Nobuyuki Nishizawa

According to our database, Nobuyuki Nishizawa authored at least 24 papers between 2000 and 2019.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2019

Evaluation of Block-Wise Parameter Generation for Statistical Parametric Speech Synthesis.

Nobuyuki Nishizawa, Tomohiro Obara, Gen Hattori

Proceedings of the 10th ISCA Speech Synthesis Workshop, 2019

Training Multi-Speaker Neural Text-to-Speech Systems Using Speaker-Imbalanced Speech Corpora.

Hieu-Thi Luong, Xin Wang, Junichi Yamagishi, Nobuyuki Nishizawa

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Development and Evaluation of Japanese Text-to-speech Middleware for 32-Bit Microcontrollers.

Nobuyuki Nishizawa, Tomohiro Obara, Gen Hattori

Proceedings of the IEEE International Conference on Acoustics, 2019

2018

Investigating Accuracy of Pitch-accent Annotations in Neural Network-based Speech Synthesis and Denoising Effects.

Hieu-Thi Luong, Xin Wang, Junichi Yamagishi, Nobuyuki Nishizawa

Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

2016

Wide Passband Design for Cosine-Modulated Filter Banks in Sinusoidal Speech Synthesis.

Nobuyuki Nishizawa, Tomonori Yazaki

Proceedings of the 9th ISCA Speech Synthesis Workshop, 2016

Prosodic Reading Tutor of Japanese, Suzuki-kun: The first and only educational tool to teach the formal Japanese.

Nobuaki Minematsu, Daisuke Saito, Nobuyuki Nishizawa

Proceedings of the 9th ISCA Speech Synthesis Workshop, 2016

2013

Speech synthesis using a maximally decimated pseudo QMF bank for embedded devices.

Nobuyuki Nishizawa, Tsuneo Kato

Proceedings of the Eighth ISCA Tutorial and Research Workshop on Speech Synthesis, 2013

Speech synthesis using subband-coded multiband source components and sinusoids.

Nobuyuki Nishizawa, Tsuneo Kato

Proceedings of the IEEE International Conference on Acoustics, 2013

2012

Speech synthesis using a non-maximally decimated filter bank for embedded systems.

Nobuyuki Nishizawa, Tsuneo Kato

Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012

2011

Efficient Beam Pruning for Speech Recognition with a Reward Considering the Potential to Reach Various Words on a Lexical Tree.

Tsuneo Kato, Kengo Fujita, Nobuyuki Nishizawa

IEICE Trans. Inf. Syst., 2011

Large-Scale Subjective Evaluations of Speech Rate Control Methods for HMM-Based Speech Synthesizers.

Tsuneo Kato, Makoto Yamada, Nobuyuki Nishizawa, Keiichiro Oura, Keiichi Tokuda

Proceedings of the 12th Annual Conference of the International Speech Communication Association, 2011

Accurate parameter generation using fixed-point arithmetic for embedded HMM-based speech synthesizers.

Nobuyuki Nishizawa, Tsuneo Kato

Proceedings of the IEEE International Conference on Acoustics, 2011

2010

Substitution of state distributions to reproduce natural prosody on HMM-based speech synthesizers.

Nobuyuki Nishizawa, Tsuneo Kato

Proceedings of the Seventh ISCA Tutorial and Research Workshop on Speech Synthesis, 2010

An efficient beam pruning with a reward considering the potential to reach various words on a lexical tree.

Tsuneo Kato, Kengo Fujita, Nobuyuki Nishizawa

Proceedings of the IEEE International Conference on Acoustics, 2010

2008

Unit database pruning based on the cost degradation criterion for concatenative speech synthesis.

Nobuyuki Nishizawa, Hisashi Kawai

Proceedings of the IEEE International Conference on Acoustics, 2008

2007

A preselection method based on cost degradation from the optimal sequence for concatenative speech synthesis.

Nobuyuki Nishizawa, Hisashi Kawai

Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

2006

A Short-Latency Unit Selection Method with Redundant Search for Concatenative Speech Synthesis.

Nobuyuki Nishizawa, Hisashi Kawai

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Developing a Test Bed of English Text-to-Speech System XIMERA for the Blizzard Challenge 2006.

Tomoki Toda, Hisashi Kawai, Toshio Hirai, Jinfu Ni, Nobuyuki Nishizawa, Junichi Yamagishi, Minoru Tsuzaki, Keiichi Tokuda, Satoshi Nakamura

Proceedings of the Blizzard Challenge 2006, Pittsburgh, PA, USA, September 16, 2006, 2006

2005

Analysis of major factors of naturalness degradation in concatenative synthesis.

Toshio Hirai, Hisashi Kawai, Minoru Tsuzaki, Nobuyuki Nishizawa

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

2004

Using a depth-restricted search to reduce delays in unit selection.

Nobuyuki Nishizawa, Hisashi Kawai

Proceedings of the 8th International Conference on Spoken Language Processing, 2004

Scaling of waveform segments along the time axis for concatenative speech synthesis.

Nobuyuki Nishizawa, Hisashi Kawai

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2003

Estimation of resonant characteristics based on AR-HMM modeling and spectral envelope conversion of vowel sounds.

Nobuyuki Nishizawa, Keikichi Hirose, Nobuaki Minematsu

Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

2002

Separation of voiced source characteristics and vocal tract transfer function characteristics for speech sounds by iterative analysis based on AR-HMM model.

Nobuyuki Nishizawa, Keikichi Hirose, Nobuaki Minematsu

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

2000

Development of a formant-based analysis-synthesis system and generation of high quality liquid sounds of Japanese.

Nobuyuki Nishizawa, Nobuaki Minematsu, Keikichi Hirose

Proceedings of the Sixth International Conference on Spoken Language Processing, 2000