHI Newspaper (CHITA version), pp. 22, 2014-02.
  30. TOKYO Newspaper (Nov. 25 2013)
    Human-like speaking voice,
    TOKYO Newspaper, pp. 4, 2013-11.
  31. CHUNICHI Newspaper (Nov. 18 2013)
    Is it human speech? No, it's synthesized speech.,
    CHUNICHI Newspaper, pp. 1, 2013-11.
  32. NIHON KEIZAI Newspaper (Oct. 29 2013)
    X-ing Karaoke system support your song by synthesized singing voices,
    NIHON KEIZAI Newspaper, pp.37, 2013-10.
  33. NITech Press (Oct. 9 2013)
    Professor Tokuda at. el. receive IPSJ KIYASU Award,
    NITech Press, vol. xx, 2013-10.
  34. NITech Press (Jun. 4 2013)
    Assistant Professor Keiichoro Oura receive ASJ ITAKURA Award,
    NITech Press, vol. 42, 2013-06.
  35. KEISETSU JIDAI (Oct. 13 2012)
    Voice interaction service "Mobile Mei-chan" on smartphones for university guidance,
    KEISETSU JIDAI vol. November, 2012-10.
  36. YOMIURI Newpaper (Oct. 01 2012)
    "Mei-chan" - Voice interactive guidance system on digital signage,
    YOMIURI Newspaper, pp. 25, 2012-10.
  37. CHUNICHI Newspaper (Aug. 04 2012)
    "Mei-chan" - Voice interaction on a smartphone,
    CHUNICHI Newspaper Morning Edition, pp. 14, 2012-08.
  38. CHUBU KEIZAI Newspaper (Aug. 02 2012)
    University guidance by 3D character,
    CHUBU KEIZAI Newspaper, pp. 5, 2012-08.
  39. BUNKYO News (Jul. 16 2012)
    Yamanaka, Deputy Minister of MEXT, inspect "Mei-chan,"
    BUNKYO News, vol. 2197, pp. 40, 2012-07.
  40. ASAHI Newspaper (Jun. 30 2012)
    < be report > Digital signage,
    ASAHI Newspaper, pp. b4, 2012-06.
  41. CHUNICHI Newspaper (May 02 2012)
    Message by the deceased's voice,
    CHUNICHI Newspaper Evening Edition, pp. 1, 2012-02.
  42. Japan Printer (Sep. 16 2012)
    Voice interactive guidance system on digital signage,
    Japan Printer, vol. October, 2012-09.
  43. NITech Press (Jun. 13 2011)
    Voice interactive guidance system on digital signage,
    NITech Press, vol. 32, 2011-06.
  44. CHUBU ZAIKAI (Jun. 01 2011)
    Lifelike digital signage,
    CHUBU ZAIKAI, vol. 54, no. 6, pp.22-23, 2011-06.
  45. TOKAI Walker (May 10 2011)
    MMDAgent - Voice interaction system with 3D character on digital signage,
    TOKAI Walker, vol. H23-05-24, 2011-05.
  46. NIKKAN KOGYO Newspaper (Apr. 22 2011)
    Voice interaction system on digital display,
    NIKKAN KOGYO Newspaper, pp.2-12, 2011-04.
  47. SOGO HODO (Apr. 15 2011)
    SOGO HODO, pp.4, 2012-04.
  48. NIKKAN KOGYO Newspaper (Apr. 08 2011)
    Voice interactive guidance system on digital signage,
    NIKKAN KOGYO Newspaper, pp.19, 2012-04.
  49. CHUNICHI Newspaper (Apr. 07 2011)
    Mei-chan guide NITech information,
    CHUNICHI Newspaper Morning edition, pp. 17, 2011-04.
  50. CHUBU KEIZAI Newspaper (Apr. 07 2011)
    Development of a voice interactive digital signage,
    CHUBU KEIZAI Newspaper, pp.5, 2011-04.
  51. NITech Press (Jan. 25 2011)
    Speech synthesis engine of Tokuda & Lee laboratory was embedded in mobile phone of NTT DoCoMo,
    NITech Press, vol. 30, 2011-01.
  52. NITech Press (Dec. 06 2010)
    ``MMDAgent'' was shown in CEATEC JAPAN 2010,
    NITech Press, vol. 29, 2010-12.
  53. ASAHI Newspaper (Nov. 10 2010)
    Voice interactive mobile phone,
    ASAHI Newspaper, pp.34, 2010-11.
  54. NITech Press (Jul. 06 2010)
    Tokuda & Lee Laboratory was shown in DTM Magazine,
    NITech Press, vol. 27, 2010-07.
  55. GOKISO (Nov. 11 2009)
    Round-table discussion 'Nitech future based on inauguration of business',
    GOKISO, no.432 pp.12-23, 2009-11.
  56. NITech Press (Dec. 09 2008)
    Tokua & Lee laboratory and KDDI developed speech synthesis software for mobile phones. NITech Press, 2008-12.
  57. Scotland on Sunday (Sep. 28 2008)
    See the future from tower of Babel fish,
    Scotland on Sunday, 2008-09.
  58. NIKKEI SANGYO Newspaper (Sep. 22 2008)
    Speech synthesis software of KDDI laboratory,
    NIKKEI SANGYO Newspaper, pp.3, 2008-09.
  59. NIKKAN KOGYO Newspaper (Sep. 22 2008)
    KDDI laboratory developed Japanese speech synthesis system for mobile phones,
    NIKKAN KOGYO Newspaper, pp.9, 2008-09.
  60. CHUNICHI Newspaper (May 02 2008)
    Speech translation system keeping user's voice,
    CHUNICHI Newspaper Morning Edition, pp.1 2008-05.
↑

Web News (click here for Web news after 2015) †

  1. AV Watch (Aug. 18 2015)
    The reason of the implement of SACHIKO voice to VOCALOID,
    AV Watch, 2015-08.
  2. ITmedia (Jul. 28 2015)
    The secret of VOCALOID Sachiko,
    ITmedia, 2015-07.
  3. The Japan News by Yomiuri Shimbun (Jul. 27 2015)
    Synthetic vocal technology: A voice for the speechless,
    The Japan News by Yomiuri Shimbun, 2015-07.
  4. NHK NEWS WEB (Jul. 15 2015)
    Synthesize own voice again,
    NHK NEWS WEB, 2015-07.
  5. ITmedia (Apr. 23 2015)
    New JOYSOUND voices for CeVIO,
    ITmedia, 2015-04.
  6. ITmedia (Mar. 20 2015)
    New singer of CeVIO,
    ITmedia, 2015-03.
  7. ITmedia (Mar. 02 2015)
    What is VOCALOID, Sinsy, and UTAU characteristics,
    ITmedia, 2015-03.
  8. ITmedia (Feb. 19 2015)
    New JOYSOUND voices for CeVIO,
    ITmedia, 2015-02.
  9. ITmedia (Nov. 17, 2014)
    Release of the text-to-speech and singing voice synthesizer, CeVIO,
    ITmedia, 2014-11.
  10. E-Magazine Alpha-Synodos (Sep. 01 2014)
    VoiceBank project: Regain own voice,
    E-Magazine Alpha-Synodos, vol.155, 2014-09.
  11. ITmedia (Dec. 26 2013)
    You can synthesize my singing voice,
    ITmedia, 2013-12.
  12. ITmedia (Oct. 28 2013)
    Virtual singer make your KARAOKE fine - the future of JOYSOUND Vocal Assist,
    ITmedia, 2013-10.
  13. ITmedia (Sep. 25 2013)
    CeVIO Creative Studio (Talk/Song synthesizer) can tune Sasara voice,
    ITmedia, 2013-08.
  14. EconomicNews (May 02 2013)
    Text-to-speech & singing-voice synthesis software - CeVIO Creative Studio FREE,
    EconomicNews, 2013-05.
  15. ITmedia (Apr. 26 2013)
    CeVIO - A newcomer in the field of Text-to-Speech and Singing voice synthesis application,
    ITmedia, 2013-04.
  16. ITmedia (Aug. 05 2011)
    MMDAgent for multi-platform,
    ITmedia, 2011-08.
  17. Field Promotion News (Apr. 09 2011)
    Voice interaction system on digital signage,
    Field Promotion News, 2011-04.
  18. ITmedia (Apr. 07 2011)
    MMDAgent has evolved into an university's receptionist,
    ITmedia, 2011-04.
  19. ITmedia (Dec. 25 2010)
    The alpha release of MMDAgent,
    ITmedia, 2010-12.
  20. GITNEWS.JP (Oct. 09 2010)
    You can talk to a 3D character by using MMDAgent,
    GITNEWS.JP, 2010-10.
  21. ASCII.jp (Oct. 08 2010)
    You can talk to Miku by using MMDAgent,
    ASCII.jp, 2010-10.
  22. ITmedia (Oct. 07 2010)
    The details of MMDAgent,
    ITmedia, 2010-10.
  23. Weekly ASCII PLUS (Oct. 06 2010)
    Long version video of MMDAgent demonstration,
    Weekly ASCII PLUS, 2010-10.
  24. CEATEC JAPAN (Oct. 06 2010)
    You can talk to a 3D character by using MMDAgent,
    CEATEC JAPAN, 2010-10.
  25. Weekly ASCII PLUS (Oct. 05 2010)
    You can talk to Miku by using MMDAgent,
    Weekly ASCII PLUS, 2010-10.
  26. Gizmode Japan (Sep. 28 2010)
    You can talk to Miku by using MMDAgent,
    Gizmode Japan, 2010-09.
  27. Podcast Journal (Sep. 24 2010)
    "MMDAgent" - the toolkit for building voice interaction system,
    Podcast Journal, 2010-09.
  28. ITmedia (Sep. 22 2010)
    The future provided by MMDAgent,
    ITmedia, 2011-09.
  29. Source Pod (Sep. 24 2008)
    KDDI laboratory developed speech synthesis software for mobile phones,
    Source Pod, 2008-09.
  30. ITmedia (Sep. 22 2008)
    KDDI laboratory and NITech developed speech synthesis software for mobile phones,
    ITmedia, 2008-09.
  31. RBBTODAY (Sep. 22 2008)
    KDDI laboratory developed Japanese speech synthesis system for mobile phones,
    RBBTODAY, 2008-09.
  32. JAGAT (Sep. 22 2008)
    KDDI laboratory developed speech synthesis system for mobile phones,
    JAGAT, 2008-09.
  33. Do! KEITAI Watch (Sep. 22 2008)
    KDDI laboratory developed Japanese speech synthesis system for mobile phones,
    Do! KEITAI Watch, 2008-09.
  34. KEITAI Watch (Sep. 19 2008)
    KDDI laboratory developed speech synthesis system for mobile phones,
    KEITAI Watch, 2008-09.
トップ   編集 凍結 差分 バックアップ 添付 複製 名前変更 リロード   新規 一覧 単語検索 最終更新   ヘルプ   最終更新のRSS