Introduction

My research revolves around making audio and speech AI more practical and useful. I aim to introduce concepts such as efficiency, personalization, scalability, and collaboration into the AI systems I develop. With those goals in mind and by combining signal processing, generative modeling, and machine learning, I develop adaptive systems for learning efficient data representations (e.g., neural audio coding), intelligent signal processing (e.g., speech enhancement and source separation), and generative modeling of audio.

News

  • ICASSP 2026 Papers Accepted

    I have been fortunate enough to work on the following interesting papers that were accepted for publication at ICASSP 2026.

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  • Jaesung Passed Qual

    Jaesung Bae successfully passed the qualifying exam.

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  • Haici Yang Defended

    Haici Yang defended her dissertation (“Latent Variable Learning for Generative Neural Audio Codecs”) successfully!

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  • WASPAA 2025 in Lake Tahoe

    My group in Illinois, former students at IU, and collaborators have had a strong presence at WASPAA 2025, which was one of the best conference experiences I’ve had so far.

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  • ISMIR 2025 in Daejeon, Korea

    ISMIR 2025 in Daejeon, Korea was really fun. Learned a lot from the nice papers, how things are organized there, and enjoyed the music so much. Yutong Wen presented a

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  • Darius Defended

    Darius Petermann successfully defended his dissertation on “Efficient Native Neural Sub-band Coding through Residual Feature Representation within Hyper-Autoencoded Reconstruction Propagation Networks.”

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  • Fraunhofer IIS and AudioLabs in Erlangen

    The visit to Fraunhofer IIS and International Audio Labs in Erlangen was so inspiring and heartwarming. Introducing my neural audio coding works to the leading experts in audio coding was

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  • University of Hamburg

    It was such a nice visit to Timo Gerkmann’s signal processing group at the University of Hamburg. I had a great time speaking with the bright students and researchers there,

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  • WASPAA 2025

    Four papers were accepted for publication at WASPAA 2025:

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  • Ajou Honorary Alumni

    I was recognized as “Ajou Honorary Alumni” by my alma mater, Ajou University, along with my then-girlfriend-now-wife Kahyun Choi.

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  • Aalborg University

    I will be spending June and July at Aalborg University, visiting the Audio Analysis Lab and the AI and Sound Section at the Department of Electronic Systems.

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  • Anastasia Kuznetsova Defended

    Anastasia Kuznetsova successfully defended her dissertation on “Data Efficiency and Model Complexity Reduction for Speech Processing Systems.” Congratulations!

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  • ISMIR 2025

    Yutong Wen’s paper on “User-Guided Generative Source Separation” was accepted for publication at ISMIR 2025.

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  • ICASSP 2025 in Hyderabad, India

    ICASSP 2025 was fun! I organized the Generative Data Augmentation (GenDA) workshop along with my colleagues (Dinesh Manocha at U. of Maryland, Johan Hershey at Google, and Trausti Kristjansson at

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