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


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), pp. P3-2, 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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