Kazuhiro Kobayashi

Publication Activity (10 Years)

Years Active: 1993-2024
Publications (10 Years): 62

Top Topics

Gaussian Mixture Model

Speech Enhancement

Fundamental Frequency

Top Venues

Publications

Lester Phillip Violeta, Wen-Chin Huang, Ding Ma, Ryuichi Yamamoto, Kazuhiro Kobayashi, Tomoki Toda
Electrolaryngeal Speech Intelligibility Enhancement through Robust Linguistic Encoders. ICASSP (2024)
Lester Phillip Violeta, Wen-Chin Huang, Ding Ma, Ryuichi Yamamoto, Kazuhiro Kobayashi, Tomoki Toda
Electrolaryngeal Speech Intelligibility Enhancement Through Robust Linguistic Encoders. CoRR (2023)
Kazuhiro Kobayashi, Tomoki Hayashi, Tomoki Toda
Low-Latency Electrolaryngeal Speech Enhancement Based on Fastspeech2-Based Voice Conversion and Self-Supervised Speech Representation. ICASSP (2023)
Wen-Chin Huang, Kazuhiro Kobayashi, Tomoki Toda
AAS-VC: On the Generalization Ability of Automatic Alignment Search based Non-autoregressive Sequence-to-sequence Voice Conversion. CoRR (2023)
Ding Ma, Lester Phillip Violeta, Kazuhiro Kobayashi, Tomoki Toda
Two-Stage Training Method for Japanese Electrolaryngeal Speech Enhancement Based on Sequence-to-Sequence Voice Conversion. SLT (2022)
Ding Ma, Lester Phillip Violeta, Kazuhiro Kobayashi, Tomoki Toda
Two-stage training method for Japanese electrolaryngeal speech enhancement based on sequence-to-sequence voice conversion. CoRR (2022)
Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
An Investigation of Streaming Non-Autoregressive sequence-to-sequence Voice Conversion. ICASSP (2022)
Wen-Chin Huang, Kazuhiro Kobayashi, Yu-Huai Peng, Ching-Feng Liu, Yu Tsao, Hsin-Min Wang, Tomoki Toda
A Preliminary Study of a Two-Stage Paradigm for Preserving Speaker Identity in Dysarthric Voice Conversion. Interspeech (2021)
Tomoki Hayashi, Wen-Chin Huang, Kazuhiro Kobayashi, Tomoki Toda
Non-autoregressive sequence-to-sequence voice conversion. CoRR (2021)
Tomoki Hayashi, Wen-Chin Huang, Kazuhiro Kobayashi, Tomoki Toda
Non-Autoregressive Sequence-To-Sequence Voice Conversion. ICASSP (2021)
Wen-Chin Huang, Kazuhiro Kobayashi, Yu-Huai Peng, Ching-Feng Liu, Yu Tsao, Hsin-Min Wang, Tomoki Toda
A Preliminary Study of a Two-Stage Paradigm for Preserving Speaker Identity in Dysarthric Voice Conversion. CoRR (2021)
Tatsuo Oyama, Nicholas G. Hall, Kazuhiro Kobayashi
A generalized parametric divisor method for political apportionment. Int. Trans. Oper. Res. 28 (1) (2021)
Zhaopeng Qian, Haijun Niu, Li Wang, Kazuhiro Kobayashi, Shaochuan Zhang, Tomoki Toda
Mandarin Electro-Laryngeal Speech Enhancement based on Statistical Voice Conversion and Manual Tone Control. APSIPA ASC (2021)
Kazuhiro Kobayashi, Wen-Chin Huang, Yi-Chiao Wu, Patrick Lumban Tobing, Tomoki Hayashi, Tomoki Toda
crank: An Open-Source Software for Nonparallel Voice Conversion Based on Vector-Quantized Variational Autoencoder. CoRR (2021)
Kazuhiro Kobayashi, Wen-Chin Huang, Yi-Chiao Wu, Patrick Lumban Tobing, Tomoki Hayashi, Tomoki Toda
Crank: An Open-Source Software for Nonparallel Voice Conversion Based on Vector-Quantized Variational Autoencoder. ICASSP (2021)
Ming-Chi Yen, Wen-Chin Huang, Kazuhiro Kobayashi, Yu-Huai Peng, Shu-Wei Tsai, Yu Tsao, Tomoki Toda, Jyh-Shing Roger Jang, Hsin-Min Wang
Mandarin Electrolaryngeal Speech Voice Conversion with Sequence-to-Sequence Modeling. ASRU (2021)
Yi-Chiao Wu, Tomoki Hayashi, Patrick Lumban Tobing, Kazuhiro Kobayashi, Tomoki Toda
Quasi-Periodic WaveNet: An Autoregressive Raw Waveform Generative Model With Pitch-Dependent Dilated Convolution Neural Network. IEEE ACM Trans. Audio Speech Lang. Process. 29 (2021)
Yi-Chiao Wu, Tomoki Hayashi, Patrick Lumban Tobing, Kazuhiro Kobayashi, Tomoki Toda
Quasi-Periodic WaveNet: An Autoregressive Raw Waveform Generative Model with Pitch-dependent Dilated Convolution Neural Network. CoRR (2020)
Kazuhiro Kobayashi, Tomoki Toda
Implementation of low-latency electrolaryngeal speech enhancement based on multi-task CLDNN. EUSIPCO (2020)
Patrick Lumban Tobing, Tomoki Hayashi, Yi-Chiao Wu, Kazuhiro Kobayashi, Tomoki Toda
Cyclic Spectral Modeling for Unsupervised Unit Discovery into Voice Conversion with Excitation and Waveform Modeling. INTERSPEECH (2020)
Wen-Chin Huang, Patrick Lumban Tobing, Yi-Chiao Wu, Kazuhiro Kobayashi, Tomoki Toda
The NU Voice Conversion System for the Voice Conversion Challenge 2020: On the Effectiveness of Sequence-to-sequence Models and Autoregressive Neural Vocoders. CoRR (2020)
Patrick Lumban Tobing, Yi-Chiao Wu, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
Efficient Shallow Wavenet Vocoder Using Multiple Samples Output Based on Laplacian Distribution and Linear Prediction. ICASSP (2020)
Mohammad Eshghi, Kazuhiro Kobayashi, Kou Tanaka, Hirokazu Kameoka, Tomoki Toda
Phoneme Embeddings on Predicting Fundamental Frequency Pattern for Electrolaryngeal Speech. APSIPA (2020)
Yi-Chiao Wu, Patrick Lumban Tobing, Kazuhiro Kobayashi, Tomoki Hayashi, Tomoki Toda
Non-parallel Voice Conversion System with WaveNet Vocoder and Collapsed Speech Suppression. CoRR (2020)
Yi-Chiao Wu, Patrick Lumban Tobing, Kazuhiro Kobayashi, Tomoki Hayashi, Tomoki Toda
Non-Parallel Voice Conversion System With WaveNet Vocoder and Collapsed Speech Suppression. IEEE Access 8 (2020)
Shu Hikosaka, Shogo Seki, Tomoki Hayashi, Kazuhiro Kobayashi, Kazuya Takeda, Hideki Banno, Tomoki Toda
Intelligibility Enhancement Based on Speech Waveform Modification Using Hearing Impairment. INTERSPEECH (2020)
Yi-Chiao Wu, Patrick Lumban Tobing, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
Statistical Voice Conversion with Quasi-periodic WaveNet Vocoder. SSW (2019)
Mirai Tanaka, Kazuhiro Kobayashi
A route generation algorithm for an optimal fuel routing problem between two single ports. Int. Trans. Oper. Res. 26 (2) (2019)
Patrick Lumban Tobing, Yi-Chiao Wu, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
Voice Conversion With CycleRNN-Based Spectral Mapping and Finely Tuned WaveNet Vocoder. IEEE Access 7 (2019)
Yi-Chiao Wu, Tomoki Hayashi, Patrick Lumban Tobing, Kazuhiro Kobayashi, Tomoki Toda
Quasi-Periodic WaveNet Vocoder: A Pitch Dependent Dilated Convolution Model for Parametric Speech Generation. INTERSPEECH (2019)
Wen-Chin Huang, Yi-Chiao Wu, Kazuhiro Kobayashi, Yu-Huai Peng, Hsin-Te Hwang, Patrick Lumban Tobing, Yu Tsao, Hsin-Min Wang, Tomoki Toda
Generalization of Spectrum Differential based Direct Waveform Modification for Voice Conversion. SSW (2019)
Yi-Chiao Wu, Patrick Lumban Tobing, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
Statistical Voice Conversion with Quasi-Periodic WaveNet Vocoder. CoRR (2019)
Wen-Chin Huang, Yi-Chiao Wu, Chen-Chou Lo, Patrick Lumban Tobing, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda, Yu Tsao, Hsin-Min Wang
Investigation of F0 Conditioning and Fully Convolutional Networks in Variational Autoencoder Based Voice Conversion. INTERSPEECH (2019)
Mohammad Eshghi, Kou Tanaka, Kazuhiro Kobayashi, Hirokazu Kameoka, Tomoki Toda
An Investigation of Features for Fundamental Frequency Pattern Prediction in Electrolaryngeal Speech Enhancement. SSW (2019)
Patrick Lumban Tobing, Yi-Chiao Wu, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
Voice Conversion with Cyclic Recurrent Neural Network and Fine-tuned Wavenet Vocoder. ICASSP (2019)
Yusuke Kurita, Kazuhiro Kobayashi, Kazuya Takeda, Tomoki Toda
Robustness of Statistical Voice Conversion Based on Direct Waveform Modification Against Background Sounds. INTERSPEECH (2019)
Patrick Lumban Tobing, Yi-Chiao Wu, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
Non-Parallel Voice Conversion with Cyclic Variational Autoencoder. CoRR (2019)
Wen-Chin Huang, Yi-Chiao Wu, Chen-Chou Lo, Patrick Lumban Tobing, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda, Yu Tsao, Hsin-Min Wang
Investigation of F0 conditioning and Fully Convolutional Networks in Variational Autoencoder based Voice Conversion. CoRR (2019)
Wen-Chin Huang, Yi-Chiao Wu, Hsin-Te Hwang, Patrick Lumban Tobing, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda, Yu Tsao, Hsin-Min Wang
Refined WaveNet Vocoder for Variational Autoencoder Based Voice Conversion. EUSIPCO (2019)
Farzaneh Ahmadi, Kazuhiro Kobayashi, Tomoki Toda
Development of a Real-time Bionic Voice Generation System based on Statistical Excitation Prediction. ASSETS (2019)
Li Li, Tomoki Toda, Kazuho Morikawa, Kazuhiro Kobayashi, Shoji Makino
Improving Singing Aid System for Laryngectomees With Statistical Voice Conversion and VAE-SPACE. ISMIR (2019)
Yi-Chiao Wu, Tomoki Hayashi, Patrick Lumban Tobing, Kazuhiro Kobayashi, Tomoki Toda
Quasi-Periodic WaveNet Vocoder: A Pitch Dependent Dilated Convolution Model for Parametric Speech Generation. CoRR (2019)
Patrick Lumban Tobing, Yi-Chiao Wu, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
Non-Parallel Voice Conversion with Cyclic Variational Autoencoder. INTERSPEECH (2019)
Kazuhiro Kobayashi, Tomoki Toda, Satoshi Nakamura
Intra-gender statistical singing voice conversion with direct waveform modification using log-spectral differential. Speech Commun. 99 (2018)
Yi-Chiao Wu, Patrick Lumban Tobing, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
The NU Non-Parallel Voice Conversion System for the Voice Conversion Challenge 2018. Odyssey (2018)
Patrick Lumban Tobing, Tomoki Hayashi, Yi-Chiao Wu, Kazuhiro Kobayashi, Tomoki Toda
An Evaluation of Deep Spectral Mappings and WaveNet Vocoder for Voice Conversion. SLT (2018)
Yi-Chiao Wu, Kazuhiro Kobayashi, Tomoki Hayashi, Patrick Lumban Tobing, Tomoki Toda
Collapsed speech segment detection and suppression for WaveNet vocoder. CoRR (2018)
Kazuhiro Kobayashi, Tomoki Toda
sprocket: Open-Source Voice Conversion Software. Odyssey (2018)
Yi-Chiao Wu, Kazuhiro Kobayashi, Tomoki Hayashi, Patrick Lumban Tobing, Tomoki Toda
Collapsed Speech Segment Detection and Suppression for WaveNet Vocoder. INTERSPEECH (2018)
Kazuhiro Kobayashi, Tomoki Toda
Electrolaryngeal Speech Enhancement with Statistical Voice Conversion based on CLDNN. EUSIPCO (2018)
Wen-Chin Huang, Yi-Chiao Wu, Hsin-Te Hwang, Patrick Lumban Tobing, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda, Yu Tsao, Hsin-Min Wang
Refined WaveNet Vocoder for Variational Autoencoder Based Voice Conversion. CoRR (2018)
Patrick Lumban Tobing, Yi-Chiao Wu, Tomoki Hayashi, Kazuhiro Kobayashi, Tomoki Toda
NU Voice Conversion System for the Voice Conversion Challenge 2018. Odyssey (2018)
Kazutaka Kubo, Kazuhiro Kobayashi, Tomoki Toda, Graham Neubig, Sakriani Sakti, Satoshi Nakamura
An investigation of how to design control parameters for statistical voice timbre control. APSIPA (2017)
Tomoki Hayashi, Akira Tamamori, Kazuhiro Kobayashi, Kazuya Takeda, Tomoki Toda
An investigation of multi-speaker training for wavenet vocoder. ASRU (2017)
Patrick Lumban Tobing, Kazuhiro Kobayashi, Tomoki Toda
Articulatory Controllable Speech Modification Based on Statistical Inversion and Production Mappings. IEEE ACM Trans. Audio Speech Lang. Process. 25 (12) (2017)
Kazuhiro Kobayashi, Tomoki Hayashi, Akira Tamamori, Tomoki Toda
Statistical Voice Conversion with WaveNet-Based Waveform Generation. INTERSPEECH (2017)
Akira Tamamori, Tomoki Hayashi, Kazuhiro Kobayashi, Kazuya Takeda, Tomoki Toda
Speaker-Dependent WaveNet Vocoder. INTERSPEECH (2017)
Kazuhiro Kobayashi, Shinnosuke Takamichi, Satoshi Nakamura, Tomoki Toda
The NU-NAIST Voice Conversion System for the Voice Conversion Challenge 2016. INTERSPEECH (2016)
Kazuhiro Kobayashi, Tomoki Toda, Satoshi Nakamura
Implementation of F0 transformation for statistical singing voice conversion based on direct waveform modification. ICASSP (2016)
Kazuhiro Kobayashi, Tomoki Toda, Satoshi Nakamura
F0 transformation techniques for statistical voice conversion with direct waveform modification with spectral differential. SLT (2016)
Kazuhiro Kobayashi, Tomoki Toda, Tomoyasu Nakano, Masataka Goto, Satoshi Nakamura
Improvements of Voice Timbre Control Based on Perceived Age in Singing Voice Conversion. IEICE Trans. Inf. Syst. (11) (2016)
Soichi Yamane, Kazuhiro Kobayashi, Tomoki Toda, Tomoyasu Nakano, Masataka Goto, Satoshi Nakamura
An estimation method of voice timbre evaluation values using feature extraction with Gaussian mixture model based on reference singer. ICASSP (2016)
Patrick Lumban Tobing, Kazuhiro Kobayashi, Tomoki Toda, Graham Neubig, Sakriani Sakti, Satoshi Nakamura
Articulatory controllable speech modification based on Gaussian mixture models with direct waveform modification using spectrum differential. INTERSPEECH (2015)
Shinya Ohkawa, Yoshihiro Takita, Hisashi Date, Kazuhiro Kobayashi
Development of Autonomous Mobile Robot Using Articulated Steering Vehicle and Lateral Guiding Method. J. Robotics Mechatronics 27 (4) (2015)
Kazuhiro Kobayashi, Tomoki Toda, Graham Neubig, Sakriani Sakti, Satoshi Nakamura
Statistical singing voice conversion based on direct waveform modification with global variance. INTERSPEECH (2015)
Kazuhiro Kobayashi, Tomoki Toda, Hironori Doi, Tomoyasu Nakano, Masataka Goto, Graham Neubig, Sakriani Sakti, Satoshi Nakamura
Voice Timbre Control Based on Perceived Age in Singing Voice Conversion. IEICE Trans. Inf. Syst. (6) (2014)
Kazuhiro Kobayashi, Tomoki Toda, Tomoyasu Nakano, Masataka Goto, Graham Neubig, Sakriani Sakti, Satoshi Nakamura
Regression approaches to perceptual age control in singing voice conversion. ICASSP (2014)
Kazuhiro Kobayashi, Tomoki Toda, Graham Neubig, Sakriani Sakti, Satoshi Nakamura
Statistical singing voice conversion with direct waveform modification based on the spectrum differential. INTERSPEECH (2014)
Kazuhiro Kobayashi, Tomoki Toda, Tomoyasu Nakano, Masataka Goto, Graham Neubig, Sakriani Sakti, Satoshi Nakamura
Gender-dependent spectrum differential models for perceived age control based on direct waveform modification in singing voice conversion. APSIPA (2014)
Kazuhiro Kobayashi, Hironori Doi, Tomoki Toda, Tomoyasu Nakano, Masataka Goto, Graham Neubig, Sakriani Sakti, Satoshi Nakamura
An investigation of acoustic features for singing voice conversion based on perceptual age. INTERSPEECH (2013)
Kazuhiro Kobayashi
A Linear Approximation of the Value Function of an Approximate Dynamic Programming Approach for the Ship Scheduling Problem. LION (2010)
Kazuhiro Kobayashi, Hozumi Morohosi, Tatsuo Oyama
Applying path-counting methods for measuring the robustness of the network-structured system. Int. Trans. Oper. Res. 16 (3) (2009)
Kazuhiro Kobayashi, Kazuhide Nakata, Masakazu Kojima
A conversion of an SDP having free variables into the standard form SDP. Comput. Optim. Appl. 36 (2-3) (2007)
Takano Ogino, Hitoshi Isahara, Kazuhiro Kobayashi
The Valence Patterns of Japanese Verbs Extracted From The EDR Corpus. LREC (2002)
Amin Suyitno, Jun Fujikawa, Kazuhiro Kobayashi, Yasuhiko Dote
Variable-structured robust controller by fuzzy logic for servomotors. IEEE Trans. Ind. Electron. 40 (1) (1993)