Kohei Saijo

According to our database, Kohei Saijo authored at least 29 papers between 2021 and 2026.

Collaborative distances:

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

2026

UrgentMOS: Unified Multi-Metric and Preference Learning for Robust Speech Quality Assessment.

Wei Wang, Wangyou Zhang, Chenda Li, Jiahe Wang, Samuele Cornell, Marvin Sach, Kohei Saijo, Yihui Fu, Zhaoheng Ni, Bing Han, Xun Gong, Mengxiao Bi, Tim Fingscheidt, Shinji Watanabe, Yanmin Qian

CoRR, January, 2026

ICASSP 2026 URGENT Speech Enhancement Challenge.

Chenda Li, Wei Wang, Marvin Sach, Wangyou Zhang, Kohei Saijo, Samuele Cornell, Yihui Fu, Zhaoheng Ni, Tim Fingscheidt, Shinji Watanabe, Yanmin Qian

CoRR, January, 2026

2025

FlexIO: Flexible Single- and Multi-Channel Speech Separation and Enhancement.

Yoshiki Masuyama, Kohei Saijo, Francesco Paissan, Jiangyu Han, Marc Delcroix, Ryo Aihara, François G. Germain, Gordon Wichern, Jonathan Le Roux

CoRR, October, 2025

Is MixIT Really Unsuitable for Correlated Sources? Exploring MixIT for Unsupervised Pre-training in Music Source Separation.

Kohei Saijo, Yoshiaki Bando

Proceedings of the IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2025

FasTUSS: Faster Task-Aware Unified Source Separation.

Francesco Paissan, Gordon Wichern, Yoshiki Masuyama, Ryo Aihara, François G. Germain, Kohei Saijo, Jonathan Le Roux

Proceedings of the IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2025

Lessons Learned from the URGENT 2024 Speech Enhancement Challenge.

Wangyou Zhang, Kohei Saijo, Samuele Cornell, Robin Scheibler, Chenda Li, Zhaoheng Ni, Anurag Kumar, Marvin Sach, Wei Wang, Yihui Fu, Shinji Watanabe, Tim Fingscheidt, Yanmin Qian

Proceedings of the 26th Annual Conference of the International Speech Communication Association, 2025

Interspeech 2025 URGENT Speech Enhancement Challenge.

Kohei Saijo, Wangyou Zhang, Samuele Cornell, Robin Scheibler, Chenda Li, Zhaoheng Ni, Anurag Kumar, Marvin Sach, Yihui Fu, Wei Wang, Tim Fingscheidt, Shinji Watanabe

Proceedings of the 26th Annual Conference of the International Speech Communication Association, 2025

Task-Aware Unified Source Separation.

Kohei Saijo, Janek Ebbers, François G. Germain, Gordon Wichern, Jonathan Le Roux

Proceedings of the 2025 IEEE International Conference on Acoustics, 2025

Leveraging Audio-Only Data for Text-Queried Target Sound Extraction.

Kohei Saijo, Janek Ebbers, François G. Germain, Sameer Khurana, Gordon Wichern, Jonathan Le Roux

Proceedings of the 2025 IEEE International Conference on Acoustics, 2025

A Comparative Study on Positional Encoding for Time-Frequency Domain Dual-Path Transformer-Based Source Separation Models.

Kohei Saijo, Tetsuji Ogawa

Proceedings of the 33rd European Signal Processing Conference, 2025

URGENT-PK: Perceptually-Aligned Ranking Model Designed for Speech Enhancement Competition.

Jiahe Wang, Chenda Li, Wei Wang, Wangyou Zhang, Samuele Cornell, Marvin Sach, Robin Scheibler, Kohei Saijo, Yihui Fu, Zhaoheng Ni, Anurag Kumar, Tim Fingscheidt, Shinji Watanabe, Yanmin Qian

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2025

Less is More: Data Curation Matters in Scaling Speech Enhancement.

Chenda Li, Wangyou Zhang, Wei Wang, Robin Scheibler, Kohei Saijo, Samuele Cornell, Yihui Fu, Marvin Sach, Zhaoheng Ni, Anurag Kumar, Tim Fingscheidt, Shinji Watanabe, Yanmin Qian

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2025

2024

URGENT Challenge: Universality, Robustness, and Generalizability For Speech Enhancement.

Wangyou Zhang, Robin Scheibler, Kohei Saijo, Samuele Cornell, Chenda Li, Zhaoheng Ni, Anurag Kumar, Jan Pirklbauer, Marvin Sach, Shinji Watanabe, Tim Fingscheidt, Yanmin Qian

CoRR, 2024

TF-Locoformer: Transformer with Local Modeling by Convolution for Speech Separation and Enhancement.

Kohei Saijo, Gordon Wichern, François G. Germain, Zexu Pan, Jonathan Le Roux

Proceedings of the 18th International Workshop on Acoustic Signal Enhancement, 2024

URGENT Challenge: Universality, Robustness, and Generalizability For Speech Enhancement.

Wangyou Zhang, Robin Scheibler, Kohei Saijo, Samuele Cornell, Chenda Li, Zhaoheng Ni, Jan Pirklbauer, Marvin Sach, Shinji Watanabe, Tim Fingscheidt, Yanmin Qian

Proceedings of the 25th Annual Conference of the International Speech Communication Association, 2024

Beyond Performance Plateaus: A Comprehensive Study on Scalability in Speech Enhancement.

Wangyou Zhang, Kohei Saijo, Jee-weon Jung, Chenda Li, Shinji Watanabe, Yanmin Qian

Proceedings of the 25th Annual Conference of the International Speech Communication Association, 2024

Enhanced Reverberation as Supervision for Unsupervised Speech Separation.

Kohei Saijo, Gordon Wichern, François G. Germain, Zexu Pan, Jonathan Le Roux

Proceedings of the 25th Annual Conference of the International Speech Communication Association, 2024

PARIS: Pseudo-AutoRegressIve Siamese Training for Online Speech Separation.

Zexu Pan, Gordon Wichern, François G. Germain, Kohei Saijo, Jonathan Le Roux

Proceedings of the 25th Annual Conference of the International Speech Communication Association, 2024

Exploring Speech Recognition, Translation, and Understanding with Discrete Speech Units: A Comparative Study.

Xuankai Chang, Brian Yan, Kwanghee Choi, Jee-Weon Jung, Yichen Lu, Soumi Maiti, Roshan S. Sharma, Jiatong Shi, Jinchuan Tian, Shinji Watanabe, Yuya Fujita, Takashi Maekaku, Pengcheng Guo, Yao-Fei Cheng, Pavel Denisov, Kohei Saijo, Hsiu-Hsuan Wang

Proceedings of the IEEE International Conference on Acoustics, 2024

What to Refer and How? - Exploring Handling of Auxiliary Information in Target Speaker Extraction.

Tomohiro Hayashi, Riku Ogino, Kohei Saijo, Tetsuji Ogawa

Proceedings of the Asia Pacific Signal and Information Processing Association Annual Summit and Conference, 2024

2023

Remixing-based Unsupervised Source Separation from Scratch.

Kohei Saijo, Tetsuji Ogawa

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Self-Remixing: Unsupervised Speech Separation VIA Separation and Remixing.

Kohei Saijo, Tetsuji Ogawa

Proceedings of the IEEE International Conference on Acoustics, 2023

Toward Universal Speech Enhancement For Diverse Input Conditions.

Wangyou Zhang, Kohei Saijo, Zhong-Qiu Wang, Shinji Watanabe, Yanmin Qian

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

A Single Speech Enhancement Model Unifying Dereverberation, Denoising, Speaker Counting, Separation, And Extraction.

Kohei Saijo, Wangyou Zhang, Zhong-Qiu Wang, Shinji Watanabe, Tetsunori Kobayashi, Tetsuji Ogawa

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

2022

Spatial Loss for Unsupervised Multi-channel Source Separation.

Kohei Saijo, Robin Scheibler

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

Independence-based Joint Dereverberation and Separation with Neural Source Model.

Kohei Saijo, Robin Scheibler

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

Unsupervised Training of Sequential Neural Beamformer Using Coarsely-separated and Non-separated Signals.

Kohei Saijo, Tetsuji Ogawa

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

Remix-Cycle-Consistent Learning on Adversarially Learned Separator for Accurate and Stable Unsupervised Speech Separation.

Kohei Saijo, Tetsuji Ogawa

Proceedings of the IEEE International Conference on Acoustics, 2022

2021

Comparative Study on DNN-based Minimum Variance Beamforming Robust to Small Movements of Sound Sources.

Kohei Saijo, Kazuhiro Katagiri, Masaru Fujieda, Tetsunori Kobayashi, Tetsuji Ogawa

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2021