Journal Paper
- Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
``Integration of spectral feature extraction and modeling for HMM-based speech synthesis,''
IEICE TRANSACTIONS on Information & Systems, vol.E97-D, no.6, pp.1438-1448, Jun. 2014.
- Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``Hidden Markov Model-Based English Singing Voice Synthesis,''
IEICE TRANSACTIONS on Information & Systems, vol.J97-D, no.10, pp.1572-1581, Oct. 2014.
International Conference
- Kazuhiro Nakamura, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``Fast and high-quality singing voice synthesis system based on convolutional neural networks,''
Proc. of 2020 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2020), pp. 7239-7243, Barcelona, Spain, May 4-8, 2020.
- Keiichiro Oura, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
``Deep neural network based real-time speech vocoder with periodic and aperiodic inputs,''
Proc. of 10th ISCA Speech Synthesis Workshop (SSW10), pp. 13-18, Vienne, Austria, September 20-22, 2019.
- Yukiya Hono, Shumma Murata, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``Recent development of the DNN-based singing voice synthesis system -- Sinsy,''
Proc. of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2018 (APSIPA ASC 2018), pp. 1003-1009, Honolulu, Hawaii, November 12-15, 2018.
- Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``A mel-cepstral analysis technique restoring high frequency components from low-sampling-rate speech,''
INTERSPEECH 2014, pp.2494-2498, Singapore, Sept. 2014.
- Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``HMM-based singing voice synthesis and its application to Japanese and English,''
2014 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014), pp.265-269, Florence, Italy, May 2014.
- Kanako Shirota, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``Integration of speaker and pitch adaptive training for HMM-based singing voice synthesis,''
2014 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014), pp.2578-2582, Florence, Italy, May 2014.
- Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda,
``Integration of acoustic modeling and mel-cepstral analysis for HMM-based speech synthesis,''
2013 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2013), pp.7883-7887, Vancouver, Canada, May 2013.
- Yoshihiko Nankaku, Kazuhiro Nakamura, Heiga Zen, Keiichi Tokuda,
``Acoustic modeling with contextual additive structure for HMM-based speech recognition,''
2008 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2008), pp.4469-4472, Las Vegas, Nevada, U.S.A., March 30-Apr. 4, 2008.
- Kazuhiro Nakamura, Heiga Zen, Yoshihiko Nankaku, and Keiichi Tokuda,
``Acoustic modeling with contextual additive structure for hidden Markov model-based speech recognition,''
Proc. of The 4th Joint Meeting of ASA/ASJ, Honolulu, Hawai, Nov. 28-Dec. 2, 2006 (in J. Acoust. Soc. Am., vol.120, no.5, Part.2, p.3042, Nov. 2006) (abstract paper).
Technical Report
- Keiichiro Oura, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda,
``周期・非周期信号を用いたDNNに基づくリアルタイム音声ボコーダ,''
IPSJ SIG Technical Report, vol. 2019-SLP-127, no. 34, pp. 1-6, Kyoto, June 22-23, 2019..
Domestic Conference
- Kazuhiro Nakamura, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda,
``Computational complexity reduction method for CNN-based singing voice synthesis,''
ASJ2019 autumn, pp.939-940, Shiga, Sep. 2019.
- Keiichiro Oura, Shinji Takaki, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda,
``Generative adversarial network based real-time speech vocoder with periodic/aperiodic inputs,''
ASJ2019 autumn, pp.997-998, Shiga, Sep. 2019.
- Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``CNN-basd speech parameter generation for singing voice synthesis,''
ASJ2019 spring, 2-10-4, pp.1033-1034, Tokyo, Mar. 2019.
- Keiichiro Oura, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
``Deep neural network based speech vocoder with periodic/aperiodic inputs,''
ASJ2019 spring, 3-10-1, pp.1049-1052, Mar. 2019.
Awaya Prize Young Researcher Award
- Yukiya Hono, Shumma Murata, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``A DNN-based Singing Voice Synthesis System ? Sinsy,''
ASJ2018 autumn, 1-4-7, pp.1099-1102, Sep. 2018.
Student Award
- Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``A mel-cepstral analysis technique restoring missing high-frequency components from low-sampling-rate speech,''
ASJ2014 spring, vol.I, 3-6-9, pp.339-340, Mar. 2014.
Student Award
- Takashi Aritake, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``Comparing spectrum representation methods related to LSPs for HMM-based speech synthesis,''
ASJ2014 spring, vol.I, 3-6-8, pp.337-338, Mar. 2014.
- Yusuke Sato, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``Evaluation of a cross-lingual speaker adaptation technique using joint-eigenvoices with a perceptual characteristic space,''
ASJ2014 spring, vol.I, 3-6-2, pp.325-326, Mar. 2014.
- Koji Mushika, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``A robust acoustic modeling technique against training data errors in HMM-based singing voice synthesis,''
ASJ2014 spring, vol.I, 3-6-7, pp.335-336, Mar. 2014.
- Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``An HMM-based Approach for English Singing Voice Synthesis,''
ASJ2013 autumn, vol.I, 2-7-7, pp.299-300, Sept. 2013.
- Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, and Keiichi Tokuda,
``Integration of acoustic modeling and mel-cepstral analysis for HMM-based speech synthesis,''
ASJ2013 spring, vol.I, 1-7-11, pp.289-290, Mar. 2013.
- Shoto Kitamura, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``Automatic correction of tuneless singing using pitch adaptive training for HMM-based singing voice synthesis,''
ASJ2013 spring, vol.I, 2-7-10, pp.337-338, Mar. 2013.
- Kanako Shirota, Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, and Keiichi Tokuda,
``Integration of speaker and pitch adaptive training techniques for HMM-based singing voice synthesis,''
ASJ2013 spring, vol.I, 2-7-11, pp.339-340, Mar. 2013.
- Kazuhiro Nakamura, Zen Heiga, Yoshihiko Nankaku, Akinobu Lee, and Keiichi Tokuda,
``Acoustic Modeling with Contextual Additive Structure for HMM-based Context Clustering,''
ASJ2007 spring, vol.I, 1-P-13, pp.149-150, Mar. 2007.
Poster Award
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