Yamato Ohtani

According to our database, Yamato Ohtani authored at least 28 papers between 2006 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

WaveNeXt: ConvNeXt-Based Fast Neural Vocoder Without ISTFT layer.

Takuma Okamoto, Haruki Yamashita, Yamato Ohtani, Tomoki Toda, Hisashi Kawai

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2023

2022

A Cyclical Approach to Synthetic and Natural Speech Mismatch Refinement of Neural Post-filter for Low-cost Text-to-speech System.

Yi-Chiao Wu, Patrick Lumban Tobing, Kazuki Yasuhara, Noriyuki Matsunaga, Yamato Ohtani, Tomoki Toda

CoRR, 2022

Spoken-Text-Style Transfer with Conditional Variational Autoencoder and Content Word Storage.

Daiki Yoshioka, Yusuke Yasuda, Noriyuki Matsunaga, Yamato Ohtani, Tomoki Toda

Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

2020

Loss Function Considering Multiple Attributes of a Temporal Sequence for Feed-Forward Neural Networks.

Noriyuki Matsunaga, Yamato Ohtani, Tatsuya Hirahara

IEICE Trans. Inf. Syst., 2020

A Cyclical Post-Filtering Approach to Mismatch Refinement of Neural Vocoder for Text-to-Speech Systems.

Yi-Chiao Wu, Patrick Lumban Tobing, Kazuki Yasuhara, Noriyuki Matsunaga, Yamato Ohtani, Tomoki Toda

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

2016

Statistical Bandwidth Extension for Speech Synthesis Based on Gaussian Mixture Model with Sub-Band Basis Spectrum Model.

Yamato Ohtani, Masatsune Tamura, Masahiro Morita, Masami Akamine

IEICE Trans. Inf. Syst., 2016

Voice Quality Control Using Perceptual Expressions for Statistical Parametric Speech Synthesis Based on Cluster Adaptive Training.

Yamato Ohtani, Koichiro Mori, Masahiro Morita

Proceedings of the 17th Annual Conference of the International Speech Communication Association, 2016

2015

Emotional transplant in statistical speech synthesis based on emotion additive model.

Yamato Ohtani, Yu Nasu, Masahiro Morita, Masami Akamine

Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015

2014

GMM-based bandwidth extension using sub-band basis spectrum model.

Yamato Ohtani, Masatsune Tamura, Masahiro Morita, Masami Akamine

Proceedings of the 15th Annual Conference of the International Speech Communication Association, 2014

2012

HMM-based speech synthesis using sub-band basis spectrum model.

Yamato Ohtani, Masatsune Tamura, Masahiro Morita, Takehiko Kagoshima, Masami Akamine

Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012

Histogram-based spectral equalization for HMM-based speech synthesis using mel-LSP.

Yamato Ohtani, Masatsune Tamura, Masahiro Morita, Takehiko Kagoshima, Masami Akamine

Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012

2011

Continuous F0 in the source-excitation generation for HMM-based TTS: Do we need voiced/unvoiced classification?

Javier Latorre, Mark J. F. Gales, Sabine Buchholz, Kate Knill, Masatsune Tamura, Yamato Ohtani, Masami Akamine

Proceedings of the IEEE International Conference on Acoustics, 2011

2010

Improvements of the One-to-Many Eigenvoice Conversion System.

Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

IEICE Trans. Inf. Syst., 2010

Adaptive Training for Voice Conversion Based on Eigenvoices.

Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

IEICE Trans. Inf. Syst., 2010

Linear transformation approaches to many-to-one voice conversion.

Chie Hayashida, Tomoki Toda, Yamato Ohtani, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the Seventh ISCA Tutorial and Research Workshop on Speech Synthesis, 2010

Adaptive voice-quality control based on one-to-many eigenvoice conversion.

Kumi Ohta, Tomoki Toda, Yamato Ohtani, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010

Non-parallel training for many-to-many eigenvoice conversion.

Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the IEEE International Conference on Acoustics, 2010

2009

Many-to-many eigenvoice conversion with reference voice.

Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009

Cross-language voice conversion based on eigenvoices.

Malorie Charlier, Yamato Ohtani, Tomoki Toda, Alexis Moinet, Thierry Dutoit

Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009

2008

Maximum a posteriori adaptation for many-to-one eigenvoice conversion.

Daisuke Tani, Tomoki Toda, Yamato Ohtani, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

An improved one-to-many eigenvoice conversion system.

Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

Low-delay voice conversion based on maximum likelihood estimation of spectral parameter trajectory.

Takashi Muramatsu, Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

2007

An evaluation of many-to-one voice conversion algorithms with pre-stored speaker data sets.

Daisuke Tani, Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the Sixth ISCA Workshop on Speech Synthesis, 2007

Regression approaches to voice quality controll based on one-to-many eigenvoice conversion.

Kumi Ohta, Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the Sixth ISCA Workshop on Speech Synthesis, 2007

Speaker adaptive training for one-to-many eigenvoice conversion based on Gaussian mixture model.

Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

One-to-Many and Many-to-One Voice Conversion Based on Eigenvoices.

Tomoki Toda, Yamato Ohtani, Kiyohiro Shikano

Proceedings of the IEEE International Conference on Acoustics, 2007

2006

Eigenvoice conversion based on Gaussian mixture model.

Tomoki Toda, Yamato Ohtani, Kiyohiro Shikano

Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

Maximum likelihood voice conversion based on GMM with STRAIGHT mixed excitation.

Yamato Ohtani, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the Ninth International Conference on Spoken Language Processing, 2006