| 2019 | ICASSP | A Training Method Using DNN-guided Layerwise Pretraining for Deep Gaussian Processes. | Tomoki Koriyama, Takao Kobayashi |
| 2019 | Interspeech | Semi-Supervised Prosody Modeling Using Deep Gaussian Process Latent Variable Model. | Tomoki Koriyama, Takao Kobayashi |
| 2017 | ICASSP | Duration prediction using multiple Gaussian process experts for GPR-based speech synthesis. | Decha Moungsri, Tomoki Koriyama, Takao Kobayashi |
| 2016 | ICASSP | A speaker adaptation technique for Gaussian process regression based speech synthesis using feature space transform. | Tomoki Koriyama, Syohei Oshio, Takao Kobayashi |
| 2016 | Interspeech | Unsupervised Stress Information Labeling Using Gaussian Process Latent Variable Model for Statistical Speech Synthesis. | Decha Moungsri, Tomoki Koriyama, Takao Kobayashi |
| 2015 | ICASSP | Prosody generation using frame-based Gaussian process regression and classification for statistical parametric speech synthesis. | Tomoki Koriyama, Takao Kobayashi |
| 2015 | Interspeech | A comparison of speech synthesis systems based on GPR, HMM, and DNN with a small amount of training data. | Tomoki Koriyama, Takao Kobayashi |
| 2015 | Interspeech | Duration prediction using multi-level model for GPR-based speech synthesis. | Decha Moungsri, Tomoki Koriyama, Takao Kobayashi |
| 2015 | Interspeech | Entropy-based sentence selection for speech synthesis using phonetic and prosodic contexts. | Takashi Nose, Yusuke Arao, Takao Kobayashi, Komei Sugiura, Yoshinori Shiga, Akinori Ito |
| 2014 | ICASSP | Parametric speech synthesis based on Gaussian process regression using global variance and hyperparameter optimization. | Tomoki Koriyama, Takashi Nose, Takao Kobayashi |
| 2014 | Interspeech | Accent type and phrase boundary estimation using acoustic and language models for automatic prosodic labeling. | Tomoki Koriyama, Hiroshi Suzuki, Takashi Nose, Takahiro Shinozaki, Takao Kobayashi |
| 2014 | Interspeech | Transform mapping using shared decision tree context clustering for HMM-based cross-lingual speech synthesis. | Daiki Nagahama, Takashi Nose, Tomoki Koriyama, Takao Kobayashi |
| 2013 | ICASSP | Speaker-independent style conversion for HMM-based expressive speech synthesis. | Hiroki Kanagawa, Takashi Nose, Takao Kobayashi |
| 2013 | ICASSP | Frame-level acoustic modeling based on Gaussian process regression for statistical nonparametric speech synthesis. | Tomoki Koriyama, Takashi Nose, Takao Kobayashi |
| 2013 | ICASSP | HMM-based expressive speech synthesis based on phrase-level F0 context labeling. | Yu Maeno, Takashi Nose, Takao Kobayashi, Tomoki Koriyama, Yusuke Ijima, Hideharu Nakajima, Hideyuki Mizuno, Osamu Yoshioka |
| 2013 | Interspeech | Statistical nonparametric speech synthesis using sparse Gaussian processes. | Tomoki Koriyama, Takashi Nose, Takao Kobayashi |
| 2013 | Interspeech | A style control technique for singing voice synthesis based on multiple-regression HSMM. | Takashi Nose, Misa Kanemoto, Tomoki Koriyama, Takao Kobayashi |
| 2012 | ICASSP | An F0 modeling technique based on prosodic events for spontaneous speech synthesis. | Tomoki Koriyama, Takashi Nose, Takao Kobayashi |
| 2012 | Interspeech | A speech parameter generation algorithm using local variance for HMM-based speech synthesis. | Vataya Chunwijitra, Takashi Nose, Takao Kobayashi |
| 2012 | Interspeech | Discontinuous Observation HMM for Prosodic-Event-Based F0 Generation. | Tomoki Koriyama, Takashi Nose, Takao Kobayashi |
| 2011 | ICASSP | Tonal context labeling using quantized F0 symbols for improving tone correctness in average-voice-based speech synthesis. | Vataya Chunwijitra, Takashi Nose, Takao Kobayashi |
| 2011 | ICASSP | Very low bit-rate F0 coding for phonetic vocoder using MSD-HMM with quantized F0 context. | Takashi Nose, Takao Kobayashi |
| 2011 | Interspeech | On the Use of Extended Context for HMM-Based Spontaneous Conversational Speech Synthesis. | Tomoki Koriyama, Takashi Nose, Takao Kobayashi |
| 2011 | Interspeech | HMM-Based Emphatic Speech Synthesis Using Unsupervised Context Labeling. | Yu Maeno, Takashi Nose, Takao Kobayashi, Yusuke Ijima, Hideharu Nakajima, Hideyuki Mizuno, Osamu Yoshioka |
| 2011 | Interspeech | A Perceptual Expressivity Modeling Technique for Speech Synthesis Based on Multiple-Regression HSMM. | Takashi Nose, Takao Kobayashi |
| 2011 | Interspeech | Performance Prediction of Speech Recognition Using Average-Voice-Based Speech Synthesis. | Tatsuhiko Saito, Takashi Nose, Takao Kobayashi, Yohei Okato, Akio Horii |
| 2010 | ICASSP | HMM-based speech synthesis with unsupervised labeling of accentual context based on F0 quantization and average voice model. | Takashi Nose, Koujirou Ooki, Takao Kobayashi |
| 2010 | ICFHR | Fast Density Estimation for Approximated k Nearest Neighbor Classification. | Takao Kobayashi, Ikuko Shimizu |
| 2010 | Interspeech | Conversational spontaneous speech synthesis using average voice model. | Tomoki Koriyama, Takashi Nose, Takao Kobayashi |
| 2010 | Interspeech | Speaker-independent HMM-based voice conversion using quantized fundamental frequency. | Takashi Nose, Takao Kobayashi |
| 2010 | Interspeech | Evaluation of prosodic contextual factors for HMM-based speech synthesis. | Shuji Yokomizo, Takashi Nose, Takao Kobayashi |
| 2009 | ICASSP | Emotional speech recognition based on style estimation and adaptation with multiple-regression HMM. | Yusuke Ijima, Makoto Tachibana, Takashi Nose, Takao Kobayashi |
| 2009 | Interspeech | Speaking style adaptation for spontaneous speech recognition using multiple-regression HMM. | Yusuke Ijima, Takeshi Matsubara, Takashi Nose, Takao Kobayashi |
| 2009 | Interspeech | HMM-based speaker characteristics emphasis using average voice model. | Takashi Nose, Junichi Adada, Takao Kobayashi |
| 2008 | ICASSP | Speaker and style adaptation using average voice model for style control in HMM-based speech synthesis. | Makoto Tachibana, Shinsuke Izawa, Takashi Nose, Takao Kobayashi |
| 2008 | Interspeech | An on-line adaptation technique for emotional speech recognition using style estimation with multiple-regression HMM. | Yusuke Ijima, Makoto Tachibana, Takashi Nose, Takao Kobayashi |
| 2008 | Interspeech | An estimation technique of style expressiveness for emotional speech using model adaptation based on multiple-regression HSMM. | Takashi Nose, Yoichi Kato, Makoto Tachibana, Takao Kobayashi |
| 2007 | ICASSP | A Speaker Adaptation Technique for MRHSMM-Based Style Control of Synthetic Speech. | Takashi Nose, Yoichi Kato, Takao Kobayashi |
| 2007 | ICASSP | Model Adaptation Approach to Speech Synthesis with Diverse Voices and Styles. | Junichi Yamagishi, Takao Kobayashi, Makoto Tachibana, Katsumi Ogata, Yuji Nakano |
| 2007 | Interspeech | Implementation and evaluation of an HMM-based Thai speech synthesis system. | Suphattharachai Chomphan, Takao Kobayashi |
| 2007 | Interspeech | Style estimation of speech based on multiple regression hidden semi-Markov model. | Takashi Nose, Yoichi Kato, Takao Kobayashi |
| 2007 | Interspeech | Performance evaluation of HMM-based style classification with a small amount of training data. | Makoto Tachibana, Keigo Kawashima, Junichi Yamagishi, Takao Kobayashi |
| 2006 | ICASSP | HSMM-Based Model Adaptation Algorithms for Average-Voice-Based Speech Synthesis. | Junichi Yamagishi, Katsumi Ogata, Yuji Nakano, Juri Isogai, Takao Kobayashi |
| 2006 | Interspeech | Constrained structural maximum a posteriori linear regression for average-voice-based speech synthesis. | Yuji Nakano, Makoto Tachibana, Junichi Yamagishi, Takao Kobayashi |
| 2006 | Interspeech | A style control technique for speech synthesis using multiple regression HSMM. | Takashi Nose, Junichi Yamagishi, Takao Kobayashi |
| 2006 | Interspeech | Acoustic model training based on linear transformation and MAP modification for HSMM-based speech synthesis. | Katsumi Ogata, Makoto Tachibana, Junichi Yamagishi, Takao Kobayashi |
| 2006 | Interspeech | A technique for controlling voice quality of synthetic speech using multiple regression HSMM. | Makoto Tachibana, Takashi Nose, Junichi Yamagishi, Takao Kobayashi |
| 2005 | CW | HumanWalking Motion Synthesis Based on Multiple Regression Hidden Semi-Markov Model. | Takashi Yamazaki, Naotake Niwase, Junichi Yamagishi, Takao Kobayashi |
| 2005 | ICASSP | Voiced/Unvoiced Determination of Speech Signal in Noisy Environment using Harmonicity Measure Based on Instantaneous Frequency. | Dhany Arifianto, Takao Kobayashi |
| 2005 | ICASSP | Adaptive Training for Hidden Semi-Markov Model. | Junichi Yamagishi, Takao Kobayashi |
| 2005 | Interspeech | A wavelet based noise reduction algorithm for speech signal corrupted by coloured noise. | Vladimir Braquet, Takao Kobayashi |
| 2005 | Interspeech | Model adaptation and adaptive training using ESAT algorithm for HMM-based speech synthesis. | Juri Isogai, Junichi Yamagishi, Takao Kobayashi |
| 2005 | Interspeech | Performance evaluation of style adaptation for hidden semi-Markov model based speech synthesis. | Makoto Tachibana, Junichi Yamagishi, Takashi Masuko, Takao Kobayashi |
| 2004 | ICASSP | Multi-stage spectral subtraction for enhancement of audio signals. | Masatsugu Okazaki, Toshifumi Kunimoto, Takao Kobayashi |
| 2004 | ICASSP | Speaking style adaptation using context clustering decision tree for HMM-based speech synthesis. | Junichi Yamagishi, Makoto Tachibana, Takashi Masuko, Takao Kobayashi |
| 2004 | ICFHR | Pattern recognition by distributed coding: test and analysis of the power space similarity method. | Takao Kobayashi, Masaki Nakagawa |
| 2004 | Interspeech | A style control technique for HMM-based speech synthesis. | Takashi Masuko, Takao Kobayashi, Keisuke Miyanaga |
| 2004 | Interspeech | MLLR adaptation for hidden semi-Markov model based speech synthesis. | Junichi Yamagishi, Takashi Masuko, Takao Kobayashi |
| 2004 | Interspeech | Hidden semi-Markov model based speech synthesis. | Heiga Zen, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 2003 | ICASSP | IFAS-based voiced/unvoiced classification of speech signal. | Dhany Arifianto, Takao Kobayashi |
| 2003 | ICASSP | Improving the performance of HMM-based very low bit rate speech coding. | Takahiro Hoshiya, Shinji Sako, Heiga Zen, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 2003 | ICASSP | A training method for average voice model based on shared decision tree context clustering and speaker adaptive training. | Junichi Yamagishi, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi |
| 2003 | Interspeech | Performance evaluation of IFAS-based fundamental frequency estimator in noisy environment. | Dhany Arifianto, Takao Kobayashi |
| 2003 | Interspeech | Modeling of various speaking styles and emotions for HMM-based speech synthesis. | Junichi Yamagishi, Koji Onishi, Takashi Masuko, Takao Kobayashi |
| 2002 | ICASSP | Fundamental frequency estimation based on instantaneous frequency amplitude spectrum. | Tomohiro Tanaka, Takao Kobayashi, Dhany Arifianto, Takashi Masuko |
| 2002 | Interspeech | Eigenvoices for HMM-based speech synthesis. | Kengo Shichiri, Atsushi Sawabe, Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 2002 | Interspeech | A context clustering technique for average voice model in HMM-based speech synthesis. | Junichi Yamagishi, Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi |
| 2001 | ICASSP | Speaker identification using Gaussian mixture models based on multi-space probability distribution. | Chiyomi Miyajima, Yosuke Hattori, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 2001 | ICASSP | Adaptation of pitch and spectrum for HMM-based speech synthesis using MLLR. | Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi |
| 2001 | Interspeech | A robust speaker verification system against imposture using an HMM-based speech synthesis system. | Takayuki Satoh, Takashi Masuko, Takao Kobayashi, Keiichi Tokuda |
| 2001 | Interspeech | Text-to-speech synthesis with arbitrary speaker's voice from average voice. | Masatsune Tamura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi |
| 2001 | Interspeech | Mixed excitation for HMM-based speech synthesis. | Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 2000 | ICASSP | Speech parameter generation algorithms for HMM-based speech synthesis. | Keiichi Tokuda, Takayoshi Yoshimura, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 2000 | ICIP | Normalized Training for HMM-Based Visual Speech Recognition. | Yoshihiko Nankaku, Keiichi Tokuda, Tadashi Kitamura, Takao Kobayashi |
| 2000 | Interspeech | Imposture using synthetic speech against speaker verification based on spectrum and pitch. | Takashi Masuko, Keiichi Tokuda, Takao Kobayashi |
| 2000 | Interspeech | HMM-based text-to-audio-visual speech synthesis. | Shinji Sako, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 1999 | ICASSP | Hidden Markov models based on multi-space probability distribution for pitch pattern modeling. | Keiichi Tokuda, Takashi Masuko, Noboru Miyazaki, Takao Kobayashi |
| 1999 | Interspeech | On the security of HMM-based speaker verification systems against imposture using synthetic speech. | Takashi Masuko, Takafumi Hitotsumatsu, Keiichi Tokuda, Takao Kobayashi |
| 1999 | Interspeech | Text-to-audio-visual speech synthesis based on parameter generation from HMM. | Masatsune Tamura, Shigekazu Kondo, Takashi Masuko, Takao Kobayashi |
| 1999 | Interspeech | Simultaneous modeling of spectrum, pitch and duration in HMM-based speech synthesis. | Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 1998 | ICASSP | A wideband CELP speech coder at 16 kbit/s based on mel-generalized cepstral analysis. | Kazuhito Koishida, Gou Hirabayashi, Keiichi Tokuda, Takao Kobayashi |
| 1998 | ICASSP | Text-to-visual speech synthesis based on parameter generation from HMM. | Takashi Masuko, Takao Kobayashi, Masatsune Tamura, Jun Masubuchi, Keiichi Tokuda |
| 1998 | ICASSP | A very low bit rate speech coder using HMM-based speech recognition/synthesis techniques. | Keiichi Tokuda, Takashi Masuko, Jun Hiroi, Takao Kobayashi, Tadashi Kitamura |
| 1998 | Interspeech | A 16 kbit/s wideband CELP coder using MEL-generalized cepstral analysis and its subjective evaluation. | Kazuhito Koishida, Gou Hirabayashi, Keiichi Tokuda, Takao Kobayashi |
| 1998 | Interspeech | A very low bit rate speech coder using HMM with speaker adaptation. | Takashi Masuko, Keiichi Tokuda, Takao Kobayashi |
| 1998 | Interspeech | Duration modeling for HMM-based speech synthesis. | Takayoshi Yoshimura, Keiichi Tokuda, Takashi Masuko, Takao Kobayashi, Tadashi Kitamura |
| 1997 | ICASSP | Efficient encoding of mel-generalized cepstrum for CELP coders. | Kazuhito Koishida, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1997 | ICASSP | Voice characteristics conversion for HMM-based speech synthesis system. | Takashi Masuko, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1997 | Interspeech | HMM compensation for noisy speech recognition based on cepstral parameter generation. | Takao Kobayashi, Takashi Masuko, Keiichi Tokuda |
| 1997 | Interspeech | Speaker interpolation in HMM-based speech synthesis system. | Takayoshi Yoshimura, Takashi Masuko, Keiichi Tokuda, Takao Kobayashi, Tadashi Kitamura |
| 1996 | ICASSP | Speech synthesis using HMMs with dynamic features. | Takashi Masuko, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1996 | Interspeech | Robust pitch estimation with harmonics enhancement in noisy environments based on instantaneous frequency. | Toshihiko Abe, Takao Kobayashi, Satoshi Imai |
| 1996 | Interspeech | CELP coding system based on mel-generalized cepstral analysis. | Kazuhito Koishida, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1995 | ICASSP | Harmonics tracking and pitch extraction based on instantaneous frequency. | Toshihiko Abe, Takao Kobayashi, Satoshi Imai |
| 1995 | ICASSP | CELP coding based on mel-cepstral analysis. | Kazuhito Koishida, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1995 | ICASSP | Speech parameter generation from HMM using dynamic features. | Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1995 | Interspeech | An algorithm for speech parameter generation from continuous mixture HMMs with dynamic features. | Keiichi Tokuda, Takashi Masuko, Tetsuya Yamada, Takao Kobayashi, Satoshi Imai |
| 1994 | ICASSP | Speech coding based on adaptive mel-cepstral analysis. | Keiichi Tokuda, Hidetoshi Matsumura, Takao Kobayashi, Satoshi Imai |
| 1994 | Interspeech | Speech coding based on adaptive MEL-cepstral analysis for noisy channels. | Kazuhito Koishida, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1994 | Interspeech | Mel-generalized cepstral analysis - a unified approach to speech spectral estimation. | Keiichi Tokuda, Takao Kobayashi, Takashi Masuko, Satoshi Imai |
| 1993 | Interspeech | Generalized cepstral modeling of speech degraded by additive noise. | Takao Kobayashi, Toshio Kanno, Satoshi Imai |
| 1992 | ICASSP | An adaptive algorithm for mel-cepstral analysis of speech. | Toshiaki Fukada, Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1992 | ICASSP | Design of stable two-dimensional IIR digital filters with arbitrary magnitude function. | Takao Kobayashi, Kazuyoshi Fukushi, Keiichi Tokuda, Satoshi Imai |
| 1990 | ICASSP | Complex Chebyshev approximation for IIR digital filters using an iterative WLS technique. | Takao Kobayashi, Satoshi Imai |
| 1990 | ICASSP | Adaptive filtering based on cepstral representation-adaptive cepstral analysis of speech. | Keiichi Tokuda, Takao Kobayashi, Shoji Shiomoto, Satoshi Imai |
| 1990 | Interspeech | Generalized cepstral analysis of speech - unified approach to LPC and cepstral method. | Keiichi Tokuda, Takao Kobayashi, Satoshi Imai |
| 1988 | ICASSP | Design of ARMA digital filters with arbitrary log magnitude function by WLS techniques. | Takao Kobayashi, Satoshi Imai |
| 1983 | ICASSP | Characteristics pf pitch period and amplitude perturbations in pathologic voice. | Hideki Kasuya, Yasunori Kobayashi, Takao Kobayashi, Satoshi Ebihara |
| 1982 | ICASSP | A hardware implementation of a new narrow to medium band speech coding. | Fumitada Itakura, Takao Kobayashi, Masaaki Honda |