Organization profile

Organisation profile

The research lab was founded in 2012 and is located at the Dept. of Architecture, Design & Media Technology at Aalborg University in Denmark. It is headed by Associate Professor Mads Græsbøll Christensen and is comprised of a group of researchers who conduct basic and applied research in signal processing theory and methods aimed at or involving analysis of audio signals. The research focuses on problems such as compression, analysis, classification, separation, and enhancement of audio signals, as well as localization, identification and tracking using microphone arrays. The lab and its members are currently funded by grants from the Villum Foundation, the Danish Council for Strategic Research, and the Danish Council for Independent Research.

Fingerprint The fingerprint is based on mining the text of the scientific documents related to the associated persons. Based on that an index of weighted terms is created, which defines the key subjects of research unit

Speech enhancement Engineering & Materials Science
Direction of arrival Engineering & Materials Science
Microphones Engineering & Materials Science
Noise abatement Engineering & Materials Science
Frequency estimation Engineering & Materials Science
Speech intelligibility Engineering & Materials Science
Hearing aids Engineering & Materials Science
Audio recordings Engineering & Materials Science

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Projects 2011 2020

Research Output 2012 2019

A Study on how Pre-whitening Influences Fundamental Frequency Estimation

Esquivel Jaramillo, A., Nielsen, J. K. & Christensen, M. G., 2019, (Accepted/In press) IEEE International Conference on Acoustics, Speech and Signal Processing.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
Frequency estimation
Gaussian noise (electronic)
White noise

Bayesian Pitch Tracking Based on the Harmonic Model

Shi, L., Nielsen, J. K., Jensen, J. R., A Little, M. & Christensen, M. G., 2019, (Submitted) In : IEEE/ACM Transactions on Audio, Speech, and Language Processing.

Research output: Contribution to journalJournal articleResearchpeer-review


EURASIP Early Career Award

Mads Græsbøll Christensen (Recipient), 2016

Prize: Prizes, scholarships, distinctions

Finalist of research demo pitch

Taewoong Lee (Recipient), 27 Sep 2018

Prize: Prizes, scholarships, distinctions


Activities 2010 2015

9th Sound and Music Computing Conference (SMC 2012)

Bob L. Sturm (Organizer)
11 Jul 201214 Jul 2012

Activity: Attending an eventConference organisation or participation

EURASIP Acoustic, Sound and Music Signal Processing Special Area Team (External organisation)

Mads Græsbøll Christensen (Secretary)
2015 → …

Activity: MembershipsMembership of research networks or expert groups

I E E E Signal Processing Letters (Journal)

Mads Græsbøll Christensen (Editor)
1 Apr 201031 Mar 2013

Activity: Editorial work and peer reviewJournal editorResearch

Press / Media

AAU-forsker opfinder virtuel lydboble, der kan erstatte høretelefoner

Taewoong Lee


1 item of media coverage

Press/Media: Press / Media

Gør høretelefoner overflødige

Taewoong Lee


1 item of media coverage

Press/Media: Press / Media

Gør høretelefoner overflødige

Taewoong Lee


3 items of media coverage

Press/Media: Press / Media