Takao Kobayashi

Orcid: 0000-0003-0387-8030

According to our database1, Takao Kobayashi authored at least 168 papers between 1982 and 2022.

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Awards

IEEE Fellow

IEEE Fellow 2017, "For contributions to expressive speech synthesis based on a statistical parametric approach".

Timeline

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Bibliography

2022
Orthogonal Dual Polarization GPR Measurement for Detection of Buried Vertical Fault.
IEEE Geosci. Remote. Sens. Lett., 2022

2021
Nadir Detection of Lunar Lava Tube by Kaguya Lunar Radar Sounder.
IEEE Trans. Geosci. Remote. Sens., 2021

2019
Statistical Parametric Speech Synthesis Using Deep Gaussian Processes.
IEEE ACM Trans. Audio Speech Lang. Process., 2019

Semi-Supervised Prosody Modeling Using Deep Gaussian Process Latent Variable Model.
Proceedings of the Interspeech 2019, 2019

A Training Method Using DNN-guided Layerwise Pretraining for Deep Gaussian Processes.
Proceedings of the IEEE International Conference on Acoustics, 2019

2018
HF (5 MHz) Imaging of the Moon by Kaguya Lunar Radar Sounder Off Nadir Echo Data.
IEEE Trans. Geosci. Remote. Sens., 2018

GPR-based Thai speech synthesis using multi-level duration prediction.
Speech Commun., 2018

2017
Sentence Selection Based on Extended Entropy Using Phonetic and Prosodic Contexts for Statistical Parametric Speech Synthesis.
IEEE ACM Trans. Audio Speech Lang. Process., 2017

Duration prediction using multiple Gaussian process experts for GPR-based speech synthesis.
Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Enhanced F0 generation for GPR-based speech synthesis considering syllable-based prosodic features.
Proceedings of the 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2017

Speech emotion recognition using convolutional long short-term memory neural network and support vector machines.
Proceedings of the 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2017

2016
Unsupervised Stress Information Labeling Using Gaussian Process Latent Variable Model for Statistical Speech Synthesis.
Proceedings of the Interspeech 2016, 2016

A speaker adaptation technique for Gaussian process regression based speech synthesis using feature space transform.
Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

2015
HMM-based expressive singing voice synthesis with singing style control and robust pitch modeling.
Comput. Speech Lang., 2015

Entropy-based sentence selection for speech synthesis using phonetic and prosodic contexts.
Proceedings of the INTERSPEECH 2015, 2015

Duration prediction using multi-level model for GPR-based speech synthesis.
Proceedings of the INTERSPEECH 2015, 2015

A comparison of speech synthesis systems based on GPR, HMM, and DNN with a small amount of training data.
Proceedings of the INTERSPEECH 2015, 2015

Prosody generation using frame-based Gaussian process regression and classification for statistical parametric speech synthesis.
Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

2014
Prosodic variation enhancement using unsupervised context labeling for HMM-based expressive speech synthesis.
Speech Commun., 2014

A Parameter Generation Algorithm Using Local Variance for HMM-Based Speech Synthesis.
IEEE J. Sel. Top. Signal Process., 2014

Statistical Parametric Speech Synthesis Based on Gaussian Process Regression.
IEEE J. Sel. Top. Signal Process., 2014

Parametric speech synthesis using local and global sparse Gaussian processes.
Proceedings of the IEEE International Workshop on Machine Learning for Signal Processing, 2014

Transform mapping using shared decision tree context clustering for HMM-based cross-lingual speech synthesis.
Proceedings of the INTERSPEECH 2014, 2014

Accent type and phrase boundary estimation using acoustic and language models for automatic prosodic labeling.
Proceedings of the INTERSPEECH 2014, 2014

Quantized F0 Context and Its Applications to Speech Synthesis, Speech Coding, and Voice Conversion.
Proceedings of the 2014 Tenth International Conference on Intelligent Information Hiding and Multimedia Signal Processing, 2014

Parametric speech synthesis based on Gaussian process regression using global variance and hyperparameter optimization.
Proceedings of the IEEE International Conference on Acoustics, 2014

HMM-based Thai speech synthesis using unsupervised stress context labeling.
Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2014

An automatic input protocol recommendation method for tailored switch-to-speech communication aid systems.
Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2014

2013
An intuitive style control technique in HMM-based expressive speech synthesis using subjective style intensity and multiple-regression global variance model.
Speech Commun., 2013

A style control technique for singing voice synthesis based on multiple-regression HSMM.
Proceedings of the INTERSPEECH 2013, 2013

Statistical nonparametric speech synthesis using sparse Gaussian processes.
Proceedings of the INTERSPEECH 2013, 2013

HMM-based expressive speech synthesis based on phrase-level F0 context labeling.
Proceedings of the IEEE International Conference on Acoustics, 2013

Frame-level acoustic modeling based on Gaussian process regression for statistical nonparametric speech synthesis.
Proceedings of the IEEE International Conference on Acoustics, 2013

Speaker-independent style conversion for HMM-based expressive speech synthesis.
Proceedings of the IEEE International Conference on Acoustics, 2013

2012
Synthetic Aperture Radar Processing of Kaguya Lunar Radar Sounder Data for Lunar Subsurface Imaging.
IEEE Trans. Geosci. Remote. Sens., 2012

Very low bit-rate F0 coding for phonetic vocoders using MSD-HMM with quantized F0 symbols.
Speech Commun., 2012

A tone-modeling technique using a quantized F0 context to improve tone correctness in average-voice-based speech synthesis.
Speech Commun., 2012

Discontinuous Observation HMM for Prosodic-Event-Based F0 Generation.
Proceedings of the INTERSPEECH 2012, 2012

A speech parameter generation algorithm using local variance for HMM-based speech synthesis.
Proceedings of the INTERSPEECH 2012, 2012

An F0 modeling technique based on prosodic events for spontaneous speech synthesis.
Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

2011
Speaker-independent HMM-based voice conversion using adaptive quantization of the fundamental frequency.
Speech Commun., 2011

Performance Prediction of Speech Recognition Using Average-Voice-Based Speech Synthesis.
Proceedings of the INTERSPEECH 2011, 2011

A Perceptual Expressivity Modeling Technique for Speech Synthesis Based on Multiple-Regression HSMM.
Proceedings of the INTERSPEECH 2011, 2011

HMM-Based Emphatic Speech Synthesis Using Unsupervised Context Labeling.
Proceedings of the INTERSPEECH 2011, 2011

On the Use of Extended Context for HMM-Based Spontaneous Conversational Speech Synthesis.
Proceedings of the INTERSPEECH 2011, 2011

Very low bit-rate F0 coding for phonetic vocoder using MSD-HMM with quantized F0 context.
Proceedings of the IEEE International Conference on Acoustics, 2011

Tonal context labeling using quantized F0 symbols for improving tone correctness in average-voice-based speech synthesis.
Proceedings of the IEEE International Conference on Acoustics, 2011

2010
Simultaneous Observation of Lunar Radar Sounder and Laser Altimeter of Kaguya for Lunar Regolith Layer Thickness Estimate.
IEEE Geosci. Remote. Sens. Lett., 2010

HMM-Based Voice Conversion Using Quantized F0 Context.
IEICE Trans. Inf. Syst., 2010

A Technique for Estimating Intensity of Emotional Expressions and Speaking Styles in Speech Based on Multiple-Regression HSMM.
IEICE Trans. Inf. Syst., 2010

Foreword.
IEICE Trans. Inf. Syst., 2010

A Rapid Model Adaptation Technique for Emotional Speech Recognition with Style Estimation Based on Multiple-Regression HMM.
IEICE Trans. Inf. Syst., 2010

HMM-based robust voice conversion using adaptive F0 quantization.
Proceedings of the Seventh ISCA Tutorial and Research Workshop on Speech Synthesis, 2010

Evaluation of prosodic contextual factors for HMM-based speech synthesis.
Proceedings of the INTERSPEECH 2010, 2010

Speaker-independent HMM-based voice conversion using quantized fundamental frequency.
Proceedings of the INTERSPEECH 2010, 2010

Conversational spontaneous speech synthesis using average voice model.
Proceedings of the INTERSPEECH 2010, 2010

Fast Density Estimation for Approximated k Nearest Neighbor Classification.
Proceedings of the International Conference on Frontiers in Handwriting Recognition, 2010

HMM-based speech synthesis with unsupervised labeling of accentual context based on F0 quantization and average voice model.
Proceedings of the IEEE International Conference on Acoustics, 2010

2009
Analysis of Speaker Adaptation Algorithms for HMM-Based Speech Synthesis and a Constrained SMAPLR Adaptation Algorithm.
IEEE Trans. Speech Audio Process., 2009

Tone correctness improvement in speaker-independent average-voice-based Thai speech synthesis.
Speech Commun., 2009

HMM-Based Style Control for Expressive Speech Synthesis with Arbitrary Speaker's Voice Using Model Adaptation.
IEICE Trans. Inf. Syst., 2009

A Linear Classification Method in a Very High Dimensional Space Using Distributed Representation.
Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2009

HMM-based speaker characteristics emphasis using average voice model.
Proceedings of the INTERSPEECH 2009, 2009

Speaking style adaptation for spontaneous speech recognition using multiple-regression HMM.
Proceedings of the INTERSPEECH 2009, 2009

Emotional speech recognition based on style estimation and adaptation with multiple-regression HMM.
Proceedings of the IEEE International Conference on Acoustics, 2009

2008
Phone duration modeling using gradient tree boosting.
Speech Commun., 2008

Tone correctness improvement in speaker dependent HMM-based Thai speech synthesis.
Speech Commun., 2008

An estimation technique of style expressiveness for emotional speech using model adaptation based on multiple-regression HSMM.
Proceedings of the INTERSPEECH 2008, 2008

An on-line adaptation technique for emotional speech recognition using style estimation with multiple-regression HMM.
Proceedings of the INTERSPEECH 2008, 2008

Speaker and style adaptation using average voice model for style control in HMM-based speech synthesis.
Proceedings of the IEEE International Conference on Acoustics, 2008

2007
Vector quantization of mel-cepstral coefficients using distortion measure for spectral analysis.
Syst. Comput. Jpn., 2007

A Hidden Semi-Markov Model-Based Speech Synthesis System.
IEICE Trans. Inf. Syst., 2007

State Duration Modeling for HMM-Based Speech Synthesis.
IEICE Trans. Inf. Syst., 2007

Average-Voice-Based Speech Synthesis Using HSMM-Based Speaker Adaptation and Adaptive Training.
IEICE Trans. Inf. Syst., 2007

A Style Control Technique for HMM-Based Expressive Speech Synthesis.
IEICE Trans. Inf. Syst., 2007

Improved average-voice-based speech synthesis using gender-mixed modeling and a parameter generation algorithm considering GV.
Proceedings of the Sixth ISCA Workshop on Speech Synthesis, 2007

Design of tree-based context clustering for an HMM-based Thai speech synthesis system.
Proceedings of the Sixth ISCA Workshop on Speech Synthesis, 2007

Performance evaluation of HMM-based style classification with a small amount of training data.
Proceedings of the INTERSPEECH 2007, 2007

Style estimation of speech based on multiple regression hidden semi-Markov model.
Proceedings of the INTERSPEECH 2007, 2007

Implementation and evaluation of an HMM-based Thai speech synthesis system.
Proceedings of the INTERSPEECH 2007, 2007

Model Adaptation Approach to Speech Synthesis with Diverse Voices and Styles.
Proceedings of the IEEE International Conference on Acoustics, 2007

A Speaker Adaptation Technique for MRHSMM-Based Style Control of Synthetic Speech.
Proceedings of the IEEE International Conference on Acoustics, 2007

2006
Very low bit rate speech coding based on HMM with speaker adaptation.
Syst. Comput. Jpn., 2006

Derivation of dynamic electric and magnetic response properties based on the quasienergy derivative method.
J. Comput. Methods Sci. Eng., 2006

A Style Adaptation Technique for Speech Synthesis Using HSMM and Suprasegmental Features.
IEICE Trans. Inf. Syst., 2006

A technique for controlling voice quality of synthetic speech using multiple regression HSMM.
Proceedings of the INTERSPEECH 2006, 2006

Acoustic model training based on linear transformation and MAP modification for HSMM-based speech synthesis.
Proceedings of the INTERSPEECH 2006, 2006

A style control technique for speech synthesis using multiple regression HSMM.
Proceedings of the INTERSPEECH 2006, 2006

Constrained structural maximum a posteriori linear regression for average-voice-based speech synthesis.
Proceedings of the INTERSPEECH 2006, 2006

HSMM-Based Model Adaptation Algorithms for Average-Voice-Based Speech Synthesis.
Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

2005
Incorporating a mixed excitation model and postfilter into HMM-based text-to-speech synthesis.
Syst. Comput. Jpn., 2005

Acoustic Modeling of Speaking Styles and Emotional Expressions in HMM-Based Speech Synthesis.
IEICE Trans. Inf. Syst., 2005

Speech Synthesis with Various Emotional Expressions and Speaking Styles by Style Interpolation and Morphing.
IEICE Trans. Inf. Syst., 2005

Human Walking Motion Synthesis with Desired Pace and Stride Length Based on HSMM.
IEICE Trans. Inf. Syst., 2005

Performance evaluation of style adaptation for hidden semi-Markov model based speech synthesis.
Proceedings of the INTERSPEECH 2005, 2005

Model adaptation and adaptive training using ESAT algorithm for HMM-based speech synthesis.
Proceedings of the INTERSPEECH 2005, 2005

A wavelet based noise reduction algorithm for speech signal corrupted by coloured noise.
Proceedings of the INTERSPEECH 2005, 2005

Adaptive Training for Hidden Semi-Markov Model.
Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

Voiced/Unvoiced Determination of Speech Signal in Noisy Environment using Harmonicity Measure Based on Instantaneous Frequency.
Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

HumanWalking Motion Synthesis Based on Multiple Regression Hidden Semi-Markov Model.
Proceedings of the 4th International Conference on Cyberworlds (CW 2005), 2005

2004
Galatea: Open-Source Software for Developing Anthropomorphic Spoken Dialog Agents.
Proceedings of the Life-like characters - tools, affective functions, and applications., 2004

Speaker adaptation of pitch and spectrum for HMM-based speech synthesis.
Syst. Comput. Jpn., 2004

Robust <i>F</i><sub>0</sub> Estimation of Speech Signal Using Harmonicity Measure Based on Instantaneous Frequency.
IEICE Trans. Inf. Syst., 2004

Hidden semi-Markov model based speech synthesis.
Proceedings of the INTERSPEECH 2004, 2004

MLLR adaptation for hidden semi-Markov model based speech synthesis.
Proceedings of the INTERSPEECH 2004, 2004

A style control technique for HMM-based speech synthesis.
Proceedings of the INTERSPEECH 2004, 2004

Pattern recognition by distributed coding: test and analysis of the power space similarity method.
Proceedings of the Ninth International Workshop on Frontiers in Handwriting Recognition, 2004

Speaking style adaptation using context clustering decision tree for HMM-based speech synthesis.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Multi-stage spectral subtraction for enhancement of audio signals.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2003
A Training Method of Average Voice Model for HMM-Based Speech Synthesis.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003

Mixture Density Models Based on Mel-Cepstral Representation of Gaussian Process.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003

Modeling of various speaking styles and emotions for HMM-based speech synthesis.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Performance evaluation of IFAS-based fundamental frequency estimator in noisy environment.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

A training method for average voice model based on shared decision tree context clustering and speaker adaptive training.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Improving the performance of HMM-based very low bit rate speech coding.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

IFAS-based voiced/unvoiced classification of speech signal.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

2002
Pitch pattern generation using multispace probability distribution HMM.
Syst. Comput. Jpn., 2002

A context clustering technique for average voice model in HMM-based speech synthesis.
Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Eigenvoices for HMM-based speech synthesis.
Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Fundamental frequency estimation based on instantaneous frequency amplitude spectrum.
Proceedings of the IEEE International Conference on Acoustics, 2002

2001
Very low bit rate speech coding based on HMMs.
Syst. Comput. Jpn., 2001

Mixed excitation for HMM-based speech synthesis.
Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Text-to-speech synthesis with arbitrary speaker's voice from average voice.
Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

A robust speaker verification system against imposture using an HMM-based speech synthesis system.
Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Adaptation of pitch and spectrum for HMM-based speech synthesis using MLLR.
Proceedings of the IEEE International Conference on Acoustics, 2001

Speaker identification using Gaussian mixture models based on multi-space probability distribution.
Proceedings of the IEEE International Conference on Acoustics, 2001

2000
HMM-based text-to-audio-visual speech synthesis.
Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

Imposture using synthetic speech against speaker verification based on spectrum and pitch.
Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

Normalized Training for HMM-Based Visual Speech Recognition.
Proceedings of the 2000 International Conference on Image Processing, 2000

Speech parameter generation algorithms for HMM-based speech synthesis.
Proceedings of the IEEE International Conference on Acoustics, 2000

1999
Simultaneous modeling of spectrum, pitch and duration in HMM-based speech synthesis.
Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

Text-to-audio-visual speech synthesis based on parameter generation from HMM.
Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

On the security of HMM-based speaker verification systems against imposture using synthetic speech.
Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

Hidden Markov models based on multi-space probability distribution for pitch pattern modeling.
Proceedings of the 1999 IEEE International Conference on Acoustics, 1999

1998
Speaker adaptation for HMM-based speech synthesis system using MLLR.
Proceedings of the Third ESCA/COCOSDA Workshop on Speech Synthesis, 1998

Duration modeling for HMM-based speech synthesis.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

A very low bit rate speech coder using HMM with speaker adaptation.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

A 16 kbit/s wideband CELP coder using MEL-generalized cepstral analysis and its subjective evaluation.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

A very low bit rate speech coder using HMM-based speech recognition/synthesis techniques.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

Text-to-visual speech synthesis based on parameter generation from HMM.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

A wideband CELP speech coder at 16 kbit/s based on mel-generalized cepstral analysis.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

Visual Speech Synthesis Based on Parameter Generation From HMM: Speech-Driven and Text-And-Speech-Driven Approaches.
Proceedings of the Auditory-Visual Speech Processing, 1998

1997
Speaker interpolation in HMM-based speech synthesis system.
Proceedings of the Fifth European Conference on Speech Communication and Technology, 1997

HMM compensation for noisy speech recognition based on cepstral parameter generation.
Proceedings of the Fifth European Conference on Speech Communication and Technology, 1997

Voice characteristics conversion for HMM-based speech synthesis system.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

Efficient encoding of mel-generalized cepstrum for CELP coders.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1996
CELP coding system based on mel-generalized cepstral analysis.
Proceedings of the 4th International Conference on Spoken Language Processing, 1996

Robust pitch estimation with harmonics enhancement in noisy environments based on instantaneous frequency.
Proceedings of the 4th International Conference on Spoken Language Processing, 1996

Speech synthesis using HMMs with dynamic features.
Proceedings of the 1996 IEEE International Conference on Acoustics, 1996

1995
Adaptive cepstral analysis of speech.
IEEE Trans. Speech Audio Process., 1995

Harmonics Estimation Based on Instantaneous Frequency and Its Application to Pitch Determination of Speech.
IEICE Trans. Inf. Syst., 1995

An algorithm for speech parameter generation from continuous mixture HMMs with dynamic features.
Proceedings of the Fourth European Conference on Speech Communication and Technology, 1995

Speech parameter generation from HMM using dynamic features.
Proceedings of the 1995 International Conference on Acoustics, 1995

CELP coding based on mel-cepstral analysis.
Proceedings of the 1995 International Conference on Acoustics, 1995

Harmonics tracking and pitch extraction based on instantaneous frequency.
Proceedings of the 1995 International Conference on Acoustics, 1995

1994
Mel-generalized cepstral analysis - a unified approach to speech spectral estimation.
Proceedings of the 3rd International Conference on Spoken Language Processing, 1994

Speech coding based on adaptive MEL-cepstral analysis for noisy channels.
Proceedings of the 3rd International Conference on Spoken Language Processing, 1994

Speech coding based on adaptive mel-cepstral analysis.
Proceedings of ICASSP '94: IEEE International Conference on Acoustics, 1994

1993
Generalized cepstral modeling of speech degraded by additive noise.
Proceedings of the Third European Conference on Speech Communication and Technology, 1993

1992
Design of stable two-dimensional IIR digital filters with arbitrary magnitude function.
Proceedings of the 1992 IEEE International Conference on Acoustics, 1992

An adaptive algorithm for mel-cepstral analysis of speech.
Proceedings of the 1992 IEEE International Conference on Acoustics, 1992

1990
Design of IIR digital filters with arbitrary log magnitude function by WLS techniques.
IEEE Trans. Acoust. Speech Signal Process., 1990

Generalized cepstral analysis of speech - unified approach to LPC and cepstral method.
Proceedings of the First International Conference on Spoken Language Processing, 1990

Adaptive filtering based on cepstral representation-adaptive cepstral analysis of speech.
Proceedings of the 1990 International Conference on Acoustics, 1990

Complex Chebyshev approximation for IIR digital filters using an iterative WLS technique.
Proceedings of the 1990 International Conference on Acoustics, 1990

1988
Design of ARMA digital filters with arbitrary log magnitude function by WLS techniques.
Proceedings of the IEEE International Conference on Acoustics, 1988

1983
Characteristics pf pitch period and amplitude perturbations in pathologic voice.
Proceedings of the IEEE International Conference on Acoustics, 1983

1982
A hardware implementation of a new narrow to medium band speech coding.
Proceedings of the IEEE International Conference on Acoustics, 1982


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