People
山本 龍一 Ryuichi Yamamoto 研究員
音声処理の開発者および研究者。2013年に名古屋工業大学大学院博士前期課程修了。チームラボ株式会社を経て、2018年2月にLINE株式会社（現、LINEヤフー株式会社）に入社（現職）。2018年9月から2019年7月までNAVER Corp. Clova Voiceチームにて音声研究を行う。音声合成の研究開発に従事。WaveNetやTacotronに代表される音声合成に関するオープンソースソフトウェアを多数公開。著書「Pythonで学ぶ音声合成 機械学習実践シリーズ」インプレス出版
Awards
Publications
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- カンファレンス (国際)
- BitTTS: Highly Compact Text-to-Speech Using 1.58-bit Quantization and Weight Indexing
- Masaya Kawamura, Takuya Hasumi, Yuma Shirahata, Ryuichi Yamamoto
- The 26th Annual Conference of the International Speech Communication Association
- 2025.8.21
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- カンファレンス (国際)
- Comparative Analysis of Fast and High-Fidelity Neural Vocoders for Low-Latency Streaming Synthesis in Resource-Constrained Environments
- Reo Yoneyama (Nagoya University), Masaya Kawamura, Ryo Terashima, Ryuichi Yamamoto (Nagoya University/LY Corporation), Tomoki Toda (Nagoya University)
- The 26th Annual Conference of the International Speech Communication Association
- 2025.8.21
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- カンファレンス (国際)
- Grapheme-Coherent Phonemic and Prosodic Annotation of Speech by Implicit and Explicit Grapheme Conditioning
- Hien Ohnaka (Nara Institute of Science and Technology), Yuma Shirahata, Byeongseon Park, Ryuichi Yamamoto
- The 26th Annual Conference of the International Speech Communication Association
- 2025.8.17
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- カンファレンス (国内)
- Wavehax：調波信号モデルと２次元畳み込みを用いた複素スペクトログラム推定に基づくエイリアシングフリーニューラルボコーダ
- 米山 怜於 (名大), 宮下 敦志 (名大), 山本 龍一, 戸田 智基 (名大)
- 日本音響学会 2025年春季研究発表会
- 2025.3.17
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- その他 (国際)
- Description-based Controllable Text-to-Speech with Cross-Lingual Voice Control
- Ryuichi Yamamoto, Yuma Shirahata, Masaya Kawamura, Kentaro Tachibana
- arXiv.org
- 2024.9.27
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- カンファレンス (国際)
- Audio-conditioned phonemic and prosodic annotation for building text-to-speech models from unlabeled speech data
- Yuma Shirahata, Byeongseon Park, Ryuichi Yamamoto, Kentaro Tachibana
- The 25th Annual Conference of the International Speech Communication Association
- 2024.9.4
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- カンファレンス (国内)
- 感情音声合成のためのアラインメント手法の比較
- 蓮実 拓也, 白旗 悠真, Welly Naptali, 山本 龍一, Eunwoo Song (NAVER Cloud), 橘 健太郎, Jae-Min Kim (NAVER Cloud)
- 日本音響学会 2024年秋季研究発表会
- 2024.9.4
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- カンファレンス (国際)
- LibriTTS-P: A Corpus with Speaking Style and Speaker Identity Prompts for Text-to-Speech and Style Captioning
- Masaya Kawamura, Ryuichi Yamamoto, Yuma Shirahata, Takuya Hasumi, Kentaro Tachibana
- The 25th Annual Conference of the International Speech Communication Association
- 2024.9.3
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- カンファレンス (国際)
- Noise-Robust Voice Conversion by Conditional Denoising Training Using Latent Variables of Recording Quality and Environment
- Takuto Igarashi (The University of Tokyo), Yuki Saito (The University of Tokyo), Kentaro Seki (The University of Tokyo), Shinnosuke Takamichi (The University of Tokyo), Ryuichi Yamamoto, Kentaro Tachibana, Hiroshi Saruwatari (The University of Tokyo)
- The 25th Annual Conference of the International Speech Communication Association
- 2024.9.1
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- カンファレンス (国際)
- SRC4VC: Smartphone-Recorded Corpus for Voice Conversion Benchmark
- Yuki Saito (The University of Tokyo), Takuto Igarashi (The University of Tokyo), Kentaro Seki (The University of Tokyo), Shinnosuke Takamichi (The University of Tokyo), Ryuichi Yamamoto, Kentaro Tachibana, Hiroshi Saruwatari (The University of Tokyo)
- The 25th Annual Conference of the International Speech Communication Association
- 2024.9.1