Generation of prosodic symbols for rule-synthesis of connected speech of Japanese. - Keikichi Hirose; Hiroya Fujisaki; Hisashi Kawai (ICASSP, 1986)

Realization of linguistic information in the voice fundamental frequency contour of the spoken Japanese. - Hiroya Fujisaki; Hisashi Kawai (ICASSP, 1988)

A system for synthesizing Japanese speech from orthographic text. - Hiroya Fujisaki; Keikichi Hirose; Hisashi Kawai; Yasuharu Asano (ICASSP, 1990)

Improvement of the synthetic speech quality of the formant-type speech synthesizer and its subjective evaluation. - Norio Higuchi; Hisashi Kawai; Tohru Shimizu; Seiichi Yamamoto (ICSLP, 1990)

The linguistic processing module for Japanese text-to-speech system. - Tohru Shimizu; Norio Higuchi; Hisashi Kawai; Seiichi Yamamoto (ICSLP, 1990)

Development of a text-to-speech system for Japanese based on waveform splicing. - Hisashi Kawai; Norio Higuchi; Tohru Shimizu; Seiichi Yamamoto (ICASSP (1), 1994)

Recognition of connected digit speech in Japanese collected over the telephone network. - Hisashi Kawai; Norio Higuchi (ICSLP, 1998)

A design method of speech corpus for text-to-speech synthesis taking account of prosody. - Hisashi Kawai; Seiichi Yamamoto; Norio Higuchi; Tohru Shimizu (INTERSPEECH, 2000)

Unit selection algorithm for Japanese speech synthesis based on both phoneme unit and diphone unit. - Tomoki Toda; Hisashi Kawai; Minoru Tsuzaki; Kiyohiro Shikano (ICASSP, 2002)

Acoustic measures vs. phonetic features as predictors of audible discontinuity in concatenative speech synthesis. - Hisashi Kawai; Minoru Tsuzaki (INTERSPEECH, 2002)

Perceptual evaluation of naturalness due to substitution of Chinese syllable for concatenative speech synthesis. - Jinlin Lu; Hisashi Kawai (INTERSPEECH, 2002)

Design of a Mandarin sentence set for corpus-based speech synthesis by use of a multi-tier algorithm taking account of the varied prosodic and spectral characteristics. - Jinfu Ni; Hisashi Kawai (INTERSPEECH, 2002)

Feature extraction for unit selection in concatenative speech synthesis: comparison between AIM, LPC, and MFCC. - Minoru Tsuzaki; Hisashi Kawai (INTERSPEECH, 2002)

Tone feature extraction through parametric modeling and analysis-by-synthesis-based pattern matching. - Jinfu Ni; Hisashi Kawai (ICASSP (1), 2003)

Segment selection considering local degradation of naturalness in concatenative speech synthesis. - Tomoki Toda; Hisashi Kawai; Minoru Tsuzaki; Kiyohiro Shikano (ICASSP (1), 2003)

Tone pattern discrimination combining parametric modeling and maximum likelihood estimation. - Jinfu Ni; Hisashi Kawai (INTERSPEECH, 2003)

Optimizing integrated cost function for segment selection in concatenative speech synthesis based on perceptual evaluations. - Tomoki Toda; Hisashi Kawai; Minoru Tsuzaki (INTERSPEECH, 2003)

An evaluation of automatic phone segmentation for concatenative speech synthesis. - Hisashi Kawai; Tomoki Toda (ICASSP (1), 2004)

Scaling of waveform segments along the time axis for concatenative speech synthesis. - Nobuyuki Nishizawa; Hisashi Kawai (ICASSP (1), 2004)

Optimizing sub-cost functions for segment selection based on perceptual evaluations in concatenative speech synthesis. - Tomoki Toda; Hisashi Kawai; Minoru Tsuzaki (ICASSP (1), 2004)

Minimum segmentation error based discriminative training for speech synthesis application. - Yi-Jian Wu; Hisashi Kawai; Jinfu Ni; Ren-Hua Wang (ICASSP (1), 2004)

Formulating contextual tonal variations in Mandarin. - Jinfu Ni; Hisashi Kawai; Keikichi Hirose (INTERSPEECH, 2004)

Using a depth-restricted search to reduce delays in unit selection. - Nobuyuki Nishizawa; Hisashi Kawai (INTERSPEECH, 2004)

A study on automatic detection of Japanese vowel devoicing for speech synthesis. - Yi-Jian Wu; Hisashi Kawai; Jinfu Ni; Ren-Hua Wang (INTERSPEECH, 2004)

XIMERA: a new TTS from ATR based on corpus-based technologies. - Hisashi Kawai; Tomoki Toda; Jinfu Ni; Minoru Tsuzaki; Keiichi Tokuda (SSW, 2004)

SNR-dependent background noise compensation of PESQ values for cellular phone speech. - Kengo Fujita; Tsuneo Kato; Hideaki Yamada; Hisashi Kawai (INTERSPEECH, 2005)

Analysis of major factors of naturalness degradation in concatenative synthesis. - Toshio Hirai; Hisashi Kawai; Minoru Tsuzaki; Nobuyuki Nishizawa (INTERSPEECH, 2005)

Estimation of intonation variation with constrained tone transformations. - Jinfu Ni; Hisashi Kawai; Keikichi Hirose (INTERSPEECH, 2005)

Improvement of rejection performance of keyword spotting using anti-keywords derived from large vocabulary considering acoustical similarity to keywords. - Makoto Yamada; Tsuneo Kato; Masaki Naito; Hisashi Kawai (INTERSPEECH, 2005)

Discriminative training and explicit duration modeling for HMM-based automatic segmentation. - Yi-Jian Wu; Hisashi Kawai; Jinfu Ni; Ren-Hua Wang (Speech Commun., 2005)

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 001 (Blizzard Challenge, 2006)

Evaluation result of transmission control mechanism for multimedia streams based on the multi-RTCP scheme over multiple IP-based networks. - Norihiro Fukumoto; Hideaki Yamada; Hisashi Kawai (CCNC, 2006)

A DOA estimation method for 3D multiple source signals using independent component analysis. - Hao Yuan; Makoto Yamada; Hisashi Kawai (EUSIPCO, 2006)

Constructing a Phonetic-Rich Speech Corpus While Controlling Time-Dependent Voice Quality Variability for English Speech Synthesis. - Jinfu Ni; Toshio Hirai; Hisashi Kawai (ICASSP (1), 2006)

A Short-Latency Unit Selection Method with Redundant Search for Concatenative Speech Synthesis. - Nobuyuki Nishizawa; Hisashi Kawai (ICASSP (1), 2006)

Quick individual fitting methods of simplified hearing compensation for elderly people. - Kengo Fujita; Tsuneo Kato; Hisashi Kawai (INTERSPEECH, 2006)

A text-prompted distributed speaker verification system implemented on a cellular phone and a mobile terminal. - Tsuneo Kato; Hisashi Kawai (INTERSPEECH, 2006)

An evaluation of cost functions sensitively capturing local degradation of naturalness for segment selection in concatenative speech synthesis. - Tomoki Toda; Hisashi Kawai; Minoru Tsuzaki; Kiyohiro Shikano (Speech Commun., 2006)

The ATR multilingual speech-to-speech translation system. - Satoshi Nakamura 001; Konstantin Markov; Hiromi Nakaiwa; Gen-ichiro Kikui; Hisashi Kawai; Takatoshi Jitsuhiro; Jinsong Zhang 001; Hirofumi Yamamoto; Eiichiro Sumita; Seiichi Yamamoto (IEEE Trans. Speech Audio Process., 2006)

ATRECSS - ATR English speech corpus for speech synthesis. - Jinfu Ni; Toshio Hirai; Hisashi Kawai; Tomoki Toda; Keiichi Tokuda; Minoru Tsuzaki; Shinsuke Sakai; Ranniery Maia; Satoshi Nakamura 001 (Blizzard Challenge, 2007)

Reduction of correlation computation in the permutation of the frequency domain ICA by selecting DOAs estimated in subarrays. - Hao Yuan; Hisashi Kawai; Toshiharu Horiuchi (EUSIPCO, 2007)

A preselection method based on cost degradation from the optimal sequence for concatenative speech synthesis. - Nobuyuki Nishizawa; Hisashi Kawai (INTERSPEECH, 2007)

Communicative speech synthesis with XIMERA: a first step. - Shinsuke Sakai; Jinfu Ni; Ranniery Maia; Keiichi Tokuda; Minoru Tsuzaki; Tomoki Toda; Hisashi Kawai; Satoshi Nakamura 001 (SSW, 2007)

Unit database pruning based on the cost degradation criterion for concatenative speech synthesis. - Nobuyuki Nishizawa; Hisashi Kawai (ICASSP, 2008)

Phone duration modeling using gradient tree boosting. - Junichi Yamagishi; Hisashi Kawai; Takao Kobayashi (Speech Commun., 2008)

Investigation of Optimum Electrode Locations by Using an Automatized Surface Electromyography Analysis Technique. - Ken Nishihara; Hisashi Kawai; Toshiaki Gomi; Miho Terajima; Yu Chiba (IEEE Trans. Biomed. Eng., 2008)

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. - Ranniery Maia; Tomoki Toda; Shinsuke Sakai; Yoshinori Shiga; Jinfu Ni; Hisashi Kawai; Keiichi Tokuda; Minoru Tsuzaki; Satoshi Nakamura 001 (Blizzard Challenge, 2009)

A close look into the probabilistic concatenation model for corpus-based speech synthesis. - Shinsuke Sakai; Ranniery Maia; Hisashi Kawai; Satoshi Nakamura 001 (INTERSPEECH, 2009)

Robust and Fast Lyric Search based on Phonetic Confusion Matrix. - Xin Xu; Masaki Naito; Tsuneo Kato; Hisashi Kawai (ISMIR, 2009)

Hyperbolic structure of fundamental frequency contour. - Jinfu Ni; Shinsuke Sakai; Hisashi Kawai; Satoshi Nakamura 001 (IUCS, 2009)

Active Learning for Generating Motion and Utterances in Object Manipulation Dialogue Tasks. - Komei Sugiura; Naoto Iwahashi; Hisashi Kawai; Satoshi Nakamura 001 (AAAI Fall Symposium: Dialog with Robots, 2010)

Exploiting Social Q&A Collection in Answering Complex Questions. - Youzheng Wu; Hisashi Kawai (CIPS-SIGHAN, 2010)

NICT Blizzard Challenge 2010 Entry. - Yoshinori Shiga; Tomoki Toda; Shinsuke Sakai; Jinfu Ni; Hisashi Kawai; Keiichi Tokuda; Minoru Tsuzaki; Satoshi Nakamura 001 (Blizzard Challenge, 2010)

Spoken Dialog System on Plasma Display Panel Estimating Users' Interest by Image Processing. - Kentaro Kayama; Akihiro Kobayashi; Etsuo Mizukami; Teruhisa Misu; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (Intelligent Environments (Workshops), 2010)

Brazilian portuguese acoustic model training based on data borrowing from other language. - Kazuhiko Abe; Sakriani Sakti; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (INTERSPEECH, 2010)

Cluster-based language model for spoken document retrieval using NMF-based document clustering. - Xinhui Hu; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (INTERSPEECH, 2010)

Construction and evaluations of an annotated Chinese conversational corpus in travel domain for the language model of speech recognition. - Xinhui Hu; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (INTERSPEECH, 2010)

Voice activity detection in a reguarized reproducing kernel hilbert space. - Xugang Lu; Masashi Unoki; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (INTERSPEECH, 2010)

An unsupervised approach to creating web audio contents-based HMM voices. - Jinfu Ni; Hisashi Kawai (INTERSPEECH, 2010)

Utilizing a noisy-channel approach for Korean LVCSR. - Sakriani Sakti; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (INTERSPEECH, 2010)

Improved training of excitation for HMM-based parametric speech synthesis. - Yoshinori Shiga; Tomoki Toda; Shinsuke Sakai; Hisashi Kawai (INTERSPEECH, 2010)

Speech enhancement as a functional approximation and generalization. - Xugang Lu; Masashi Unoki; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (ISCSLP, 2010)

An environment structuring framework to facilitating suitable prior density estimation for MAPLR on robust speech recognition. - Yu Tsao 001; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (ISCSLP, 2010)

Improving spontaneous English ASR using a joint-sequence pronunciation model. - Hansjörg Hofmann; Sakriani Sakti; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001; Wolfgang Minker (IUCS, 2010)

Web text classification for response generation in spoken decision support dialogue systems. - Teruhisa Misu; Kiyonori Ohtake; Chiori Hori; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (IUCS, 2010)

Korean pronunciation variation modeling with probabilistic Bayesian networks. - Sakriani Sakti; Andrew M. Finch; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (IUCS, 2010)

Sequence-Based Pronunciation Modeling Using a Noisy-Channel Approach. - Hansjörg Hofmann; Sakriani Sakti; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001; Wolfgang Minker (IWSDS, 2010)

Expansion of WFST-Based Dialog Management for Handling Multiple ASR Hypotheses. - Naoto Kimura; Chiori Hori; Teruhisa Misu; Kiyonori Ohtake; Hisashi Kawai; Satoshi Nakamura 001 (IWSDS, 2010)

Evaluation of Facial Direction Estimation from Cameras for Multi-modal Spoken Dialog System. - Akihiro Kobayashi; Kentaro Kayama; Etsuo Mizukami; Teruhisa Misu; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (IWSDS, 2010)

Construction and Experiment of a Spoken Consulting Dialogue System. - Teruhisa Misu; Chiori Hori; Kiyonori Ohtake; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (IWSDS, 2010)

Sightseeing Guidance Systems Based on WFST-Based Dialogue Manager. - Teruhisa Misu; Chiori Hori; Kiyonori Ohtake; Etsuo Mizukami; Akihiro Kobayashi; Kentaro Kayama; Tetsuya Fujii; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (IWSDS, 2010)

A Study Toward an Evaluation Method for Spoken Dialogue Systems Considering User Criteria. - Etsuo Mizukami; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (IWSDS, 2010)

Modeling Spoken Decision Making Dialogue and Optimization of its Dialogue Strategy. - Teruhisa Misu; Komei Sugiura; Kiyonori Ohtake; Chiori Hori; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (SIGDIAL Conference, 2010)

Dialogue strategy optimization to assist user's decision for spoken consulting dialogue systems. - Teruhisa Misu; Komei Sugiura; Kiyonori Ohtake; Chiori Hori; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (SLT, 2010)

An investigation of the impact of speech transcript errors on HMM voices. - Jinfu Ni; Hisashi Kawai (SSW, 2010)

NiCT at TREC 2010: Related Entity Finding. - Youzheng Wu; Chiori Hori; Hisashi Kawai (TREC, 2010)

Unsupervised determination of efficient Korean LVCSR units using a Bayesian Dirichlet process model. - Sakriani Sakti; Andrew M. Finch; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (ICASSP, 2011)

Increasing discriminative capability on MAP-based mapping function estimation for acoustic model adaptation. - Yu Tsao 001; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (ICASSP, 2011)

A sampling-based environment population projection approach for rapid acoustic model adaptation. - Yu Tsao 001; Shigeki Matsuda; Shinsuke Sakai; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (ICASSP, 2011)

Improving Related Entity Finding via Incorporating Homepages and Recognizing Fine-grained Entities. - Youzheng Wu; Chiori Hori; Hisashi Kawai; Hideki Kashioka (IJCNLP, 2011)

Answering Complex Questions via Exploiting Social Q&A Collection. - Youzheng Wu; Chiori Hori; Hisashi Kawai; Hideki Kashioka (IJCNLP, 2011)

Speaker-Adaptive Speech Synthesis Based on Eigenvoice Conversion and Language-Dependent Prosodic Conversion in Speech-to-Speech Translation. - Nobuhiko Hattori; Tomoki Toda; Hisashi Kawai; Hiroshi Saruwatari; Kiyohiro Shikano (INTERSPEECH, 2011)

Adaptive Regularization Framework for Robust Voice Activity Detection. - Xugang Lu; Masashi Unoki; Ryosuke Isotani; Hisashi Kawai; Satoshi Nakamura 001 (INTERSPEECH, 2011)

User Study of Spoken Decision Support System. - Teruhisa Misu; Kiyonori Ohtake; Chiori Hori; Hisashi Kawai; Satoshi Nakamura 001 (INTERSPEECH, 2011)

Incorporating Regional Information to Enhance MAP-Based Stochastic Feature Compensation for Robust Speech Recognition. - Yu Tsao 001; Paul R. Dixon; Chiori Hori; Hisashi Kawai (INTERSPEECH, 2011)

Estimation of Perceptual Spaces for Speaker Identities Based on the Cross-Lingual Discrimination Task. - Minoru Tsuzaki; Keiichi Tokuda; Hisashi Kawai; Jinfu Ni (INTERSPEECH, 2011)

Analysis on Effects of Text-to-Speech and Avatar Agent in Evoking Users' Spontaneous Listener's Reactions. - Teruhisa Misu; Etsuo Mizukami; Yoshinori Shiga; Shinichi Kawamoto; Hisashi Kawai; Satoshi Nakamura 001 (IWSDS, 2011)

Toward Construction of Spoken Dialogue System that Evokes Users' Spontaneous Backchannels. - Teruhisa Misu; Etsuo Mizukami; Yoshinori Shiga; Shinichi Kawamoto; Hisashi Kawai; Satoshi Nakamura 001 (SIGDIAL Conference, 2011)

Situated Spoken Dialogue with Robots Using Active Learning. - Komei Sugiura; Naoto Iwahashi; Hisashi Kawai; Satoshi Nakamura 001 (Adv. Robotics, 2011)

Probabilistic Concatenation Modeling for Corpus-Based Speech Synthesis. - Shinsuke Sakai; Tatsuya Kawahara; Hisashi Kawai (IEICE Trans. Inf. Syst., 2011)

Modeling spoken decision support dialogue and optimization of its dialogue strategy. - Teruhisa Misu; Komei Sugiura; Tatsuya Kawahara; Kiyonori Ohtake; Chiori Hori; Hideki Kashioka; Hisashi Kawai; Satoshi Nakamura 001 (ACM Trans. Speech Lang. Process., 2011)

An Evaluation of Parameter Generation Methods with Rich Context Models in HMM-Based Speech Synthesis. - Shinnosuke Takamichi; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai; Sakriani Sakti; Satoshi Nakamura 001 (INTERSPEECH, 2012)

Resonance-based spectral deformation in HMM-based speech synthesis. - Jinfu Ni; Yoshinori Shiga; Hisashi Kawai; Hideki Kashioka (ISCSLP, 2012)

Experiments on unsupervised statistical parametric speech synthesis. - Jinfu Ni; Yoshinori Shiga; Hisashi Kawai; Hideki Kashioka (ISCSLP, 2012)

Distributed speech translation technologies for multiparty multilingual communication. - Sakriani Sakti; Michael Paul; Andrew M. Finch; Xinhui Hu; Jinfu Ni; Noriyuki Kimura; Shigeki Matsuda; Chiori Hori; Yutaka Ashikari; Hisashi Kawai; Hideki Kashioka; Eiichiro Sumita; et al. (ACM Trans. Speech Lang. Process., 2012)

Multilingual Speech-to-Speech Translation System: VoiceTra. - Shigeki Matsuda; Xinhui Hu; Yoshinori Shiga; Hideki Kashioka; Chiori Hori; Keiji Yasuda; Hideo Okuma; Masao Uchiyama; Eiichiro Sumita; Hisashi Kawai; Satoshi Nakamura 001 (MDM (2), 2013)

Investigation of Innervation Zone Shift with Continuous Dynamic Muscle Contraction. - Ken Nishihara; Hisashi Kawai; Yu Chiba; Naohiko Kanemura; Toshiaki Gomi (Comput. Math. Methods Medicine, 2013)

Non-monologue HMM-based speech synthesis for service robots: A cloud robotics approach. - Komei Sugiura; Yoshinori Shiga; Hisashi Kawai; Teruhisa Misu; Chiori Hori (ICRA, 2014)

A Myanmar large vocabulary continuous speech recognition system. - Hay Mar Soe Naing; Aye Mya Hlaing; Win Pa Pa; Xinhui Hu; Ye Kyaw Thu; Chiori Hori; Hisashi Kawai (APSIPA, 2015)

Training data pseudo-shuffling and direct decoding framework for recurrent neural network based acoustic modeling. - Naoyuki Kanda; Mitsuyoshi Tachimori; Xugang Lu; Hisashi Kawai (ASRU, 2015)

Sparse representation with temporal max-smoothing for acoustic event detection. - Xugang Lu; Peng Shen; Yu Tsao 001; Chiori Hori; Hisashi Kawai (INTERSPEECH, 2015)

HMM based myanmar text to speech system. - Ye Kyaw Thu; Win Pa Pa; Jinfu Ni; Yoshinori Shiga; Andrew M. Finch; Chiori Hori; Hisashi Kawai; Eiichiro Sumita (INTERSPEECH, 2015)

A cloud robotics approach towards dialogue-oriented robot speech. - Komei Sugiura; Yoshinori Shiga; Hisashi Kawai; Teruhisa Misu; Chiori Hori (Adv. Robotics, 2015)

Leveraging social Q&A collections for improving complex question answering. - Youzheng Wu; Chiori Hori; Hideki Kashioka; Hisashi Kawai (Comput. Speech Lang., 2015)

Bottleneck linear transformation network adaptation for speaker adaptive training-based hybrid DNN-HMM speech recognizer. - Tsubasa Ochiai; Shigeki Matsuda; Hideyuki Watanabe; Xugang Lu; Hisashi Kawai; Shigeru Katagiri (ICASSP, 2016)

Local fisher discriminant analysis for spoken language identification. - Peng Shen; Xugang Lu; Lemao Liu; Hisashi Kawai (ICASSP, 2016)

Investigation of Semi-Supervised Acoustic Model Training Based on the Committee of Heterogeneous Neural Networks. - Naoyuki Kanda; Shoji Harada; Xugang Lu; Hisashi Kawai (INTERSPEECH, 2016)

Maximum a posteriori Based Decoding for CTC Acoustic Models. - Naoyuki Kanda; Xugang Lu; Hisashi Kawai (INTERSPEECH, 2016)

Pair-Wise Distance Metric Learning of Neural Network Model for Spoken Language Identification. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (INTERSPEECH, 2016)

Using Zero-Frequency Resonator to Extract Multilingual Intonation Structure. - Jinfu Ni; Yoshinori Shiga; Hisashi Kawai (INTERSPEECH, 2016)

Model Integration for HMM- and DNN-Based Speech Synthesis Using Product-of-Experts Framework. - Kentaro Tachibana; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (INTERSPEECH, 2016)

F0 Contour Analysis Based on Empirical Mode Decomposition for DNN Acoustic Modeling in Mandarin Speech Recognition. - Xiaoyun Wang 002; Xugang Lu; Hisashi Kawai; Seiichi Yamamoto (INTERSPEECH, 2016)

A pseudo-task design in multi-task learning deep neural network for speaker recognition. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (ISCSLP, 2016)

Comparison of regularization constraints in deep neural network based speaker adaptation. - Peng Shen; Xugang Lu; Hisashi Kawai (ISCSLP, 2016)

Automatic acoustic segmentation in N-best list rescoring for lecture speech recognition. - Peng Shen; Xugang Lu; Hisashi Kawai (ISCSLP, 2016)

Speaker Adaptive Training Localizing Speaker Modules in DNN for Hybrid DNN-HMM Speech Recognizers. - Tsubasa Ochiai; Shigeki Matsuda; Hideyuki Watanabe; Xugang Lu; Chiori Hori; Hisashi Kawai; Shigeru Katagiri (IEICE Trans. Inf. Syst., 2016)

Combination of multiple acoustic models with unsupervised adaptation for lecture speech transcription. - Peng Shen; Xugang Lu; Xinhui Hu; Naoyuki Kanda; Masahiro Saiko; Chiori Hori; Hisashi Kawai (Speech Commun., 2016)

Raw waveform-based speech enhancement by fully convolutional networks. - Szu-Wei Fu; Yu Tsao 001; Xugang Lu; Hisashi Kawai (APSIPA, 2017)

Incremental training and constructing the very deep convolutional residual network acoustic models. - Sheng Li 010; Xugang Lu; Peng Shen; Ryoichi Takashima; Tatsuya Kawahara; Hisashi Kawai (ASRU, 2017)

Subband wavenet with overlapped single-sideband filterbanks. - Takuma Okamoto; Kentaro Tachibana; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (ASRU, 2017)

Grounded language understanding for manipulation instructions using GAN-based classification. - Komei Sugiura; Hisashi Kawai (ASRU, 2017)

Minimum Bayes risk training of CTC acoustic models in maximum a posteriori based decoding framework. - Naoyuki Kanda; Xugang Lu; Hisashi Kawai (ICASSP, 2017)

Global Syllable Vectors for Building TTS Front-End with Deep Learning. - Jinfu Ni; Yoshinori Shiga; Hisashi Kawai (INTERSPEECH, 2017)

Conditional Generative Adversarial Nets Classifier for Spoken Language Identification. - Peng Shen; Xugang Lu; Sheng Li 010; Hisashi Kawai (INTERSPEECH, 2017)

End-to-End Waveform Utterance Enhancement for Direct Evaluation Metrics Optimization by Fully Convolutional Neural Networks. - Szu-Wei Fu; Yu Tsao 001; Xugang Lu; Hisashi Kawai (CoRR, 2017)

Regularization of neural network model with distance metric learning for i-vector based spoken language identification. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (Comput. Speech Lang., 2017)

Development of the "VoiceTra" Multi-Lingual Speech Translation System. - Shigeki Matsuda; Teruaki Hayashi; Yutaka Ashikari; Yoshinori Shiga; Hidenori Kashioka; Keiji Yasuda; Hideo Okuma; Masao Uchiyama; Eiichiro Sumita; Hisashi Kawai; Satoshi Nakamura 001 (IEICE Trans. Inf. Syst., 2017)

Maximum-a-Posteriori-Based Decoding for End-to-End Acoustic Models. - Naoyuki Kanda; Xugang Lu; Hisashi Kawai (IEEE ACM Trans. Audio Speech Lang. Process., 2017)

Comparative Evaluations of Various Factored Deep Convolutional Rnn Architectures for Noise Robust Speech Recognition. - Masakiyo Fujimoto; Hisashi Kawai (ICASSP, 2018)

An Investigation of Subband Wavenet Vocoder Covering Entire Audible Frequency Range with Limited Acoustic Features. - Takuma Okamoto; Kentaro Tachibana; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (ICASSP, 2018)

An Investigation of Noise Shaping with Perceptual Weighting for Wavenet-Based Speech Generation. - Kentaro Tachibana; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (ICASSP, 2018)

An Investigation of a Knowledge Distillation Method for CTC Acoustic Models. - Ryoichi Takashima; Sheng Li 010; Hisashi Kawai (ICASSP, 2018)

CTC Loss Function with a Unit-Level Ambiguity Penalty. - Ryoichi Takashima; Sheng Li 010; Hisashi Kawai (ICASSP, 2018)

Improving CTC-based Acoustic Model with Very Deep Residual Time-delay Neural Networks. - Sheng Li 010; Xugang Lu; Ryoichi Takashima; Peng Shen; Tatsuya Kawahara; Hisashi Kawai (INTERSPEECH, 2018)

Temporal Attentive Pooling for Acoustic Event Detection. - Xugang Lu; Peng Shen; Sheng Li 010; Yu Tsao 001; Hisashi Kawai (INTERSPEECH, 2018)

Multilingual Grapheme-to-Phoneme Conversion with Global Character Vectors. - Jinfu Ni; Yoshinori Shiga; Hisashi Kawai (INTERSPEECH, 2018)

Feature Representation of Short Utterances Based on Knowledge Distillation for Spoken Language Identification. - Peng Shen; Xugang Lu; Sheng Li 010; Hisashi Kawai (INTERSPEECH, 2018)

Improving Very Deep Time-Delay Neural Network With Vertical-Attention For Effectively Training CTC-Based ASR Systems. - Sheng Li 010; Xugang Lu; Ryoichi Takashima; Peng Shen; Tatsuya Kawahara; Hisashi Kawai (SLT, 2018)

Improving FFTNet Vocoder with Noise Shaping and Subband Approaches. - Takuma Okamoto; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (SLT, 2018)

A Multimodal Classifier Generative Adversarial Network for Carry and Place Tasks From Ambiguous Language Instructions. - Aly Magassouba; Komei Sugiura; Hisashi Kawai (IEEE Robotics Autom. Lett., 2018)

End-to-End Waveform Utterance Enhancement for Direct Evaluation Metrics Optimization by Fully Convolutional Neural Networks. - Szu-Wei Fu; Taowei Wang; Yu Tsao 001; Xugang Lu; Hisashi Kawai (IEEE ACM Trans. Audio Speech Lang. Process., 2018)

Tacotron-Based Acoustic Model Using Phoneme Alignment for Practical Neural Text-to-Speech Systems. - Takuma Okamoto; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (ASRU, 2019)

HMM-based TTS System Framework. - Saly Keo; Soky Kak; Yoshinori Shiga; Hiroaki Kato; Hisashi Kawai (CIFEr, 2019)

Multimodal Attention Branch Network for Perspective-Free Sentence Generation. - Aly Magassouba; Komei Sugiura; Hisashi Kawai (CoRL, 2019)

Investigations of Real-time Gaussian Fftnet and Parallel Wavenet Neural Vocoders with Simple Acoustic Features. - Takuma Okamoto; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (ICASSP, 2019)

Interactive Learning of Teacher-student Model for Short Utterance Spoken Language Identification. - Peng Shen; Xugang Lu; Sheng Li 010; Hisashi Kawai (ICASSP, 2019)

Investigation of Sequence-level Knowledge Distillation Methods for CTC Acoustic Models. - Ryoichi Takashima; Sheng Li 010; Hisashi Kawai (ICASSP, 2019)

End-to-End Articulatory Attribute Modeling for Low-Resource Multilingual Speech Recognition. - Sheng Li 010; Chenchen Ding; Xugang Lu; Peng Shen; Tatsuya Kawahara; Hisashi Kawai (INTERSPEECH, 2019)

One-Pass Single-Channel Noisy Speech Recognition Using a Combination of Noisy and Enhanced Features. - Masakiyo Fujimoto; Hisashi Kawai (INTERSPEECH, 2019)

Investigating Radical-Based End-to-End Speech Recognition Systems for Chinese Dialects and Japanese. - Sheng Li 010; Xugang Lu; Chenchen Ding; Peng Shen; Tatsuya Kawahara; Hisashi Kawai (INTERSPEECH, 2019)

Improving Transformer-Based Speech Recognition Systems with Compressed Structure and Speech Attributes Augmentation. - Sheng Li 010; Raj Dabre; Xugang Lu; Peng Shen; Tatsuya Kawahara; Hisashi Kawai (INTERSPEECH, 2019)

Incorporating Symbolic Sequential Modeling for Speech Enhancement. - Chien-Feng Liao; Yu Tsao 001; Xugang Lu; Hisashi Kawai (INTERSPEECH, 2019)

Class-Wise Centroid Distance Metric Learning for Acoustic Event Detection. - Xugang Lu; Peng Shen; Sheng Li 010; Yu Tsao 001; Hisashi Kawai (INTERSPEECH, 2019)

Duration Modeling with Global Phoneme-Duration Vectors. - Jinfu Ni; Yoshinori Shiga; Hisashi Kawai (INTERSPEECH, 2019)

Real-Time Neural Text-to-Speech with Sequence-to-Sequence Acoustic Model and WaveGlow or Single Gaussian WaveRNN Vocoders. - Takuma Okamoto; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (INTERSPEECH, 2019)

Latent-Space Data Augmentation for Visually-Grounded Language Understanding. - Aly Magassouba; Komei Sugiura; Hisashi Kawai (JSAI, 2019)

Deep progressive multi-scale attention for acoustic event classification. - Xugang Lu; Peng Shen; Sheng Li 010; Yu Tsao 001; Hisashi Kawai (CoRR, 2019)

Understanding Natural Language Instructions for Fetching Daily Objects Using GAN-Based Multimodal Target-Source Classification. - Aly Magassouba; Komei Sugiura; Anh Trinh Quoc; Hisashi Kawai (IEEE Robotics Autom. Lett., 2019)

Transformer-Based Text-to-Speech with Weighted Forced Attention. - Takuma Okamoto; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (ICASSP, 2020)

Investigation of NICT Submission for Short-Duration Speaker Verification Challenge 2020. - Peng Shen; Xugang Lu; Hisashi Kawai (INTERSPEECH, 2020)

Quasi-Periodic Parallel WaveGAN Vocoder: A Non-Autoregressive Pitch-Dependent Dilated Convolution Model for Parametric Speech Generation. - Yi-Chiao Wu; Tomoki Hayashi; Takuma Okamoto; Hisashi Kawai; Tomoki Toda (INTERSPEECH, 2020)

Joint Training End-to-End Speech Recognition Systems with Speaker Attributes. - Sheng Li 010; Xugang Lu; Raj Dabre; Peng Shen; Hisashi Kawai (Odyssey, 2020)

Compensation on x-vector for Short Utterance Spoken Language Identification. - Peng Shen; Xugang Lu; Komei Sugiura; Sheng Li 010; Hisashi Kawai (Odyssey, 2020)

A Multimodal Target-Source Classifier With Attention Branches to Understand Ambiguous Instructions for Fetching Daily Objects. - Aly Magassouba; Komei Sugiura; Hisashi Kawai (IEEE Robotics Autom. Lett., 2020)

Alleviating the Burden of Labeling: Sentence Generation by Attention Branch Encoder-Decoder Network. - Tadashi Ogura; Aly Magassouba; Komei Sugiura; Tsubasa Hirakawa; Takayoshi Yamashita; Hironobu Fujiyoshi; Hisashi Kawai (IEEE Robotics Autom. Lett., 2020)

Knowledge Distillation-Based Representation Learning for Short-Utterance Spoken Language Identification. - Peng Shen; Xugang Lu; Sheng Li 010; Hisashi Kawai (IEEE ACM Trans. Audio Speech Lang. Process., 2020)

Field Experiment System "VoiceTra". - Yutaka Ashikari; Hisashi Kawai (Speech-to-Speech Translation, 2020)

Siamese Neural Network with Joint Bayesian Model Structure for Speaker Verification. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (APSIPA ASC, 2021)

Multi-Stream HiFi-GAN with Data-Driven Waveform Decomposition. - Takuma Okamoto; Tomoki Toda; Hisashi Kawai (ASRU, 2021)

Unsupervised Neural Adaptation Model Based on Optimal Transport for Spoken Language Identification. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (ICASSP, 2021)

High-Intelligibility Speech Synthesis for Dysarthric Speakers with LPCNet-Based TTS and CycleVAE-Based VC. - Keisuke Matsubara; Takuma Okamoto; Ryoichi Takashima; Tetsuya Takiguchi; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (ICASSP, 2021)

Noise Level Limited Sub-Modeling for Diffusion Probabilistic Vocoders. - Takuma Okamoto; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (ICASSP, 2021)

Noise Robust Acoustic Modeling for Single-Channel Speech Recognition Based on a Stream-Wise Transformer Architecture. - Masakiyo Fujimoto; Hisashi Kawai (Interspeech, 2021)

Full-Band LPCNet: A Real-Time Neural Vocoder for 48 kHz Audio With a CPU. - Keisuke Matsubara; Takuma Okamoto; Ryoichi Takashima; Tetsuya Takiguchi; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (IEEE Access, 2021)

Predicting and attending to damaging collisions for placing everyday objects in photo-realistic simulations. - Aly Magassouba; Komei Sugiura; Angelica Nakayama; Tsubasa Hirakawa; Takayoshi Yamashita; Hironobu Fujiyoshi; Hisashi Kawai (Adv. Robotics, 2021)

Integrating a joint Bayesian generative model in a discriminative learning framework for speaker verification. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (CoRR, 2021)

CrossMap Transformer: A Crossmodal Masked Path Transformer Using Double Back-Translation for Vision-and-Language Navigation. - Aly Magassouba; Komei Sugiura; Hisashi Kawai (IEEE Robotics Autom. Lett., 2021)

Coupling a Generative Model With a Discriminative Learning Framework for Speaker Verification. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (IEEE ACM Trans. Audio Speech Lang. Process., 2021)

Quasi-Periodic Parallel WaveGAN: A Non-Autoregressive Raw Waveform Generative Model With Pitch-Dependent Dilated Convolution Neural Network. - Yi-Chiao Wu; Tomoki Hayashi; Takuma Okamoto; Hisashi Kawai; Tomoki Toda (IEEE ACM Trans. Audio Speech Lang. Process., 2021)

Transducer-based language embedding for spoken language identification. - Peng Shen; Xugang Lu; Hisashi Kawai (INTERSPEECH, 2022)

Self-Adaptive Multilingual ASR Rescoring with Language Identification and Unified Language Model. - Zhuo Gong; Daisuke Saito; Longfei Yang; Takahiro Shinozaki; Sheng Li 010; Hisashi Kawai; Nobuaki Minematsu (Odyssey, 2022)

Pronunciation-Aware Unique Character Encoding for RNN Transducer-Based Mandarin Speech Recognition. - Peng Shen; Xugang Lu; Hisashi Kawai (SLT, 2022)

Partial Coupling of Optimal Transport for Spoken Language Identification. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (CoRR, 2022)

Speaking-Rate-Controllable HiFi-GAN Using Feature Interpolation. - Detai Xin; Shinnosuke Takamichi; Takuma Okamoto; Hisashi Kawai; Hiroshi Saruwatari (CoRR, 2022)

Neural speech-rate conversion with multispeaker WaveNet vocoder. - Takuma Okamoto; Keisuke Matsubara; Tomoki Toda; Yoshinori Shiga; Hisashi Kawai (Speech Commun., 2022)

Cross-Modal Alignment With Optimal Transport For CTC-Based ASR. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (ASRU, 2023)

WaveNeXt: ConvNeXt-Based Fast Neural Vocoder Without ISTFT layer. - Takuma Okamoto; Haruki Yamashita; Yamato Ohtani; Tomoki Toda; Hisashi Kawai (ASRU, 2023)

Generative Linguistic Representation for Spoken Language Identification. - Peng Shen; Xuguang Lu; Hisashi Kawai (ASRU, 2023)

E2E-S2S-VC: End-To-End Sequence-To-Sequence Voice Conversion. - Takuma Okamoto; Tomoki Toda; Hisashi Kawai (INTERSPEECH, 2023)

Homeostatic System Design Based on Understanding the Living Environmental Determinants of Falls. - Mikiko Oono; Ayano Nomura; Koji Kitamura; Yoshifumi Nishida; Shunsaburo Nakahara; Hisashi Kawai (SMC, 2023)

Neural domain alignment for spoken language recognition based on optimal transport. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (CoRR, 2023)

Speaker Mask Transformer for Multi-talker Overlapped Speech Recognition. - Peng Shen; Xugang Lu; Hisashi Kawai (CoRR, 2023)

Harmonic-Net: Fundamental Frequency and Speech Rate Controllable Fast Neural Vocoder. - Keisuke Matsubara; Takuma Okamoto; Ryoichi Takashima; Tetsuya Takiguchi; Tomoki Toda; Hisashi Kawai (IEEE ACM Trans. Audio Speech Lang. Process., 2023)

Hierarchical Cross-Modality Knowledge Transfer with Sinkhorn Attention for CTC-Based ASR. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (ICASSP, 2024)

FIRNet: Fundamental Frequency Controllable Fast Neural Vocoder With Trainable Finite Impulse Response Filter. - Yamato Ohtani; Takuma Okamoto; Tomoki Toda; Hisashi Kawai (ICASSP, 2024)

Convnext-TTS And Convnext-VC: Convnext-Based Fast End-To-End Sequence-To-Sequence Text-To-Speech And Voice Conversion. - Takuma Okamoto; Yamato Ohtani; Tomoki Toda; Hisashi Kawai (ICASSP, 2024)

Investigating ASR Error Correction with Large Language Model and Multilingual 1-best Hypotheses. - Sheng Li 010; Chen Chen 075; Kwok Chin Yuen; Chenhui Chu; Eng Siong Chng; Hisashi Kawai (INTERSPEECH, 2024)

Mobile PresenTra: NICT fast neural text-to-speech system on smartphones with incremental inference of MS-FC-HiFi-GAN for law-latency synthesis. - Takuma Okamoto; Yamato Ohtani; Hisashi Kawai (INTERSPEECH, 2024)

Challenge of Singing Voice Synthesis Using Only Text-To-Speech Corpus With FIRNet Source-Filter Neural Vocoder. - Takuma Okamoto; Yamato Ohtani; Sota Shimizu; Tomoki Toda; Hisashi Kawai (INTERSPEECH, 2024)

Temporal Order Preserved Optimal Transport-Based Cross-Modal Knowledge Transfer Learning for ASR. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (SLT, 2024)

Fast Neural Speech Waveform Generative Models With Fully-Connected Layer-Based Upsampling. - Haruki Yamashita; Takuma Okamoto; Ryoichi Takashima; Yamato Ohtani; Tetsuya Takiguchi; Tomoki Toda; Hisashi Kawai (IEEE Access, 2024)

Mora-Level Prosody Prediction for Text-to-Speech Using Japanese BERT Without Accentual Labels. - Tadashi Ogura; Takuma Okamoto; Yamato Ohtani; Erica Cooper; Tomoki Toda; Hisashi Kawai (ICASSP, 2025)

Phoneme-Level Duration Controllable Neural Text-to-Speech With Phoneme Embedding Skip Connection and Modified Gaussian Duration Modeling. - Tadashi Ogura; Takuma Okamoto; Yamato Ohtani; Erica Cooper; Tomoki Toda; Hisashi Kawai (IEEE Access, 2025)

Retrieval-Augmented Speech Recognition Approach for Domain Challenges. - Peng Shen; Xugang Lu; Hisashi Kawai (CoRR, 2025)

Cross-modal Knowledge Transfer Learning as Graph Matching Based on Optimal Transport for ASR. - Xugang Lu; Peng Shen; Yu Tsao 001; Hisashi Kawai (CoRR, 2025)