Research Overview

National Institute of Informatics, Yamagishi Lab

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2025.09.21
- Papers
MIDI-VALLE: Improving Expressive Piano Performance Synthesis Through Neural Codec Language Modelling

Author：Jingjing Tang, Xin Wang, Zhe Zhang, Junichi Yamagishi, Geraint Wiggins, George Fazekas
- #Music processing
- #Instrument sounds
2025.09.10
- Technical Reports
[Domestic Conference] Expert-independent accent annotation method using accent-controlled speech synthesis and subjective comparative evaluation optimization

Author: Yusuke Yasuda, Keisuke Imoto, Satoru Miyama, Tomoki Toda
- #Audio processing
- #Speech synthesis
- #Quality Evaluation
2025.09.08
- Papers
LENS-DF: Deepfake Detection and Temporal Localization for Long-Form Noisy Speech

Author：Xuechen Liu, Wanying Ge, Xin Wang, Junichi Yamagishi
- #Audio processing
- #DeepfakeDetection
2025.09.08
- Papers
SecureSpeech: Prompt-based Speaker and Content Protection

Author：Belinda Soh Hui Hui, Xiaoxiao Miao, Xin Wang
- #Audio processing
- #privacy
2025.08.24
- Papers
Continual Subjective Evaluation Method of Speech by Merging Sort-based Preference Tests Towards Ever-Expanding Corpus of Human Ratings

Author：Yusuke Yasuda, Junichi Yamagishi, Tomoki Toda
- #Audio processing
- #Quality Evaluation
- #Speech synthesis
2025.08.24
- Papers
Hot topics in speech synthesis evaluation

Author: Gérard Bailly, Elisabeth André, Erica Cooper, Esther Klabbers, Benjamin Cowan, Jens Edlund, Naomi Harte, Simon King, Sébastien Le Maguer, Roger K. Moore, Bernd Möbius, Sebastian Möller, Ayushi Pandey, Olivier Perrotin, Fritz Seebauer, Sofia Strömbergsson, David R. Traum, Christina Tånnander, Petra Wagner, Junichi Yamagishi, Yusuke Yasuda
- #Audio processing
- #Quality Evaluation
- #Speech synthesis
2025.08.17
- Papers
Mitigating Language Mismatch in SSL-Based Speaker Anonymization

Author: Zhe Zhang, Wen-Chin Huang, Xin Wang, Xiaoxiao Miao, Junichi Yamagishi
- #Audio processing
- #privacy
2025.08.17
- Papers
A Comparative Study on Proactive and Passive Detection of Deepfake Speech

Author: Chia-Hua Wu, Wanying Ge, Xin Wang, Junichi Yamagishi, Yu Tsao, Hsin-Ming Wang
- #Audio processing
- #watermark
- #DeepfakeDetection
2025.08.17
- Papers
From Sharpness to Better Generalization for Speech Deepfake Detection

Author: Wen Huang, Xuechen Liu, Xin Wang, Junichi Yamagishi, Yanmin Qian
- #Audio processing
- #DeepfakeDetection
2025.08.17
- Papers
AfriHuBERT: A self-supervised speech representation model for African languages

Author：Jesujoba O. Alabi, Xuechen Liu, Dietrich Klakow, Junichi Yamagishi
- #Audio processing
- #Low-resource languages