Stefan Liebich, M.Sc.

Wissenschaftlicher Mitarbeiter

Raum: 308b
+49 241 80-26982
+49 241 80-22254
liebich(at)iks.rwth-aachen.de

Forschungsthemen

Anwendung in Kopfhörern und Hörgeräten:

  • Aktive Störgeräuschunterdrückung
  • Aktive Okklusionsreduktion
  • Wahrnehmung der eigenen Stimme


Methoden:

 

  • Adaptive Algorithmen
  • Robust Feedback Regelung
  • Echtzeitsignalverarbeitung
  • Akustische Messtechnik
  • Systemidentifikation

Lehrtätigkeit

  • Koordination des Masterstudiengangs Communications Engineering
  • Praktikum MATLAB Advanced
  • Seminar Selected Topics in Communications Engineering

Frühere Lehrtätigkeiten

  • Praktikum Real Time Audio Processing

Office hours for coordination of Master of Communications Engineering

  • Tuesdays 10:00 - 11:30
  • Thursdays 14:00 - 16:00

Additional appointments may be arranged via mail (ce-coordinator(at)rwth-aachen.de).

Veröffentlichungen

Fabry, J., König, F., Liebich, S. and Jax, P.: Acoustic equalization for headphones using a fixed feed-forward filter, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , IEEE, May/2019, accepted for publication


Liebich, S., Fabry, J., Jax, P. and Vary, P.: Signal Processing Challenges for Active Noise Cancellation Headphones, in ITG-Fachtagung Sprachkommunikation , VDE Verlag GmbH , Oct/2018, ISBN: 978-3-80074-767-2


Fabry, J., Liebich, S., Vary, P. and Jax, P.: Active Noise Control with Reduced-Complexity Kalman Filter, in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC) , IEEE, Sep/2018, ISBN: 978-1-53868-151-0, 10.1109/IWAENC.2018.8521391


Fabry, J., König, F., Liebich, S. and Jax, P.: Online Secondary Path Estimation with Masked Auxiliary Noise for Active Noise Control, in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC) , IEEE, Sep/2018, ISBN: 978-1-53868-151-0, 10.1109/IWAENC.2018.8521277


Liebich, S., Thieling, L., Fabry, J., Jax, P. and Vary, P.: Natural own-voice perception while wearing headphones - Active Occlusion Cancellation with Equalized Hear-Through, in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC) , IEEE, Sep/2018


Liebich, S., Richter, J.-G., Fabry, J., Durand, C., Fels, J. and Jax, P.: Direction-of-Arrival Dependency of Active Noise Cancellation Headphones , in Proceedings of the 2018 ASME International Conference and Exposition on Noise Control Aug/2018


Liebich, S., Brandis, R., Fabry, J., Jax, P. and Vary, P.: Active Occlusion Cancellation with Hear-Through Equalization for Headphones, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , p.p. 241-245 , IEEE, Apr/2018, ISBN: 978-1-53864-659-5, 10.1109/ICASSP.2018.8461834


Liebich, S., Jax, P. and Vary, P.: Opening the Ear Digitally – Natural perception of the own voice while using hearing devices, in 45th Erlanger Kolloquium Feb/2018


Liebich, S., Fabry, J., Jax, P. and Vary, P.: Time-Domain Kalman Filter for Active Noise Cancellation Headphones, in Proceedings of European Signal Processing Conference (EUSIPCO) , p.p. 593-597 , Signal Processing Conference (EUSIPCO), 2017 25th European, Aug/2017, ISBN: 978-1-53860-751-0, ISSN: 2076-1465, 10.23919/EUSIPCO.2017.8081276


Liebich, S., Jax, P. and Vary, P.: Active Cancellation of the Occlusion Effect in Hearing Aids by Time Invariant Robust Feedback, in ITG-Fachtagung Sprachkommunikation , VDE Verlag GmbH , Oct/2016, ISBN: 978-3-80074-275-2


Liebich, S., Anemüller, C., Rüschen, D., Leonhardt, S., Jax, P. and Vary, P.: Active Noise Cancellation in Headphones by Digital Robust Feedback Control, in Proceedings of European Signal Processing Conference (EUSIPCO) , Signal Processing Conference (EUSIPCO), 2016 24rd European, Aug/2016, 10.1109/EUSIPCO.2016.7760567


Liebich, S., Antweiler, C., Jax, P. and Vary, P.: Excitation Signals for Online Secondary Path Estimation in Active Noise Control, in Proceedings of German Annual Conference on Acoustics (DAGA) Mar/2016, ISBN: 978-3-93929-610-2


Liebich, S. and Brüser, C.: Deconvolution-based Physiological Signal Simplification for Periodical Parameter Estimation, in Proceedings of International Student Conference on Electrical Engineering (POSTER) May/2014


Liebich, S., Brüser, C. and Leonhardt, S.: Deconvolution-based Physiological Signal Simplification for Periodical Parameter Estimation , In Clinician and Technology Journal Vol. 44 , p.p. 18-24 , No. 2 2014, ISSN: 0301-5491