Medizinische Physik

Steffen Kortlang

Contact

Dr. Steffen Kortlang
Medical Physics Section
Carl von Ossietzky-Universität Oldenburg
D-26111 Oldenburg
Germany 

e-mail: steffen.kortlang(at)uni-oldenburg.de
phone: +49 441 798-3249
fax:     +49 441 798-3902
office location: Campus Wechloy, W30-1-101

Research Interests

I am a member of the medical physics group at the University of Oldenburg. My general research interests lie in psychoacoustics, auditory modeling and model-based hearing aid algorithms.

 

Publications

JOURNALS

Development and Evaluation of binaurally synchronized fast-acting dynamic compression
S.M. Ernst, S. Kortlang, G. Grimm, T. Bisitz, V. Hohmann, B. Kollmeier, and S.D. Ewert
to be submitted.

Combination of controlled laboratory tests and structured field trials for a comprehensive evaluation of a model-based hearing aid
S. Kortlang, S.D. Ewert, H. Meister, S. Rählmann, J. Kießling, M. Vormann, R. Huber, B. Kollmeier, and S.M. Ernst
to be submitted.

Evaluation of combined dynamic compression and single channel noise reduction for hearing aid applications
S. Kortlang, Z. Chen, T. Gerkmann, B. Kollmeier, V. Hohmann, and S. D. Ewert
Submitted to Int. J. Audiol.

Auditory Model-based Dynamic Compression Controlled by Subband Instantaneous Frequency and Speech Presence Probability Estimates
S. Kortlang, G. Grimm, V. Hohmann, B. Kollmeier, and S. D. Ewert
Accepted for publication in IEEE Trans. Audio Speech Lang. Process., 2016. [LINK]

Suprathreshold auditory processing deficits in noise: Effects of hearing loss and age
S. Kortlang, M. Mauermann, and S. D. Ewert
Hearing Research, vol. 331, pp. 27-40, 2015. [Link]

CONFERENCE PROCEEDINGS

Single Channel Noise Reduction based on an Auditory Filterbank
S. Kortlang, S. D. Ewert, and T. Gerkmann
17. International Workshop on Acoustic Signal Enhancement 2014 (IWAENC 2014), Antibes (France), pp. 283-287, 2014[Link]

Untersuchung von überschwelligen auditiven Verarbeitungsstörungen
M. Seidel, S. Kortlang, M. Mauermann, B. Kollmeier, and S. D. Ewert
17. Jahrestagung der DGA, Oldenburg (Germany), 2014.

Assessment, modeling, and compensation of inner and outer hair cell damage
S. Kortlang, and S. D. Ewert
in Proc. ISAAR 2013: Auditory Plasticity – Listening with the Brain. 4th symposium on Auditory and Audiological Research, Nyborg Strand (Denmark), pp. 341-348, 2013[Link]

A Model-based hearing aid: Psychoacoustics, models and algorithms
S. D. Ewert, S. Kortlang, and V. Hohmann
in Proceedings of the ICA/ASA meeting, Montreal (Canada), 2013. [Link]

Quantifizierung und Modellierung zeitlicher Verarbeitungsstörungen im Rauschen bei Normal- und Schwerhörenden
S. Kortlang, M. Mauermann, B. Kollmeier, and S. D. Ewert
16. Jahrestagung der DGA, Rostock (Germany), 2013.

Evaluation eines modellbasierten Dynamikkompressors zur Kompensation cochleärer Hörschäden
S. Kortlang, G. Grimm, V. Hohmann, B. Kollmeier, and S. D. Ewert
15. Jahrestagung der DGA, Erlangen (Germany), 2012.

A Hierarchical Approach to Content-Based Classification of Environmental Sounds Using a Predefined Taxonomy
S. Kortlang, J. Schröder, D. Hollosi, J. Anemüller, and B. Kollmeier
in Fortschritte der Akustik - DAGA 2011, pp. 247-248, DEGA e.V., Düsseldorf (Germany), 2011.

Catalog of basic scenes for rare/incongruent event detection
D. Hollosi, S. Wabnik, S. Gerlach, and S. Kortlang
in DIRAC Workshop at the European conference on machine learning and principles and practice of knowledge discovery in databases (ECMLPKDD2010), Barcelona (Spain), 2010.

OTHER CONFERENCE CONTRIBUTIONS (TALK/POSTER)

Development and Combination of Auditory-motivated Dynamic Compression and Single Channel Noise Reduction for Hearing Aid Applications
S. Kortlang, V. Hohmann, B. Kollmeier and S. D. Ewert
43. Erlanger Kolloqium, Erlangen (Germany), 2016.

Modelling temporal fine structure and envelope processing in aided and unaided hearing-impaired listeners
V. Hohmann, S. Kortlang, and S. D. Ewert
ISAAR 2015: Individual hearing loss - Characterization, modelling, compensation strategies. 5th symposium on Auditory and Audiological Research, Nyborg Strand (Denmark), 2015.

An auditory model-based approach to dynamic compression
S. Kortlang, V. Hohmann, Stephan M. A. Ernst, R. Huber, H. Meister, J. Kießling, B. Kollmeier, and S. D. Ewert
International Hearing Aid Conference - IHCON, Lake Tahoe (California, USA), 2014.

Technical evaluation of auditory model-based dynamic compression
S. Kortlang, G. Grimm, V. Hohmann, and S. D. Ewert
17. Jahrestagung der DGA, Oldenburg (Germany), 2014.

An effective auditory masking and perception model based on adaptation to stimulus statistic
S. D. Ewert, C. T. Iben, and S. Kortlang
40. Jahrestagung für Akustik DAGA, DEGA e.V., Oldenburg (Germany), 2014.

Development and evaluation of an auditory model-based hearing aid
S. Ernst, S. Kortlang, C. Völker, G. Grimm, V. Hohmann, B. Kollmeier and S. D. Ewert
41. Erlanger Kolloqium, Erlangen (Germany), 2014.

Model-based characterization and compensation of sensorineural hearing loss
S. Kortlang, B. Kollmeier, and S. D. Ewert
7th ARCHES Meeting, Paris (France), 2013.

Modelling effects of sensorineural hearing loss and age on temporal fine structure and envelope processing
S. D. Ewert, and S. Kortlang
11th EFAS Congress, Budapest (Hungary), 2013.

Characterization of IHC loss and its relevance to hearing aid gain prescription rules
S. Kortlang, M. Mauermann, B. Kollmeier, and S. D. Ewert
International Hearing Aid Conference - IHCON, Lake Tahoe (California, USA), 2012.

Model-based hearing aids: from psychoacoustics to dynamic compression
S. D. Ewert, S. Kortlang, G. Grimm, S. A. M. Ernst, and V. Hohmann 
6th ARCHES Meeting, Copenhagen (Denmark), 2012.

A dynamic compressor with a simple auditory model in the loop
G. Grimm, S. Kortlang, S. E. Ewert, and V. Hohmann 
5th ARCHES Meeting, Leuven (Belgium), 2011.

BOOK CHAPTERS

Die klingende Saite des Berimbaus aus physikalischer Sicht
S. Kortlang
in Berimbau: Der afro-amerikanische Musikbogen - Geschichte, Klangwelt und Spielweise, U. Levens Ed., pp. 124-128, Drachenverlag, Lassan (Germany), 2012. [Link]

Catalog of basic scenes for rare/incongruent event detection
D. Hollosi, S. Wabnik, S. Gerlach, and S. Kortlang
in Detection and identification of rare audiovisual cues, D. Weinshall, J. Anemüller, L. van Gool Ed., pp. 77-84, Springer, Berlin (Germany), 2012. [Link]

THESIS

Ein hierarchisches Modell zur inhaltsbezogenen Audio-Klassifikation
S. Kortlang, J. Anemüller, and B. Kollmeier
Master thesis, University of Oldenburg (Germany), 2011. [Link]

Zur Physik akustischer und elektrischer Gitarren
S. Kortlang, J. Pade, and M. Komorek 
Bachelor thesis, University of Oldenburg (Germany), 2008.

 

See also: publication database.

MISC

Winner of the Advancement Award for science communication "LzO Groschen 2012" [Link]

Winner of the Science Slam 2013 in Oldenburg [Link]