Keiichi Tokuda

290 papers A 65B 2C 3Misc 62Journal 64Unranked 91

Year	Rank	Type	Title / Venue / Authors
2025	A	`conf`	PeriodCodec: A Pitch-Controllable Neural Audio Codec Using Periodic Signals for Singing Voice Synthesis. INTERSPEECH Masato Takagi, Miku Nishihara, Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2025	J	`jnl`	V2Coder: A Non-Autoregressive Vocoder Based on Hierarchical Variational Autoencoders. IEEE Access Takato Fujimoto, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2024	—	`conf`	LIMMITS'24: Multi-Speaker, Multi-Lingual Indic TTS with Voice Cloning. ICASSP Workshops Abhayjeet Singh, Amala Nagireddi, Deekshitha G, Jesuraja Bandekar, Roopa R., Sandhya Badiger, Sathvik Udupa, Prasanta Kumar Ghosh, Hema A. Murthy, Pranaw Kumar, Keiichi Tokuda, Mark Hasegawa-Johnson, Philipp Olbrich
2024	Misc	`conf`	PeriodGrad: Towards Pitch-Controllable Neural Vocoder Based on a Diffusion Probabilistic Model. ICASSP Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2024	J	`jnl`	PeriodGrad: Towards Pitch-Controllable Neural Vocoder Based on a Diffusion Probabilistic Model. CoRR Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2023	Misc	`conf`	Embedding a Differentiable Mel-Cepstral Synthesis Filter to a Neural Speech Synthesis System. ICASSP Takenori Yoshimura, Shinji Takaki, Kazuhiro Nakamura, Keiichiro Oura, Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2023	Misc	`conf`	Lightweight, Multi-Speaker, Multi-Lingual Indic Text-to-Speech. ICASSP Abhayjeet Singh, Amala Nagireddi, Deekshitha G, Jesuraja Bandekar, Roopa R., Sandhya Badiger, Sathvik Udupa, Prasanta Kumar Ghosh, Hema A. Murthy, Heiga Zen, Pranaw Kumar, Kamal Kant, Amol Bole, Bira Chandra Singh, Keiichi Tokuda, Mark Hasegawa-Johnson, Philipp Olbrich
2023	—	`conf`	SPTK4: An Open-Source Software Toolkit for Speech Signal Processing. SSW Takenori Yoshimura, Takato Fujimoto, Keiichiro Oura, Keiichi Tokuda
2023	Misc	`conf`	Singing Voice Synthesis Based on a Musical Note Position-Aware Attention Mechanism. ICASSP Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2023	J	`jnl`	Singing voice synthesis based on frame-level sequence-to-sequence models considering vocal timing deviation. CoRR Miku Nishihara, Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2022	Misc	`conf`	Autoregressive Variational Autoencoder with a Hidden Semi-Markov Model-Based Structured Attention for Speech Synthesis. ICASSP Takato Fujimoto, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2022	J	`jnl`	Embedding a Differentiable Mel-cepstral Synthesis Filter to a Neural Speech Synthesis System. CoRR Takenori Yoshimura, Shinji Takaki, Kazuhiro Nakamura, Keiichiro Oura, Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2022	A	`conf`	End-to-End Text-to-Speech Based on Latent Representation of Speaking Styles Using Spontaneous Dialogue. INTERSPEECH Kentaro Mitsui, Tianyu Zhao, Kei Sawada, Yukiya Hono, Yoshihiko Nankaku, Keiichi Tokuda
2022	J	`jnl`	End-to-End Text-to-Speech Based on Latent Representation of Speaking Styles Using Spontaneous Dialogue. CoRR Kentaro Mitsui, Tianyu Zhao, Kei Sawada, Yukiya Hono, Yoshihiko Nankaku, Keiichi Tokuda
2022	J	`jnl`	Singing Voice Synthesis Based on a Musical Note Position-Aware Attention Mechanism. CoRR Yukiya Hono, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2021	J	`jnl`	PeriodNet: A Non-Autoregressive Raw Waveform Generative Model With a Structure Separating Periodic and Aperiodic Components. IEEE Access Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2021	J	`jnl`	PeriodNet: A non-autoregressive waveform generation model with a structure separating periodic and aperiodic components. CoRR Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2021	Misc	`conf`	Periodnet: A Non-Autoregressive Waveform Generation Model with a Structure Separating Periodic and Aperiodic Components. ICASSP Yukiya Hono, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2021	J	`jnl`	Sinsy: A Deep Neural Network-Based Singing Voice Synthesis System. CoRR Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2021	J	`jnl`	Sinsy: A Deep Neural Network-Based Singing Voice Synthesis System. IEEE ACM Trans. Audio Speech Lang. Process. Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2020	J	`jnl`	A Vector Quantized Variational Autoencoder (VQ-VAE) Autoregressive Neural F IEEE ACM Trans. Audio Speech Lang. Process. Xin Wang, Shinji Takaki, Junichi Yamagishi, Simon King, Keiichi Tokuda
2020	Misc	`conf`	Fast and High-Quality Singing Voice Synthesis System Based on Convolutional Neural Networks. ICASSP Kazuhiro Nakamura, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2020	A	`conf`	Hierarchical Multi-Grained Generative Model for Expressive Speech Synthesis. INTERSPEECH Yukiya Hono, Kazuna Tsuboi, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2020	J	`jnl`	Hierarchical Multi-Grained Generative Model for Expressive Speech Synthesis. CoRR Yukiya Hono, Kazuna Tsuboi, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2020	Misc	`conf`	Semi-Supervised Learning Based on Hierarchical Generative Models for End-to-End Speech Synthesis. ICASSP Takato Fujimoto, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2019	—	`conf`	Deep neural network based real-time speech vocoder with periodic and aperiodic inputs. SSW Keiichiro Oura, Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2019	J	`jnl`	Fast and High-Quality Singing Voice Synthesis System based on Convolutional Neural Networks. CoRR Kazuhiro Nakamura, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2019	—	`conf`	Impacts of input linguistic feature representation on Japanese end-to-end speech synthesis. SSW Takato Fujimoto, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2019	—	`conf`	Low computational cost speech synthesis based on deep neural networks using hidden semi-Markov model structures. SSW Motoki Shimada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2019	Misc	`conf`	Singing Voice Synthesis Based on Generative Adversarial Networks. ICASSP Yukiya Hono, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2019	J	`jnl`	Singing voice synthesis based on convolutional neural networks. CoRR Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2019	Misc	`conf`	Speaker-dependent Wavenet-based Delay-free Adpcm Speech Coding. ICASSP Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2019	A	`conf`	Statistical Approach to Speech Synthesis: Past, Present and Future. INTERSPEECH Keiichi Tokuda
2018	—	`conf`	Discriminative Feature Extraction Based on Sequential Variational Autoencoder for Speaker Recognition. APSIPA Takenori Yoshimura, Natsumi Koike, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	—	`conf`	Image Recognition Based on Convolutional Neural Networks Using Features Generated from Separable Lattice Hidden Markov Models. APSIPA Takayuki Kasugai, Yoshinari Tsuzuki, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	Misc	`conf`	Image Recognition Based on Separable Lattice Hmms Using a Deep Neural Network for Output Probability Distributions. ICASSP Eiji Ichikawa, Kei Sawada, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2018	J	`jnl`	Mel-Cepstrum-Based Quantization Noise Shaping Applied to Neural-Network-Based Speech Waveform Synthesis. IEEE ACM Trans. Audio Speech Lang. Process. Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	—	`conf`	Recent Development of the DNN-based Singing Voice Synthesis System - Sinsy. APSIPA Yukiya Hono, Shumma Murata, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	—	`conf`	Singing Voice Conversion Using Posted Waveform Data on Music Social Media. APSIPA Koki Senda, Yukiya Hono, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	—	`conf`	Speaker Adaptation for Speech Synthesis Based on Deep Neural Networks Using Hidden Semi-Markov Model Structures. APSIPA Kento Nakao, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	—	`conf`	Speech Synthesis Using WaveNet Vocoder Based on Periodic/Aperiodic Decomposition. APSIPA Takato Fujimoto, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	Misc	`conf`	Statistical Voice Conversion Based on Wavenet. ICASSP Jumpei Niwa, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	—	`conf`	The NITech text-to-speech system for the Blizzard Challenge 2018. Blizzard Challenge Kei Sawada, Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2018	—	`conf`	WaveNet-Based Zero-Delay Lossless Speech Coding. SLT Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2017	A	`conf`	Articulatory Text-to-Speech Synthesis Using the Digital Waveguide Mesh Driven by a Deep Neural Network. INTERSPEECH Amelia Jane Gully, Takenori Yoshimura, Damian T. Murphy, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2017	—	`conf`	Generalization of Thai tone contour in HMM-based speech synthesis. APSIPA Anocha Rugchatjaroen, Sittipong Saychum, Keiichiro Oura, Keiichi Tokuda
2017	Misc	`conf`	Image recognition based on discriminative models using features generated from separable lattice HMMS. ICASSP Yoshinari Tsuzuki, Kei Sawada, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2017	J	`jnl`	Simultaneous Optimization of Multiple Tree-Based Factor Analyzed HMM for Speech Synthesis. IEEE ACM Trans. Audio Speech Lang. Process. Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2017	—	`conf`	The NITech text-to-speech system for the Blizzard Challenge 2017. Blizzard Challenge Kei Sawada, Kei Hashimoto, Keiichiro Oura, Keiichi Tokuda
2017	C	`conf`	The blizzard machine learning challenge 2017. ASRU Kei Sawada, Keiichi Tokuda, Simon King, Alan W. Black
2017	—	`ch.`	User Generated Dialogue Systems: uDialogue. Human-Harmonized Information Technology (2) Keiichi Tokuda, Akinobu Lee, Yoshihiko Nankaku, Keiichiro Oura, Kei Hashimoto, Daisuke Yamamoto, Ichi Takumi, Takahiro Uchiya, Shuhei Tsutsumi, Steve Renals, Junichi Yamagishi
2016	J	`jnl`	A Bayesian Approach to Image Recognition Based on Separable Lattice Hidden Markov Models. IEICE Trans. Inf. Syst. Kei Sawada, Akira Tamamori, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2016	A	`conf`	A Hierarchical Predictor of Synthetic Speech Naturalness Using Neural Networks. INTERSPEECH Takenori Yoshimura, Gustav Eje Henter, Oliver Watts, Mirjam Wester, Junichi Yamagishi, Keiichi Tokuda
2016	Misc	`conf`	Directly modeling voiced and unvoiced components in speech waveforms by neural networks. ICASSP Keiichi Tokuda, Heiga Zen
2016	A	`conf`	Redefining the Linguistic Context Feature Set for HMM and DNN TTS Through Position and Parsing. INTERSPEECH Rasmus Dall, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2016	A	`conf`	Singing Voice Synthesis Based on Deep Neural Networks. INTERSPEECH Masanari Nishimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2016	—	`conf`	Temporal modeling in neural network based statistical parametric speech synthesis. SSW Keiichi Tokuda, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku
2016	—	`conf`	The NITech text-to-speech system for the Blizzard Challenge 2016. Blizzard Challenge Kei Sawada, Chiaki Asai, Kei Hashimoto, Keiichiro Oura, Keiichi Tokuda
2016	Misc	`conf`	Trajectory training considering global variance for speech synthesis based on neural networks. ICASSP Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2016	A	`conf`	Voice Conversion Based on Trajectory Model Training of Neural Networks Considering Global Variance. INTERSPEECH Naoki Hosaka, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2015	Misc	`conf`	Directly modeling speech waveforms by neural networks for statistical parametric speech synthesis. ICASSP Keiichi Tokuda, Heiga Zen
2015	A	`conf`	Simultaneous optimization of multiple tree structures for factor analyzed HMM-based speech synthesis. INTERSPEECH Takenori Yoshimura, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2015	—	`conf`	The Blizzard Challenge 2015. Blizzard Challenge Kishore Prahallad, Anandaswarup Vadapalli, Sai Krishna Rallabandi, Santosh Kesiraju, Hema A. Murthy, T. Nagarajan, Bira Chandra Singh, T. Sajani, K. Sreenivasa Rao, Suryakanth V. Gangashetty, Simon King, Keiichi Tokuda, Alan W. Black
2015	—	`conf`	The NITECH HMM-based text-to-speech system for the Blizzard Challenge 2015. Blizzard Challenge Kei Sawada, Kei Hashimoto, Keiichiro Oura, Keiichi Tokuda
2015	Misc	`conf`	The effect of neural networks in statistical parametric speech synthesis. ICASSP Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2015	J	`jnl`	Using speaker adaptive training to realize Mandarin-Tibetan cross-lingual speech synthesis. Multim. Tools Appl. Hongwu Yang, Keiichiro Oura, Haiyan Wang, Zhenye Gan, Keiichi Tokuda
2014	A	`conf`	A mel-cepstral analysis technique restoring high frequency components from low-sampling-rate speech. INTERSPEECH Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2014	J	`jnl`	Contextual Additive Structure for HMM-Based Speech Synthesis. IEEE J. Sel. Top. Signal Process. Shinji Takaki, Yoshihiko Nankaku, Keiichi Tokuda
2014	Misc	`conf`	HMM-Based singing voice synthesis and its application to Japanese and English. ICASSP Kazuhiro Nakamura, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2014	J	`jnl`	Image Recognition Based on Separable Lattice Trajectory 2-D HMMs. IEICE Trans. Inf. Syst. Akira Tamamori, Yoshihiko Nankaku, Keiichi Tokuda
2014	J	`jnl`	Integration of Spectral Feature Extraction and Modeling for HMM-Based Speech Synthesis. IEICE Trans. Inf. Syst. Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2014	Misc	`conf`	Integration of speaker and pitch adaptive training for HMM-based singing voice synthesis. ICASSP Kanako Shirota, Kazuhiro Nakamura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2014	J	`jnl`	Introduction to the Issue on Statistical Parametric Speech Synthesis. IEEE J. Sel. Top. Signal Process. Jianhua Tao, Keikichi Hirose, Keiichi Tokuda, Alan W. Black, Simon King
2014	—	`conf`	Overview of NITECH HMM-based text-to-speech system for Blizzard Challenge 2014. Blizzard Challenge Kei Sawada, Shinji Takaki, Kei Hashimoto, Keiichiro Oura, Keiichi Tokuda
2014	—	`conf`	The Blizzard Challenge 2014. Blizzard Challenge Kishore Prahallad, Anandaswarup Vadapalli, Santosh Kesiraju, Hema A. Murthy, Swaran Lata, T. Nagarajan, S. R. Mahadeva Prasanna, Hemant A. Patil, Anil Kumar Sao, Simon King, Alan W. Black, Keiichi Tokuda
2014	B	`conf`	Voice interaction system with 3D-CG virtual agent for stand-alone smartphones. HAI Daisuke Yamamoto, Keiichiro Oura, Ryota Nishimura, Takahiro Uchiya, Akinobu Lee, Ichi Takumi, Keiichi Tokuda
2013	J	`jnl`	A Bayesian Framework Using Multiple Model Structures for Speech Recognition. IEICE Trans. Inf. Syst. Sayaka Shiota, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2013	Misc	`conf`	Contextual partial additive structure for HMM-based speech synthesis. ICASSP Shinji Takaki, Yoshihiko Nankaku, Keiichi Tokuda
2013	—	`conf`	Cross-lingual speaker adaptation based on factor analysis using bilingual speech data for HMM-based speech synthesis. SSW Takenori Yoshimura, Kei Hashimoto, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2013	—	`conf`	Image recognition based on hidden Markov eigen-image models using variational Bayesian method. APSIPA Kei Sawada, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2013	Misc	`conf`	Image recognition based on separable lattice trajectory 2-D HMMS. ICASSP Akira Tamamori, Yoshihiko Nankaku, Keiichi Tokuda
2013	Misc	`conf`	Integration of acoustic modeling and mel-cepstral analysis for HMM-based speech synthesis. ICASSP Kazuhiro Nakamura, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2013	Misc	`conf`	Mmdagent - A fully open-source toolkit for voice interaction systems. ICASSP Akinobu Lee, Keiichiro Oura, Keiichi Tokuda
2013	—	`conf`	Overview of NITECH HMM-based speech synthesis system for Blizzard Challenge 2013. Blizzard Challenge Shinji Takaki, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Keiichi Tokuda
2013	J	`jnl`	Personalising speech-to-speech translation: Unsupervised cross-lingual speaker adaptation for HMM-based speech synthesis. Comput. Speech Lang. John Dines, Hui Liang, Lakshmi Babu Saheer, Matthew Gibson, William Byrne, Keiichiro Oura, Keiichi Tokuda, Junichi Yamagishi, Simon King, Mirjam Wester, Teemu Hirsimäki, Reima Karhila, Mikko Kurimo
2013	—	`conf`	Realizing Tibetan speech synthesis by speaker adaptive training. APSIPA Hongwu Yang, Keiichiro Oura, Zhenye Gan, Keiichi Tokuda
2013	Misc	`conf`	Separable lattice 2-D HMMS introducing state duration control for recognition of images with various variations. ICASSP Takaya Makino, Shinji Takaki, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2013	J	`jnl`	Speech Synthesis Based on Hidden Markov Models. Proc. IEEE Keiichi Tokuda, Yoshihiko Nankaku, Tomoki Toda, Heiga Zen, Junichi Yamagishi, Keiichiro Oura
2012	A	`conf`	A Bayesian Approach to Speaker Recognition Based on GMMs Using Multiple Model Structures. INTERSPEECH Takafumi Hattori, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2012	Misc	`conf`	A model structure integration based on a Bayesian framework for speech recognition. ICASSP Sayaka Shiota, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2012	J	`jnl`	An Extension of Separable Lattice 2-D HMMs for Rotational Data Variations. IEICE Trans. Inf. Syst. Akira Tamamori, Yoshihiko Nankaku, Keiichi Tokuda
2012	J	`jnl`	Analysis of unsupervised cross-lingual speaker adaptation for HMM-based speech synthesis using KLD-based transform mapping. Speech Commun. Keiichiro Oura, Junichi Yamagishi, Mirjam Wester, Simon King, Keiichi Tokuda
2012	A	`conf`	Cross-lingual Speaker Adaptation for HMM-based Speech Synthesis based on Perceptual Characteristics and Speaker Interpolation. INTERSPEECH Viviane de Franca Oliveira, Sayaka Shiota, Yoshihiko Nankaku, Keiichi Tokuda
2012	Misc	`conf`	Face recognition based on extended separable lattice 2-D HMMS. ICASSP Keisuke Kumaki, Yoshihiko Nankaku, Keiichi Tokuda
2012	Misc	`conf`	Face recognition based on separable lattice 2-D HMMS using variational bayesian method. ICASSP Kei Sawada, Akira Tamamori, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2012	J	`jnl`	Impacts of machine translation and speech synthesis on speech-to-speech translation. Speech Commun. Kei Hashimoto, Junichi Yamagishi, William Byrne, Simon King, Keiichi Tokuda
2012	—	`conf`	Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2012. Blizzard Challenge Shinji Takaki, Kei Sawada, Kei Hashimoto, Keiichiro Oura, Keiichi Tokuda
2012	Misc	`conf`	Pitch adaptive training for hmm-based singing voice synthesis. ICASSP Keiichiro Oura, Ayami Mase, Yoshihiko Nankaku, Keiichi Tokuda
2012	J	`jnl`	Product of Experts for Statistical Parametric Speech Synthesis. IEEE Trans. Speech Audio Process. Heiga Zen, Mark J. F. Gales, Yoshihiko Nankaku, Keiichi Tokuda
2011	A	`conf`	A Bayesian Approach to Voice Conversion Based on GMMs Using Multiple Model Structures. INTERSPEECH Lei Li, Yoshihiko Nankaku, Keiichi Tokuda
2011	Misc	`conf`	An analysis of machine translation and speech synthesis in speech-to-speech translation system. ICASSP Kei Hashimoto, Junichi Yamagishi, William J. Byrne, Simon King, Keiichi Tokuda
2011	Misc	`conf`	An optimization algorithm of independent mean and variance parameter tying structures for HMM-based speech synthesis. ICASSP Shinji Takaki, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2011	J	`jnl`	Bayesian Context Clustering Using Cross Validation for Speech Recognition. IEICE Trans. Inf. Syst. Kei Hashimoto, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2011	J	`jnl`	Continuous Stochastic Feature Mapping Based on Trajectory HMMs. IEEE Trans. Speech Audio Process. Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda
2011	A	`conf`	Estimation of Perceptual Spaces for Speaker Identities Based on the Cross-Lingual Discrimination Task. INTERSPEECH Minoru Tsuzaki, Keiichi Tokuda, Hisashi Kawai, Jinfu Ni
2011	A	`conf`	Estimation of Window Coefficients for Dynamic Feature Extraction for HMM-Based Speech Synthesis. INTERSPEECH Ling-Hui Chen, Yoshihiko Nankaku, Heiga Zen, Keiichi Tokuda, Zhen-Hua Ling, Li-Rong Dai
2011	A	`conf`	GMM-Based Missing-Feature Reconstruction on Multi-Frame Windows. INTERSPEECH Ulpu Remes, Yoshihiko Nankaku, Keiichi Tokuda
2011	Misc	`conf`	Global variance modeling on frequency domain delta LSP for HMM-based speech synthesis. ICASSP Shifeng Pan, Yoshihiko Nankaku, Keiichi Tokuda, Jianhua Tao
2011	A	`conf`	Large-Scale Subjective Evaluations of Speech Rate Control Methods for HMM-Based Speech Synthesizers. INTERSPEECH Tsuneo Kato, Makoto Yamada, Nobuyuki Nishizawa, Keiichiro Oura, Keiichi Tokuda
2011	A	`conf`	Multi-Speaker Modeling with Shared Prior Distributions and Model Structures for Bayesian Speech Synthesis. INTERSPEECH Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2011	—	`conf`	Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2011. Blizzard Challenge Kei Hashimoto, Shinji Takaki, Keiichiro Oura, Keiichi Tokuda
2010	J	`jnl`	A Covariance-Tying Technique for HMM-Based Speech Synthesis. IEICE Trans. Inf. Syst. Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2010	C	`conf`	A Deterministic Annealing-Based Training Algorithm For Statistical Machine Translation Models. EAMT Pascual Martínez-Gómez, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda, Germán Sanchis-Trilles
2010	Misc	`conf`	An extension of Separable Lattice 2-D HMMS for rotational data variations. ICASSP Akira Tamamori, Yoshihiko Nankaku, Keiichi Tokuda
2010	—	`conf`	Bayesian speech synthesis framework integrating training and synthesis processes. SSW Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2010	Misc	`conf`	Face recognition based on separable lattice 2-D HMM with state duration modeling. ICASSP Yoshiaki Takahashi, Akira Tamamori, Yoshihiko Nankaku, Keiichi Tokuda
2010	Misc	`conf`	Factor analyzed voice models for HMM-based speech synthesis. ICASSP Kyosuke Kazumi, Yoshihiko Nankaku, Keiichi Tokuda
2010	A	`conf`	HMM-based singing voice synthesis system using pitch-shifted pseudo training data. INTERSPEECH Ayami Mase, Keiichiro Oura, Yoshihiko Nankaku, Keiichi Tokuda
2010	—	`conf`	NICT Blizzard Challenge 2010 Entry. Blizzard Challenge Yoshinori Shiga, Tomoki Toda, Shinsuke Sakai, Jinfu Ni, Hisashi Kawai, Keiichi Tokuda, Minoru Tsuzaki, Satoshi Nakamura
2010	—	`conf`	Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2010. Blizzard Challenge Keiichiro Oura, Kei Hashimoto, Sayaka Shiota, Keiichi Tokuda
2010	—	`conf`	Recent development of the HMM-based singing voice synthesis system - Sinsy. SSW Keiichiro Oura, Ayami Mase, Tomohiko Yamada, Satoru Muto, Yoshihiko Nankaku, Keiichi Tokuda
2010	—	`conf`	Speaker adaptation and the evaluation of speaker similarity in the EMIME speech-to-speech translation project. SSW Mirjam Wester, John Dines, Matthew Gibson, Hui Liang, Yi-Jian Wu, Lakshmi Babu Saheer, Simon King, Keiichiro Oura, Philip N. Garner, William Byrne, Yong Guan, Teemu Hirsimäki, Reima Karhila, Mikko Kurimo, Matt Shannon, Sayaka Shiota, Jilei Tian, Keiichi Tokuda, Junichi Yamagishi
2010	A	`conf`	Speaker adaptation based on nonlinear spectral transform for speech recognition. INTERSPEECH Toyohiro Hayashi, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2010	—	`conf`	Spectral modeling with contextual additive structure for HMM-based speech synthesis. SSW Shinji Takaki, Yoshihiko Nankaku, Keiichi Tokuda
2010	Misc	`conf`	Statistical parametric speech synthesis based on product of experts. ICASSP Heiga Zen, Mark J. F. Gales, Yoshihiko Nankaku, Keiichi Tokuda
2010	—	`ed.`	The Seventh ISCA Tutorial and Research Workshop on Speech Synthesis, SSW 2010, Kyoto, Japan, September 22-24, 2010 SSW Yoshinori Sagisaka, Keiichi Tokuda
2010	J	`jnl`	Thousands of Voices for HMM-Based Speech Synthesis-Analysis and Application of TTS Systems Built on Various ASR Corpora. IEEE Trans. Speech Audio Process. 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
2010	Misc	`conf`	Unsupervised cross-lingual speaker adaptation for HMM-based speech synthesis. ICASSP Keiichiro Oura, Keiichi Tokuda, Junichi Yamagishi, Simon King, Mirjam Wester
2010	A	`conf`	Voice activity detection based on conditional random fields using multiple features. INTERSPEECH Akira Saito, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2009	Misc	`conf`	A Bayesian approach to HMM-based speech synthesis. ICASSP Kei Hashimoto, Heiga Zen, Yoshihiko Nankaku, Takashi Masuko, Keiichi Tokuda
2009	A	`conf`	A Bayesian approach to Hidden Semi-Markov Model based speech synthesis. INTERSPEECH Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2009	J	`jnl`	A Reordering Model Using a Source-Side Parse-Tree for Statistical Machine Translation. IEICE Trans. Inf. Syst. Kei Hashimoto, Hirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita, Keiichi Tokuda
2009	A	`conf`	A decision tree-based clustering approach to state definition in an excitation modeling framework for HMM-based speech synthesis. INTERSPEECH Ranniery Maia, Tomoki Toda, Keiichi Tokuda, Shinsuke Sakai, Satoshi Nakamura
2009	A	`conf`	An improved minimum generation error based model adaptation for HMM-based speech synthesis. INTERSPEECH Yi-Jian Wu, Long Qin, Keiichi Tokuda
2009	A	`conf`	Deterministic annealing based training algorithm for Bayesian speech recognition. INTERSPEECH Sayaka Shiota, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda
2009	Misc	`conf`	Full covariance state duration modeling for HMM-based speech synthesis. ICASSP Heng Lu, Yi-Jian Wu, Keiichi Tokuda, Li-Rong Dai, Ren-Hua Wang
2009	Misc	`conf`	Minimum generation error training by using original spectrum as reference for log spectral distortion measure. ICASSP Yi-Jian Wu, Keiichi Tokuda
2009	—	`conf`	Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2009. Blizzard Challenge Keiichiro Oura, Yi-Jian Wu, Keiichi Tokuda
2009	—	`conf`	Reordering Model Using Syntactic Information of a Source Tree for Statistical Machine Translation. SSST@HLT-NAACL Kei Hashimoto, Hirohumi Yamamoto, Hideo Okuma, Eiichiro Sumita, Keiichi Tokuda
2009	J	`jnl`	Robust Speaker-Adaptive HMM-Based Text-to-Speech Synthesis. IEEE Trans. Speech Audio Process. Junichi Yamagishi, Takashi Nose, Heiga Zen, Zhen-Hua Ling, Tomoki Toda, Keiichi Tokuda, Simon King, Steve Renals
2009	A	`conf`	State mapping based method for cross-lingual speaker adaptation in HMM-based speech synthesis. INTERSPEECH Yi-Jian Wu, Yoshihiko Nankaku, Keiichi Tokuda
2009	J	`jnl`	Statistical parametric speech synthesis. Speech Commun. Heiga Zen, Keiichi Tokuda, Alan W. Black
2009	Misc	`conf`	Stereo-based stochastic noise compensation based on trajectory GMMS. ICASSP Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda
2009	—	`conf`	The NICT Entry for the Blizzard Challenge 2009: an Enhanced HMM-based Speech Synthesis System with Trajectory Training considering Global Variance and State-Dependent Mixed Excitation. Blizzard Challenge Ranniery Maia, Tomoki Toda, Shinsuke Sakai, Yoshinori Shiga, Jinfu Ni, Hisashi Kawai, Keiichi Tokuda, Minoru Tsuzaki, Satoshi Nakamura
2009	A	`conf`	Thousands of voices for HMM-based speech synthesis. INTERSPEECH Junichi Yamagishi, Bela Usabaev, Simon King, Oliver Watts, John Dines, Jilei Tian, Rile Hu, Yong Guan, Keiichiro Oura, Keiichi Tokuda, Reima Karhila, Mikko Kurimo
2009	A	`conf`	Tying covariance matrices to reduce the footprint of HMM-based speech synthesis systems. INTERSPEECH Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2009	Misc	`conf`	Voice conversion based on simultaneous modelling of spectrum and F0. ICASSP Kaori Yutani, Yosuke Uto, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2008	J	`jnl`	A Fully Consistent Hidden Semi-Markov Model-Based Speech Recognition System. IEICE Trans. Inf. Syst. Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2008	A	`conf`	Acoustic modeling based on model structure annealing for speech recognition. INTERSPEECH Sayaka Shiota, Kei Hashimoto, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2008	Misc	`conf`	Acoustic modeling with contextual additive structure for HMM-based speech recognition. ICASSP Yoshihiko Nankaku, Kazuhiro Nakamura, Heiga Zen, Keiichi Tokuda
2008	A	`conf`	Bayesian context clustering using cross valid prior distribution for HMM-based speech recognition. INTERSPEECH Kei Hashimoto, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2008	—	`conf`	Cross-Lingual Speaker Adaptation for HMM-Based Speech Synthesis. ISCSLP Yi-Jian Wu, Simon King, Keiichi Tokuda
2008	A	`conf`	Minimum generation error training with direct log spectral distortion on LSPs for HMM-based speech synthesis. INTERSPEECH Yi-Jian Wu, Keiichi Tokuda
2008	Misc	`conf`	On the state definition for a trainable excitation model in HMM-based speech synthesis. ICASSP Ranniery Maia, Tomoki Toda, Keiichi Tokuda, Shinichi Sakai, Shun Nakamura
2008	Misc	`conf`	Performance evaluation of the speaker-independent HMM-based speech synthesis system "HTS 2007" for the Blizzard Challenge 2007. ICASSP Junichi Yamagishi, Takashi Nose, Heiga Zen, Tomoki Toda, Keiichi Tokuda
2008	A	`conf`	Probabilistic answer selection based on conditional random fields for spoken dialog system. INTERSPEECH Yoshitaka Yoshimi, Ryota Kakitsuba, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2008	A	`conf`	Probabilistic feature mapping based on trajectory HMMs. INTERSPEECH Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda
2008	—	`conf`	Simultaneous Acoustic, Prosodic, and Phrasing Model Training for TTs Conversion Systems. ISCSLP Keiichiro Oura, Yoshihiko Nankaku, Tomoki Toda, Keiichi Tokuda, Ranniery Maia, Shinsuke Sakai, Satoshi Nakamura
2008	A	`conf`	Simultaneous conversion of duration and spectrum based on statistical models including time-sequence matching. INTERSPEECH Kaori Yutani, Yosuke Uto, Yoshihiko Nankaku, Tomoki Toda, Keiichi Tokuda
2008	A	`conf`	Speaker recognition based on variational Bayesian method. INTERSPEECH Tatsuya Ito, Kei Hashimoto, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2008	Misc	`conf`	Statistical approach to vocal tract transfer function estimation based on factor analyzed trajectory HMM. ICASSP Tomoki Toda, Keiichi Tokuda
2008	J	`jnl`	Statistical mapping between articulatory movements and acoustic spectrum using a Gaussian mixture model. Speech Commun. Tomoki Toda, Alan W. Black, Keiichi Tokuda
2008	—	`conf`	The HTS-2008 System: Yet Another Evaluation of the Speaker-Adaptive HMM-based Speech Synthesis System in The 2008 Blizzard Challenge. Blizzard Challenge Junichi Yamagishi, Heiga Zen, Yi-Jian Wu, Tomoki Toda, Keiichi Tokuda
2008	—	`conf`	The NICT/ATR speech synthesis system for the Blizzard Challenge 2008. Blizzard Challenge Ranniery Maia, Jinfu Ni, Shinsuke Sakai, Tomoki Toda, Keiichi Tokuda, Tohru Shimizu, Satoshi Nakamura
2008	J	`jnl`	The Nitech-NAIST HMM-Based Speech Synthesis System for the Blizzard Challenge 2006. IEICE Trans. Inf. Syst. Heiga Zen, Tomoki Toda, Keiichi Tokuda
2008	A	`conf`	Unsupervised adaptation for HMM-based speech synthesis. INTERSPEECH Simon King, Keiichi Tokuda, Heiga Zen, Junichi Yamagishi
2007	J	`jnl`	A Hidden Semi-Markov Model-Based Speech Synthesis System. IEICE Trans. Inf. Syst. Heiga Zen, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2007	J	`jnl`	A Speech Parameter Generation Algorithm Considering Global Variance for HMM-Based Speech Synthesis. IEICE Trans. Inf. Syst. Tomoki Toda, Keiichi Tokuda
2007	A	`conf`	A trainable excitation model for HMM-based speech synthesis. INTERSPEECH Ranniery Maia, Tomoki Toda, Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda
2007	—	`conf`	ATRECSS - ATR English speech corpus for speech synthesis. Blizzard Challenge Jinfu Ni, Toshio Hirai, Hisashi Kawai, Tomoki Toda, Keiichi Tokuda, Minoru Tsuzaki, Shinsuke Sakai, Ranniery Maia, Satoshi Nakamura
2007	—	`conf`	An excitation model for HMM-based speech synthesis based on residual modeling. SSW Ranniery Maia, Tomoki Toda, Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda
2007	—	`conf`	Communicative speech synthesis with XIMERA: a first step. SSW Shinsuke Sakai, Jinfu Ni, Ranniery Maia, Keiichi Tokuda, Minoru Tsuzaki, Tomoki Toda, Hisashi Kawai, Satoshi Nakamura
2007	J	`jnl`	Details of the Nitech HMM-Based Speech Synthesis System for the Blizzard Challenge 2005. IEICE Trans. Inf. Syst. Heiga Zen, Tomoki Toda, Masaru Nakamura, Keiichi Tokuda
2007	—	`conf`	Face Recognition using Hidden Markov Eigenface Models. ICASSP (2) Yoshihiko Nankaku, Keiichi Tokuda
2007	—	`conf`	Improved average-voice-based speech synthesis using gender-mixed modeling and a parameter generation algorithm considering GV. SSW Junichi Yamagishi, Takao Kobayashi, Steve Renals, Simon King, Heiga Zen, Tomoki Toda, Keiichi Tokuda
2007	A	`conf`	Model-space MLLR for trajectory HMMs. INTERSPEECH Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda
2007	J	`jnl`	Reformulating the HMM as a trajectory model by imposing explicit relationships between static and dynamic feature vector sequences. Comput. Speech Lang. Heiga Zen, Keiichi Tokuda, Tadashi Kitamura
2007	—	`conf`	Speaker-independent HMM-based speech synthesis system - HTS-2007 system for the Blizzard Challenge 2007. Blizzard Challenge Junichi Yamagishi, Heiga Zen, Tomoki Toda, Keiichi Tokuda
2007	—	`conf`	Spectral conversion based on statistical models including time-sequence matching. SSW Yoshihiko Nankaku, Kenichi Nakamura, Tomoki Toda, Keiichi Tokuda
2007	J	`jnl`	State Duration Modeling for HMM-Based Speech Synthesis. IEICE Trans. Inf. Syst. Heiga Zen, Takashi Masuko, Keiichi Tokuda, Takayoshi Yoshimura, Takao Kobayashi, Tadashi Kitamura
2007	—	`conf`	Statistical Parametric Speech Synthesis. ICASSP (4) Alan W. Black, Heiga Zen, Keiichi Tokuda
2007	—	`conf`	The HMM-based speech synthesis system (HTS) version 2.0. SSW Heiga Zen, Takashi Nose, Junichi Yamagishi, Shinji Sako, Takashi Masuko, Alan W. Black, Keiichi Tokuda
2007	J	`jnl`	Vector quantization of mel-cepstral coefficients using distortion measure for spectral analysis. Syst. Comput. Jpn. Toru Takahashi, Keiichi Tokuda, Takao Kobayashi, Tadashi Kitamura
2007	J	`jnl`	Voice Conversion Based on Maximum-Likelihood Estimation of Spectral Parameter Trajectory. IEEE Trans. Speech Audio Process. Tomoki Toda, Alan W. Black, Keiichi Tokuda
2006	—	`conf`	An HMM-Based Approach to Flexible Speech Synthesis. ISCSLP (Selected Papers) Keiichi Tokuda
2006	A	`conf`	An HMM-based singing voice synthesis system. INTERSPEECH Keijiro Saino, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2006	—	`conf`	Developing a Test Bed of English Text-to-Speech System XIMERA for the Blizzard Challenge 2006. Blizzard Challenge Tomoki Toda, Hisashi Kawai, Toshio Hirai, Jinfu Ni, Nobuyuki Nishizawa, Junichi Yamagishi, Minoru Tsuzaki, Keiichi Tokuda, Satoshi Nakamura
2006	—	`conf`	Estimating Trajectory Hmm Parameters Using Monte Carlo Em With Gibbs Sampler. ICASSP (1) Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamura
2006	—	`conf`	Face Recognition Based on Separable Lattice HMMS. ICASSP (5) Daisuke Kurata, Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamura, Zoubin Ghahramani
2006	—	`conf`	Hidden Semi-Markov Model Based Speech Recognition System using Weighted Finite-State Transducer. ICASSP (1) Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda
2006	—	`conf`	On the Use of Phonetic Information for Mapping from Articulatory Movements to Vocal Tract Spectrum. ICASSP (1) Kenichi Nakamura, Tomoki Toda, Yoshihiko Nankaku, Keiichi Tokuda
2006	A	`conf`	Reducing computation on parallel decoding using frame-wise confidence scores. INTERSPEECH Tomohiro Hakamata, Akinobu Lee, Yoshihiko Nankaku, Keiichi Tokuda
2006	A	`conf`	Speaker adaptation of trajectory HMMs using feature-space MLLR. INTERSPEECH Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamura
2006	—	`conf`	The Nitech-NAIST HMM-based speech synthesis system for the Blizzard Challenge 2006. Blizzard Challenge Heiga Zen, Tomoki Toda, Keiichi Tokuda
2006	J	`jnl`	Very low bit rate speech coding based on HMM with speaker adaptation. Syst. Comput. Jpn. Takashi Masuko, Takao Kobayashi, Keiichi Tokuda
2006	A	`conf`	Voice conversion based on mixtures of factor analyzers. INTERSPEECH Yosuke Uto, Yoshihiko Nankaku, Tomoki Toda, Akinobu Lee, Keiichi Tokuda
2005	J	`jnl`	Applying Sparse KPCA for Feature Extraction in Speech Recognition. IEICE Trans. Inf. Syst. Amaro A. de Lima, Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamura, Fernando Gil Resende
2005	J	`jnl`	Continuous Speech Recognition Based on General Factor Dependent Acoustic Models. IEICE Trans. Inf. Syst. Hiroyuki Suzuki, Heiga Zen, Yoshihiko Nankaku, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2005	J	`jnl`	Deterministic Annealing EM Algorithm in Acoustic Modeling for Speaker and Speech Recognition. IEICE Trans. Inf. Syst. Yohei Itaya, Heiga Zen, Yoshihiko Nankaku, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2005	A	`conf`	HMM-based european Portuguese TTS system. INTERSPEECH Maria João Barros, Ranniery Maia, Keiichi Tokuda, Fernando Gil Resende, Diamantino Freitas
2005	J	`jnl`	Incorporating a mixed excitation model and postfilter into HMM-based text-to-speech synthesis. Syst. Comput. Jpn. Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2005	—	`conf`	Minimum Classification Error Interactive Training for Speaker Identification. ICASSP (1) Yusuke Kida, Hiroyoshi Yamamoto, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2005	J	`jnl`	Parameter Sharing in Mixture of Factor Analyzers for Speaker Identification. IEICE Trans. Inf. Syst. Hiroyoshi Yamamoto, Yoshihiko Nankaku, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2005	J	`jnl`	Simultaneous clustering of phonetic context, dimension, and state position for acoustic modeling using decision trees. Syst. Comput. Jpn. Heiga Zen, Keiichi Tokuda, Tadashi Kitamura
2005	—	`conf`	Sparse KPCA for Feature Extraction in Speech Recognition. ICASSP (1) Amaro A. de Lima, Heiga Zen, Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamura, Fernando Gil Resende
2005	—	`conf`	Spectral Conversion Based on Maximum Likelihood Estimation Considering Global Variance of Converted Parameter. ICASSP (1) Tomoki Toda, Alan W. Black, Keiichi Tokuda
2005	A	`conf`	Speech parameter generation algorithm considering global variance for HMM-based speech synthesis. INTERSPEECH Tomoki Toda, Keiichi Tokuda
2005	A	`conf`	The blizzard challenge - 2005: evaluating corpus-based speech synthesis on common datasets. INTERSPEECH Alan W. Black, Keiichi Tokuda
2004	—	`conf`	A Viterbi algorithm for a trajectory model derived from HMM with explicit relationship between static and dynamic features. ICASSP (1) Heiga Zen, Keiichi Tokuda, Tadashi Kitamura
2004	A	`conf`	Acoustic-to-articulatory inversion mapping with Gaussian mixture model. INTERSPEECH Tomoki Toda, Alan W. Black, Keiichi Tokuda
2004	—	`conf`	An introduction of trajectory model into HMM-based speech synthesis. SSW Heiga Zen, Keiichi Tokuda, Tadashi Kitamura
2004	A	`conf`	Constructing emotional speech synthesizers with limited speech database. INTERSPEECH Heiga Zen, Tadashi Kitamura, Murtaza Bulut, Shrikanth S. Narayanan, Ryosuke Tsuzuki, Keiichi Tokuda
2004	A	`conf`	Decision-tree backing-off in HMM-based speech synthesis. INTERSPEECH Shunsuke Kataoka, Nobuaki Mizutani, Keiichi Tokuda, Tadashi Kitamura
2004	A	`conf`	Deterministic annealing EM algorithm in parameter estimation for acoustic model. INTERSPEECH Yohei Itaya, Heiga Zen, Yoshihiko Nankaku, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2004	—	`ch.`	Galatea: Open-Source Software for Developing Anthropomorphic Spoken Dialog Agents. Life-like characters Shinichi Kawamoto, Hiroshi Shimodaira, Tsuneo Nitta, Takuya Nishimoto, Satoshi Nakamura, Katsunobu Itou, Shigeo Morishima, Tatsuo Yotsukura, Atsuhiko Kai, Akinobu Lee, Yoichi Yamashita, Takao Kobayashi, Keiichi Tokuda, Keikichi Hirose, Nobuaki Minematsu, Atsushi Yamada, Yasuharu Den, Takehito Utsuro, Shigeki Sagayama
2004	A	`conf`	Hidden semi-Markov model based speech synthesis. INTERSPEECH Heiga Zen, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2004	—	`conf`	Mapping from articulatory movements to vocal tract spectrum with Gaussian mixture model for articulatory speech synthesis. SSW Tomoki Toda, Alan W. Black, Keiichi Tokuda
2004	J	`jnl`	On the Use of Kernel PCA for Feature Extraction in Speech Recognition. IEICE Trans. Inf. Syst. Amaro A. de Lima, Heiga Zen, Yoshihiko Nankaku, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2004	—	`conf`	Parameter sharing and minimum classification error training of mixtures of factor analyzers for speaker identification. ICASSP (1) Hiroyoshi Yamamoto, Yoshihiko Nankaku, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2004	J	`jnl`	Speaker adaptation of pitch and spectrum for HMM-based speech synthesis. Syst. Comput. Jpn. Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
2004	—	`conf`	XIMERA: a new TTS from ATR based on corpus-based technologies. SSW Hisashi Kawai, Tomoki Toda, Jinfu Ni, Minoru Tsuzaki, Keiichi Tokuda
2003	J	`jnl`	A Training Method of Average Voice Model for HMM-Based Speech Synthesis. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Junichi Yamagishi, Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
2003	—	`conf`	A training method for average voice model based on shared decision tree context clustering and speaker adaptive training. ICASSP (1) Junichi Yamagishi, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
2003	A	`conf`	Decision tree-based simultaneous clustering of phonetic contexts, dimensions, and state positions for acoustic modeling. INTERSPEECH Heiga Zen, Keiichi Tokuda, Tadashi Kitamura
2003	—	`conf`	Improving the performance of HMM-based very low bit rate speech coding. ICASSP (1) Takahiro Hoshiya, Shinji Sako, Heiga Zen, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2003	J	`jnl`	Mixture Density Models Based on Mel-Cepstral Representation of Gaussian Process. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Toru Takahashi, Keiichi Tokuda, Takao Kobayashi, Tadashi Kitamura
2003	A	`conf`	On the use of kernel PCA for feature extraction in speech recognition. INTERSPEECH Amaro A. de Lima, Heiga Zen, Yoshihiko Nankaku, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2003	—	`conf`	Speech recognition using voice-characteristic-dependent acoustic models. ICASSP (1) Hiroyuki Suzuki, Heiga Zen, Yoshihiko Nankaku, Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2003	A	`conf`	Towards the development of a brazilian portuguese text-to-speech system based on HMM. INTERSPEECH Ranniery Maia, Heiga Zen, Keiichi Tokuda, Tadashi Kitamura, Fernando Gil Vianna Resende Jr.
2003	A	`conf`	Trajectory modeling based on HMMs with the explicit relationship between static and dynamic features. INTERSPEECH Keiichi Tokuda, Heiga Zen, Tadashi Kitamura
2002	A	`conf`	A context clustering technique for average voice model in HMM-based speech synthesis. INTERSPEECH Junichi Yamagishi, Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
2002	—	`conf`	A new algorithm for updating adaptive system. APCCAS (1) Junibakti Sanubari, Keiichi Tokuda
2002	A	`conf`	Decision tree distribution tying based on a dimensional split technique. INTERSPEECH Heiga Zen, Keiichi Tokuda, Tadashi Kitamura
2002	A	`conf`	Eigenvoices for HMM-based speech synthesis. INTERSPEECH Kengo Shichiri, Atsushi Sawabe, Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2002	J	`jnl`	Pitch pattern generation using multispace probability distribution HMM. Syst. Comput. Jpn. Takashi Masuko, Keiichi Tokuda, Noboru Miyazaki, Takao Kobayashi
2001	J	`jnl`	A new approach to designing a feature extractor in speaker identification based on discriminative feature extraction. Speech Commun. Chiyomi Miyajima, Hideyuki Watanabe, Keiichi Tokuda, Tadashi Kitamura, Shigeru Katagiri
2001	A	`conf`	A robust speaker verification system against imposture using an HMM-based speech synthesis system. INTERSPEECH Takayuki Satoh, Takashi Masuko, Takao Kobayashi, Keiichi Tokuda
2001	Misc	`conf`	Adaptation of pitch and spectrum for HMM-based speech synthesis using MLLR. ICASSP Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
2001	—	`conf`	Fast convergence transversal adaptive filtering algorithm for impulsive environment based on T distribution assumption. ISCAS (2) Junibakti Sanubari, Keiichi Tokuda
2001	A	`conf`	Minimum classification error training for speaker identification using Gaussian mixture models based on multi-space probability distribution. INTERSPEECH Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2001	A	`conf`	Mixed excitation for HMM-based speech synthesis. INTERSPEECH Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2001	Misc	`conf`	Speaker identification using Gaussian mixture models based on multi-space probability distribution. ICASSP Chiyomi Miyajima, Yosuke Hattori, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2001	A	`conf`	Text-to-speech synthesis with arbitrary speaker's voice from average voice. INTERSPEECH Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
2001	J	`jnl`	Very low bit rate speech coding based on HMMs. Syst. Comput. Jpn. Jun Hiroi, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2000	A	`conf`	Audio-visual speech recognition using MCE-based hmms and model-dependent stream weights. INTERSPEECH Chiyomi Miyajima, Keiichi Tokuda, Tadashi Kitamura
2000	A	`conf`	HMM-based text-to-audio-visual speech synthesis. INTERSPEECH Shinji Sako, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
2000	A	`conf`	Imposture using synthetic speech against speaker verification based on spectrum and pitch. INTERSPEECH Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
2000	B	`conf`	Normalized Training for HMM-Based Visual Speech Recognition. ICIP Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamura, Takao Kobayashi
2000	J	`jnl`	RLS-type two-dimensional adaptive filter with a t-distribution assumption. Signal Process. Junibakti Sanubari, Keiichi Tokuda
2000	—	`conf`	Robust estimation of an AR multi-channel model by using t-distribution assumption. EUSIPCO Junibakti Sanubari, Keiichi Tokuda
2000	Misc	`conf`	Speech parameter generation algorithms for HMM-based speech synthesis. ICASSP Keiichi Tokuda, Takayoshi Yoshimura, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
1999	J	`jnl`	A New Robust Two Dimensional Spectral Estimation Based on an AR Model Excited by a t Distribution Process and its QR-Decomposition Recursive Algorithm. J. Circuits Syst. Comput. Junibakti Sanubari, Keiichi Tokuda
1999	Misc	`conf`	Hidden Markov models based on multi-space probability distribution for pitch pattern modeling. ICASSP Keiichi Tokuda, Takashi Masuko, Noboru Miyazaki, Takao Kobayashi
1999	—	`conf`	Image Modeling Using Two Dimensional Exponential Systems. ICIP (4) Junibakti Sanubari, Keiichi Tokuda
1999	—	`conf`	Intensity- and location-normalized training for HMM-based visual speech recognition. EUROSPEECH Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamura
1999	—	`conf`	LMS-like two dimensional adaptive filter with t-distribution assumption and nonsymmetrical half-plane support. NSIP Junibakti Sanubari, Keiichi Tokuda
1999	—	`conf`	Location Normalization of HMM-Based Lip Reading: Experiments for the M2VTS Database. ICIP (2) Oscar Vanegas, Keiichi Tokuda, Tadashi Kitamura
1999	—	`conf`	On the security of HMM-based speaker verification systems against imposture using synthetic speech. EUROSPEECH Takashi Masuko, Takafumi Hitotsumatsu, Keiichi Tokuda, Takao Kobayashi
1999	—	`conf`	Simultaneous modeling of spectrum, pitch and duration in HMM-based speech synthesis. EUROSPEECH Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
1998	—	`conf`	A 16 kbit/s wideband CELP coder using MEL-generalized cepstral analysis and its subjective evaluation. ICSLP Kazuhito Koishida, Gou Hirabayashi, Keiichi Tokuda, Takao Kobayashi
1998	—	`conf`	A very low bit rate speech coder using HMM with speaker adaptation. ICSLP Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
1998	Misc	`conf`	A very low bit rate speech coder using HMM-based speech recognition/synthesis techniques. ICASSP Keiichi Tokuda, Takashi Masuko, Jun Hiroi, Takao Kobayashi, Tadashi Kitamura
1998	Misc	`conf`	A wideband CELP speech coder at 16 kbit/s based on mel-generalized cepstral analysis. ICASSP Kazuhito Koishida, Gou Hirabayashi, Keiichi Tokuda, Takao Kobayashi
1998	—	`conf`	Duration modeling for HMM-based speech synthesis. ICSLP Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura
1998	—	`conf`	HMM-based visual speech recognition using intensity and location normalization. ICSLP Oscar Vanegas, Akiji Tanaka, Keiichi Tokuda, Tadashi Kitamura
1998	J	`jnl`	Robust recursive time series modeling based on an AR model excited by a t-distribution process. IEEE Trans. Signal Process. Junibakti Sanubari, Keiichi Tokuda, Mahoki Onoda
1998	—	`conf`	Speaker adaptation for HMM-based speech synthesis system using MLLR. SSW Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi
1998	Misc	`conf`	Text-to-visual speech synthesis based on parameter generation from HMM. ICASSP Takashi Masuko, Takao Kobayashi, Masatsune Tamura, Jun Masubuchi, Keiichi Tokuda
1998	—	`conf`	Visual Speech Synthesis Based on Parameter Generation From HMM: Speech-Driven and Text-And-Speech-Driven Approaches. AVSP Masatsune Tamura, Takashi Masuko, Takao Kobayashi, Keiichi Tokuda
1997	Misc	`conf`	Efficient encoding of mel-generalized cepstrum for CELP coders. ICASSP Kazuhito Koishida, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1997	—	`conf`	HMM compensation for noisy speech recognition based on cepstral parameter generation. EUROSPEECH Takao Kobayashi, Takashi Masuko, Keiichi Tokuda
1997	—	`conf`	Speaker interpolation in HMM-based speech synthesis system. EUROSPEECH Takayoshi Yoshimura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi, Tadashi Kitamura
1997	Misc	`conf`	Voice characteristics conversion for HMM-based speech synthesis system. ICASSP Takashi Masuko, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1996	—	`conf`	CELP coding system based on mel-generalized cepstral analysis. ICSLP Kazuhito Koishida, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1996	Misc	`conf`	Robust two dimensional spectral estimation based on AR model excited by a t-distribution process. ICASSP Junibakti Sanubari, Keiichi Tokuda, Mahoki Onoda
1996	Misc	`conf`	Speech synthesis using HMMs with dynamic features. ICASSP Takashi Masuko, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1995	J	`jnl`	Adaptive cepstral analysis of speech. IEEE Trans. Speech Audio Process. Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1995	—	`conf`	An algorithm for speech parameter generation from continuous mixture HMMs with dynamic features. EUROSPEECH Keiichi Tokuda, Takashi Masuko, Tetsuya Yamada, Takao Kobayashi, Satoshi Imai
1995	Misc	`conf`	CELP coding based on mel-cepstral analysis. ICASSP Kazuhito Koishida, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1995	Misc	`conf`	Speech parameter generation from HMM using dynamic features. ICASSP Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1994	C	`conf`	AR Spectrum Estimation Based on Wavelet Representation. ISCAS Fernando Gil Resende, Keiichi Tokuda, Mineo Kaneko
1994	—	`conf`	Mel-generalized cepstral analysis - a unified approach to speech spectral estimation. ICSLP Keiichi Tokuda, Takao Kobayashi, Takashi Masuko, Satoshi Imai
1994	—	`conf`	Robust recursive spectral estimation based on AR model excited by a t-distribution process. ICASSP (3) Junibakti Sanubari, Keiichi Tokuda, Mahoki Onoda
1994	—	`conf`	Speech coding based on adaptive MEL-cepstral analysis for noisy channels. ICSLP Kazuhito Koishida, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1994	—	`conf`	Speech coding based on adaptive mel-cepstral analysis. ICASSP (1) Keiichi Tokuda, Hidetoshi Matsumura, Takao Kobayashi, Satoshi Imai
1992	Misc	`conf`	An adaptive algorithm for mel-cepstral analysis of speech. ICASSP Toshiaki Fukada, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai
1992	Misc	`conf`	Design of stable two-dimensional IIR digital filters with arbitrary magnitude function. ICASSP Takao Kobayashi, Kazuyoshi Fukushi, Keiichi Tokuda, Satoshi Imai
1992	Misc	`conf`	Spectral estimation based on AR-model excited by t-distribution process. ICASSP Junibakti Sanubari, Keiichi Tokuda, Mahoki Onoda
1990	Misc	`conf`	Adaptive filtering based on cepstral representation-adaptive cepstral analysis of speech. ICASSP Keiichi Tokuda, Takao Kobayashi, Shoji Shiomoto, Satoshi Imai
1990	—	`conf`	Generalized cepstral analysis of speech - unified approach to LPC and cepstral method. ICSLP Keiichi Tokuda, Takao Kobayashi, Satoshi Imai