Dr.-Ing. Christiane Antweiler

Academic Director

Room: 304
+49 241 80-26983
+49 241 80-22254
antweiler(at)iks.rwth-aachen.de

Research

Main focus:

  • Algorithms for digital speech and audioprocessing
  • Multi-channel system identification with perfect sequences
  • Measurement of head-related transfer functions (HRTFs)
  • Compensation of  acoustic and electrical echo signals
  • Digital signal processing in medical diagnostics
  • Application-driven real-time implementation

Examples:

Tools:

  • Matlab, C/C++, RT Proc

Teaching

Topics of Projects and Theses

  • Signal processing for medical diagnostics
  • Identification of time variant systems
  • Measurement systems

Publications

Publications from May/ 2022 to Nov/ 2010

Yildirim, A. Y., Couturier, S., Schwalm, K., Adrat, M., Antweiler, C. and Jax, P.: Spectrum Monitoring Based on Error Vector Magnitude and Received Signal Strength Indicator, in ICMCIS 2022, Best Paper Award, Elsevier, May. 2022, 10.1016/j.procs.2022.09.002


Yildirim, A. Y., Couturier, S., Schwalm, K., Adrat, M., Antweiler, C. and Jax, P.: Spectrum Monitoring Based on Error Vector Magnitude and Received Signal Strength Indicator, in Elsevier, Procedia Computer Science, Vol. 205, No. , pp. 10-19, 2022, ISSN: 1877-0509, 10.1016/j.procs.2022.09.002


Kühl, S., Anemüller, C., Antweiler, C., Heese, F., Vicinus, P. and Jax, P.: Feedback Cancellation for IP-based Teleconferencing Systems, in ITG-Fachtagung Sprachkommunikation, pp. 109-113, VDE Verlag, Sep. 2021, ISBN: 978-3-80075-627-8


Kühl, S., Anemüller, C., Antweiler, C., Jax, P., Heese, F. and Vicinus, P.: Acoustic Howling Detection and Suppression for IP-Based Teleconference Systems, in ITG-Fachtagung Sprachkommunikation, pp. 291-295, Oct. 2018, ISBN: 978-3-80074-767-2


Kentgens, M., Kühl, S., Antweiler, C. and Jax, P.: From Spatial Recording to Immersive Reproduction - Design & Implementation of a 3DOF Audio-Visual VR System, in AES Convention, Oct. 2018


Kühl, S., Nagel, S., Kabzinski, T., Antweiler, C. and Jax, P.: Tracking of Time-Variant Linear Systems: Influence of Group Delay for Different Excitation Signals, in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), pp. 131-135, Sep. 2018, ISBN: 978-1-53868-151-0, 10.1109/IWAENC.2018.8521372


Nagel, S., Kabzinski, T., Kühl, S., Antweiler, C. and Jax, P.: Acoustic Head-Tracking for Acquisition of Head-Related Transfer Functions with Unconstrained Subject Movement, in AES International Conference on Audio for Virtual and Augmented Reality (AVAR), Aug. 2018, ISBN: 978-1-94222-023-7, 10.17743/aesconf.2018.978-1-942220-23-7


Kühl, S., Nagel, S., Kabzinski, T., Antweiler, C. and Jax, P.: A Joint Perspective of Periodically Excited Efficient NLMS Algorithm and Inverse Cyclic Convolution, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 406-410, IEEE, Apr. 2018, ISBN: 978-1-53864-658-8, 10.1109/ICASSP.2018.8461341


Kühl, S., Antweiler, C., Hübschen, T. and Jax, P.: Kalman Filter Based System Identification Exploiting the Decorrelation Effects of Linear Prediction, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 4790-4794, Mar. 2017, ISBN: 978-1-50904-117-6, ISSN: 2379-190X, 10.1109/ICASSP.2017.7953066 ©2017 IEEE


Kühl, S., Antweiler, C., Hübschen, T. and Jax, P.: Kalman Filter Based Stereo System Identification with Auto- and Cross-Decorrelation, in Proceedings of Hands-free Speech Communications and Microphone Arrays (HSCMA), pp. 181-185, Mar. 2017, ISBN: 978-1-50905-925-6, 10.1109/HSCMA.2017.7895586 ©2017 IEEE


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


Antweiler, C.: Mehrkanal-Systemidentifikation - Theorie und Anwendungen, in Nachrichtentechnisches Kolloquium, Jun. 2015


Antweiler, C., Kühl, S., Sauert, B. and Vary, P.: System Identification with Perfect Sequence Excitation – Efficient NLMS vs. Inverse Cyclic Convolution, in ITG-Fachtagung Sprachkommunikation, Sep. 2014


Schlien, T., Heese, F., Schäfer, M., Antweiler, C. and Vary, P.: Audiosignalverarbeitung für Videokonferenzsysteme, in Workshop Audiosignal- und Sprachverarbeitung (WASP), pp. 2987-3001, Sep. 2013, ISBN: 978-3-88579-614-5, ISSN: 1617-5468


Enzner, G., Antweiler, C. and Spors, S.: Trends in Acquisition of Individual Head-Related Transfer Functions, in The Technology of Binaural Listening, Springer-Verlag, pp. 57-92, Jun. 2013, ISBN: 978-3-64237-761-7


Hamm, L., Engelbert, T., Lausuch, J., de Nicolas, A. M., Kandasamy, R., Schink, M., Feldmann, C., Bulla, C., Schäfer, M., Heese, F., Schlien, T. and Antweiler, C.: Connected Visual Reality – High Quality Audio Visual Communication in Heterogeneous Networks, in International Workshop on Acoustic Signal Enhancement (IWAENC), Sep. 2012


Antweiler, C., Telle, A., Vary, P. and Enzner, G.: Perfect-Sweep NLMS for Time-Variant Acoustic System Identification, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 517-520, Mar. 2012, ISBN: 978-1-46730-044-5 ©2012 IEEE


Weinert, M., Enzner, G., Batke, J.-M., Jax, P. and Antweiler, C.: Komfortable Messung und Bereitstellung individueller kopfbezogener Impulsantworten als OpenDAFF, in Proceedings of German Annual Conference on Acoustics (DAGA), pp. 703-704, Mar. 2012


Antweiler, C. and Vary, P.: Sequential and Direct Access of HRTFs for Quasi-Continuous Angular Positions, in Proceedings of European Signal Processing Conference (EUSIPCO), pp. 1648-1652, Aug. 2011, ISSN: 2076-1465


Asenov, D., Nath, V. E., Telle, A., Antweiler, C., Walther, L. E., Vary, P. and Di Martino, E.: Sonotubometry with Perfect Sequences: First Results in Pathological Ears, in Acta Oto-Laryngologica, Vol. 130, No. 11, pp. 1242-1248, Nov. 2010, ISSN: 0001-6489


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