Projects per year
Personal profile
Research profile
Mads Græsbøll Christensen earned his M.Sc. in 2002, Ph.D. in 2005, and dr.techn. in 2022, all from Aalborg University in Denmark. Currently, he is a Full Professor and Head of the Department of Electronic Systems at the same university. He has held visiting positions at Philips Research Labs, ENST, UCSB, and Columbia University.
Dr. Christensen has authored 4 books and over 300 papers in peer-reviewed conferences and journals. He has also delivered tutorial and keynote talks at international conferences. His research focuses on audio and acoustic signal processing, covering areas such as microphone arrays, noise reduction, signal modeling, speech analysis, and spatial audio.
His work has received national and international recognition, including IEEE best paper awards, the Spar Nord Foundation’s Research Prize, a Danish Independent Research Council Young Researcher’s Award, the Statoil Prize, and the EURASIP Early Career Award. He has secured major grants, including several career grants, from the Independent Research Fund Denmark, the Villum Foundation, and Innovation Fund Denmark.
Active in IEEE and EURASIP, Dr. Christensen has served in various roles, including Chairman of the EURASIP Acoustic, Speech, and Music Processing TAC and Editor-in-Chief of the EURASIP Journal on Audio, Speech, and Music Processing. He is a Senior Member of IEEE, a Member of EURASIP, a Fellow of the Danish Academy of Technical Sciences, and a Villum Fellow
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Collaborations from the last five years
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PARKINSONS: Signal Processing for Diagnosis of Parkinson’s Disease from Noisy Speech
Christensen, M. G. (PI)
01/07/2015 → 01/07/2019
Project: Research
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COCKTAIL: Signal processing for detecting the cocktail party problem and methods for enhancing listening in noisy situations
Christensen, M. G. (PI), Christensen, K. B. (Project Participant), Sørensen, C. (Project Participant) & Kavalekalam, M. S. (PI)
01/11/2014 → 01/11/2017
Project: Research
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Spatio-Temporal Filtering Methods for Enhancement and Separation of Speech Signals
Christensen, M. G. (Project Licensee), Nørholm, S. M. (Project Participant), Karimian-Azari, S. (Project Participant) & Jensen, J. R. (Project Participant)
01/08/2012 → 30/06/2015
Project: Research
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Edge AI for High Stability-Robustness of Power Electronics in Modern Power Systems
Christensen, M. G. (Project Licensee) & Wang, X. (PI)
07/09/2021 → 28/09/2025
Project: Research
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Karriereinitiativet for adjunkter og postdocs på TECH
Bøgelund, P. (PI) & Christensen, M. G. (Project Participant)
01/02/2021 → …
Project: Consultancy
Research output
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Fast algorithms for fundamental frequency estimation in autoregressive noise
Quinn, B. G., Nielsen, J. K. & Christensen, M. G., Mar 2021, In: Signal Processing. 180, 16 p., 107860.Research output: Contribution to journal › Journal article › Research › peer-review
File7 Citations (Scopus)436 Downloads (Pure) -
Generation of Personal Sound Zones With Physical Meaningful Constraints and Conjugate Gradient Method
Shi, L., Lee, T., Zhang, L., Nielsen, J. K. & Christensen, M. G., 18 Jan 2021, In: IEEE/ACM Transactions on Audio, Speech, and Language Processing. 29, p. 823-837 15 p., 9328283.Research output: Contribution to journal › Journal article › Research › peer-review
File20 Citations (Scopus)259 Downloads (Pure) -
Privacy-Preserving Distributed Processing: Metrics, Bounds and Algorithms
Li, Q., Gundersen, J. S., Heusdens, R. & Christensen, M. G., 8 Jan 2021, In: I E E E Transactions on Information Forensics and Security. 16, p. 2090-2103 14 p., 9316966.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile28 Citations (Scopus)65 Downloads (Pure) -
Computationally Efficient Fixed-Filter ANC for Speech Based on Long-Term Prediction for Headphone Applications
Iotov, Y., Nørholm, S. M., Belyi, V., Dyrholm, M. & Christensen, M. G., 2022, 2022 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2022 - Proceedings. IEEE (Institute of Electrical and Electronics Engineers), p. 761-765 5 p. (I E E E International Conference on Acoustics, Speech and Signal Processing. Proceedings).Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review
Open AccessFile4 Citations (Scopus)187 Downloads (Pure) -
Automatic Quality Control and Enhancement for Voice-Based Remote Parkinson's Disease Detection
Poorjam, A. H., Kavalekalam, M. S., Shi, L., Raykov, J. P., Jensen, J. R., Little, M. A. & Christensen, M. G., 2021, In: Speech Communication. 127, p. 1-16 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
File19 Citations (Scopus)128 Downloads (Pure)
Datasets
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Fast Generation of Sound Zones Using Variable Span Trade-Off Filters in the DFT-Domain
Lee, T. (Creator), Shi, L. (Creator), Nielsen, J. K. (Creator) & Christensen, M. G. (Creator), Code Ocean, 16 Dec 2020
DOI: 10.24433/co.7972852.v1, https://codeocean.com/capsule/5510997/tree/v1
Dataset
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Data for: Harmonic Beamformers for Speech Enhancement and Dereverberation in the Time Domain
Jensen, J. R. (Creator), Karimian-Azari, S. (Contributor), Christensen, M. G. (Contributor) & Benesty, J. (Contributor), Mendeley Data, 15 Nov 2019
DOI: 10.17632/cy88yv636w.1, https://data.mendeley.com/datasets/cy88yv636w
Dataset: Supplementary material
Prizes
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Member of the Danish Academy of Technical Sciences.
Christensen, M. G. (Recipient), 26 Apr 2017
Prize: Other prizes
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IEEE Signal Processing Society Young Author Best Paper Award
Christensen, M. G. (Recipient), 2014
Prize: Conference prizes
Activities
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EURASIP Acoustic, Sound and Music Signal Processing Special Area Team (External organisation)
Christensen, M. G. (Secretary)
2015 → …Activity: Memberships › Membership of research networks or expert groups
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IEEE Technical Committee on Audio and Acoustic Signal Processing (External organisation)
Christensen, M. G. (Member)
2015 → 2017Activity: Memberships › Membership of research networks or expert groups
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Den Danske Nationale Space Conference 2025
Christensen, M. G. (Organizer)
20 Oct 2025 → 21 Oct 2025Activity: Attending an event › Conference organisation or participation
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Cryptic Commons
Andersen, A. O. (Organizer), Mannov, A. (Organizer), Wisniewski, R. (Organizer) & Christensen, M. G. (Organizer)
20 May 2021 → 21 May 2021Activity: Attending an event › Conference organisation or participation
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IEEE Transactions on Audio, Speech, and Language Processing (Journal)
Christensen, M. G. (Editor)
1 Aug 2013 → 1 Aug 2016Activity: Editorial work and peer review › Journal editor › Research
Press/Media
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Doktor Lyd har opnået den fineste forskertitel - og spiller heavy i sin fritid
19/05/2022 → 21/05/2022
3 items of Media coverage
Press/Media: Press / Media
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Fond giver 45 mio. kr. til datadrevet tværfaglig forskning
Christensen, M. G., Wang, X., Guo, C., Nielsen, P. H. & Moeslund, T. B.
11/11/2021
1 item of Media coverage
Press/Media: Press / Media
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Ny høreteknologi skal hjælpe dig med at genskabe 'cocktailparty-effekten'
02/08/2018
4 items of Media coverage
Press/Media: Press / Media
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Forklaret: Et snedigt forsvindingsnummer
25/08/2023
1 item of Media coverage
Press/Media: Press / Media