Woosung Choi

Researcher, Sony AI

Joined

December 2023

Names

Woosung Choi (Preferred)

,

Woo-Sung Choi

Emails

****@sony.com (Confirmed)

Personal Links

Career & Education History

Researcher

Sony AI (sony.com)

2022 – Present

Advisors, Relations & Conflicts

Postdoc Advisor

2021 – 2022

PhD Advisor

Soonyoung Jung

2013 – 2021

Expertise

Music Generation

2022 – 2025

Source Separation

2019 – 2023

Publications

LLM2Fx-Tools: Tool Calling for Music Post-Production
SeungHeon Doh, Junghyun Koo, Marco A. Martínez-Ramírez, Woosung Choi, Wei-Hsiang Liao, Qiyu Wu, Juhan Nam, Yuki Mitsufuji
- ICLR 2026 Poster
- Readers: Everyone
Concept-TRAK: Understanding how diffusion models learn concepts through concept attribution
Yong-Hyun Park, Chieh-Hsin Lai, Satoshi Hayakawa, Yuhta Takida, Naoki Murata, Wei-Hsiang Liao, Woosung Choi, Kin Wai Cheuk, Junghyun Koo, Yuki Mitsufuji
- ICLR 2026 Poster
- Readers: Everyone
Large-Scale Training Data Attribution for Music Generative Models via Unlearning
Woosung Choi, Junghyun Koo, Kin Wai Cheuk, Joan Serrà, Marco A. Martínez-Ramírez, Yukara Ikemiya, Naoki Murata, Yuhta Takida, Wei-Hsiang Liao, Yuki Mitsufuji
- NeurIPS Creative AI Track 2025
- Readers: Everyone
Music Foundation Model as Generic Booster for Music Downstream Tasks
Wei-Hsiang Liao, Yuhta Takida, Yukara Ikemiya, Zhi Zhong, Chieh-Hsin Lai, Giorgio Fabbro, Kazuki Shimada, Keisuke Toyama, Kin Wai Cheuk, Marco A. Martínez-Ramírez, Shusuke Takahashi, Stefan Uhlich, Taketo Akama, Woosung Choi, Yuichiro Koyama, Yuki Mitsufuji
- Accepted by TMLR
- Readers: Everyone
VRVQ: Variable Bitrate Residual Vector Quantization for Audio Compression
Yunkee Chae, Woosung Choi, Yuhta Takida, Junghyun Koo, Yukara Ikemiya, Zhi Zhong, Kin Wai Cheuk, Marco A. Martínez-Ramírez, Kyogu Lee, Wei-Hsiang Liao, Yuki Mitsufuji
- Compression Workshop @ NeurIPS 2024
- Readers: Everyone
Disentangling Multi-instrument Music Audio for Source-level Pitch and Timbre Manipulation
Yin-Jyun Luo, Kin Wai Cheuk, Woosung Choi, Wei-Hsiang Liao, Keisuke Toyama, Toshimitsu Uesaka, Koichi Saito, Chieh-Hsin Lai, Yuhta Takida, Simon Dixon, Yuki Mitsufuji
- Audio Imagination: NeurIPS 2024 Workshop
- Readers: Everyone
HQ-VAE: Hierarchical Discrete Representation Learning with Variational Bayes
Yuhta Takida, Yukara Ikemiya, Takashi Shibuya, Kazuki Shimada, Woosung Choi, Chieh-Hsin Lai, Naoki Murata, Toshimitsu Uesaka, Kengo Uchida, Wei-Hsiang Liao, Yuki Mitsufuji
- Accepted by TMLR
- Readers: Everyone
Improving Unsupervised Clean-to-Rendered Guitar Tone Transformation Using GANs and Integrated Unaligned Clean Data
Yu-Hua Chen, Woosung Choi, Wei-Hsiang Liao, Marco A. Martínez Ramírez, Kin Wai Cheuk, Yuki Mitsufuji, Jyh-Shing Roger Jang, Yi-Hsuan Yang
- CoRR 2024
- Readers: Everyone
VRVQ: Variable Bitrate Residual Vector Quantization for Audio Compression
Yunkee Chae, Woosung Choi, Yuhta Takida, Junghyun Koo, Yukara Ikemiya, Zhi Zhong, Kin Wai Cheuk, Marco A. Martínez Ramírez, Kyogu Lee, Wei-Hsiang Liao, Yuki Mitsufuji
- CoRR 2024
- Readers: Everyone
Music Foundation Model as Generic Booster for Music Downstream Tasks
Wei-Hsiang Liao, Yuhta Takida, Yukara Ikemiya, Zhi Zhong, Chieh-Hsin Lai, Giorgio Fabbro, Kazuki Shimada, Keisuke Toyama, Kin Wai Cheuk, Marco A. Martínez Ramírez, Shusuke Takahashi, Stefan Uhlich, Taketo Akama, Woosung Choi, Yuichiro Koyama, Yuki Mitsufuji
- CoRR 2024
- Readers: Everyone

View all 28 publications

Co-Authors

View all 75 co-authors