Austin Lu

Austin Lu

Co-founder and CTO
@ The Common AI

Publications

You can also find my articles on my Google Scholar profile.

Journals & Theses

Automating acoustic signal processing experiments and audio machine learning datasets using robots

Published: Dec 2024
Venue: University of Illinois Urbana-Champaign

This thesis presents comprehensive research on automating acoustic signal processing experiments and generating audio machine learning datasets using robotic systems.

A. Lu, "Automating acoustic signal processing experiments and audio machine learning datasets using robots," Ph.D. dissertation, University of Illinois at Urbana-Champaign, 2024.
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Articles & Papers

Denoising bandwidth extension via fusion of air and bone microphones

Published: May 2025
Venue: American Institute of Physics (AIP)

This research explores denoising and bandwidth extension techniques using the fusion of air and bone microphones for improved audio quality.

A. Lu, K. Sarkar, M. Mittal, R.M. Corey, P. Smaragdis, A.C. Singer, "Denoising bandwidth extension via fusion of air and bone microphones," Proceedings of Meetings on Acoustics, vol. 51, no. 1, pp. 050010, 2023.
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Frame-by-frame mixture of beamformers for source separation

Published: Oct 2023
Venue: American Institute of Physics (AIP)

This paper proposes a novel approach to source separation by combining multiple beamformers on a frame-by-frame basis, enhancing the separation of concurrent sound sources.

M. Mittal, K. Sarkar, A. Lu, R. Corey, A. Singer, "Frame-by-frame mixture of beamformers for source separation," Proceedings of Meetings on Acoustics, vol. 51, no. 1, pp. 050007, 2023.
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Mechatronic Generation of Datasets for Acoustics Research

Published: May 2022
Venue: Institute of Electrical and Electronics Engineers (IEEE)

This paper presents a mechatronic system designed to generate large-scale dynamic datasets for acoustics research, facilitating the development and evaluation of acoustic signal processing algorithms.

A. Lu, E. Moore, A. Nallanthighall, K. Sarkar, M. Mittal, R.M. Corey, A.C. Singer, "Mechatronic Generation of Datasets for Acoustics Research," 2022 International Workshop on Acoustic Signal Enhancement (IWAENC), 2022, pp. 1-5.
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Talks & Posters

Delay-constrained hearing aid speech enhancement using a wireless remote microphone

Published: Mar 2024
Venue: American Institute of Physics (AIP)

This research addresses the challenge of speech enhancement in hearing aids by utilizing a wireless remote microphone, focusing on minimizing delay to improve user experience.

A. Lu, Y. Zhuang, R.M. Corey, A.C. Singer, "Delay-constrained hearing aid speech enhancement using a wireless remote microphone," The Journal of the Acoustical Society of America, vol. 155, no. 3_Supplement, pp. A42-A42, 2024.
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Source separation using bandlimited external microphones and a microphone array

Published: Mar 2023
Venue: American Institute of Physics (AIP)

This research explores source separation techniques employing bandlimited external microphones in conjunction with a microphone array to improve separation performance.

M. Mittal, K. Sarkar, A. Lu, R.M. Corey, A.C. Singer, "Source separation using bandlimited external microphones and a microphone array," The Journal of the Acoustical Society of America, vol. 153, no. 3_supplement, pp. A52-A52, 2023.
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3D-printed acoustic head simulators that talk and move

Published: Mar 2023
Venue: American Institute of Physics (AIP)

This paper presents 3D-printed acoustic simulators capable of speech and movement, serving as tools for testing and developing audio equipment and AI.

X. Yue, A. Nallanthighall, M. Mittal, A. Lu, K. Sarkar, R.M. Corey, P. Smaragdis, A.C. Singer, "3D-printed acoustic head simulators that talk and move," The Journal of the Acoustical Society of America, vol. 153, no. 3_supplement, pp. A38-A38, 2023.
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Mechanized acoustic panels for variable reverb control

Published: Mar 2023
Venue: American Institute of Physics (AIP)

This study introduces mechanized acoustic panels capable of adjusting reverb characteristics in a room, offering dynamic control over acoustic environments.

A. Nallanthighall, A. Lu, K. Sarkar, M. Mittal, A.C. Singer, "Mechanized acoustic panels for variable reverb control," The Journal of the Acoustical Society of America, vol. 153, no. 3_supplement, pp. A220-A220, 2023.
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Bandwidth extension with air and body-conduction microphones for speech enhancement

Published: Mar 2023
Venue: American Institute of Physics (AIP)

This study explores the use of air and body-conduction microphones to enhance speech by extending bandwidth, aiming to improve speech quality in various applications.

A. Lu, M. Mittal, K. Sarkar, R.M. Corey, P. Smaragdis, A.C. Singer, "Bandwidth extension with air and body-conduction microphones for speech enhancement," The Journal of the Acoustical Society of America, vol. 153, no. 3_supplement, pp. A51-A51, 2023.
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Tech Demos & Tutorials