Keiichiro Oura

74 papers A 9B 1Misc 15Journal 17Unranked 31

Year	Rank	Type	Title / Venue / Authors
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	—	`conf`	SPTK4: An Open-Source Software Toolkit for Speech Signal Processing. SSW Takenori Yoshimura, Takato Fujimoto, Keiichiro Oura, 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
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	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
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	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	—	`conf`	Generalization of Thai tone contour in HMM-based speech synthesis. APSIPA Anocha Rugchatjaroen, Sittipong Saychum, Keiichiro Oura, 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	—	`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	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	—	`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	Misc	`conf`	HMM-Based singing voice synthesis and its application to Japanese and English. ICASSP Kazuhiro Nakamura, Keiichiro Oura, 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	—	`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	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	—	`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	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`	Real-time control of expressive speech synthesis using kinect body tracking. SSW Christophe Veaux, Maria Astrinaki, Keiichiro Oura, Robert A. J. Clark, Junichi Yamagishi
2013	—	`conf`	Realizing Tibetan speech synthesis by speaker adaptive training. APSIPA Hongwu Yang, Keiichiro Oura, Zhenye Gan, 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	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	—	`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
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	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	—	`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	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`	Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2010. Blizzard Challenge Keiichiro Oura, Kei Hashimoto, Sayaka Shiota, Keiichi Tokuda
2010	—	`conf`	Personalising Speech-To-Speech Translation in the EMIME Project. ACL (System Demonstrations) Mikko Kurimo, William Byrne, John Dines, Philip N. Garner, Matthew Gibson, Yong Guan, Teemu Hirsimäki, Reima Karhila, Simon King, Hui Liang, Keiichiro Oura, Lakshmi Babu Saheer, Matt Shannon, Sayaka Shiota, Jilei Tian
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	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
2009	—	`conf`	Overview of NIT HMM-based speech synthesis system for Blizzard Challenge 2009. Blizzard Challenge Keiichiro Oura, Yi-Jian Wu, Keiichi Tokuda
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
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	—	`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
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