Dr.-Ing. Magnus Schäfer

Seit 2016 ehemaliger wissenschaftlicher Mitarbeiter

E-Mail: schaefer(at)iks.rwth-aachen.de

Veröffentlichungen

Schäfer, M., Thieling, L. and Vollmer, L.: Metrics for the Evaluation of Audio Quality, in Proceedings of German Annual Conference on Acoustics (DAGA), pp. 1390-1393, 2019, ISBN: 978-3-93929-614-0


Koep, N., Schäfer, M. and Vary, P.: Noise-Shaping for Closed-Loop Multi-Channel Linear Prediction, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 4335 - 4339, Apr. 2015, 10.1109/ICASSP.2015.7178789


Schäfer, M.: Multi Channel Audio Processing: Enhancement, Compression and Evaluation of Quality, Ph. D. Dissertation IND, RWTH Aachen, Aachener Beiträge zu Digitalen Nachrichtensystemen (ABDN), 39, ISBN: 978-3-95886-007-0, 2014, ISBN: 978-3-95886-007-0


Bulla, C., Feldmann, C., Schäfer, M., Heese, F., Schlien, T. and Schink, M.: High Quality Video Conferencing: Region of Interest Encoding and Joint Video/Audio Analysis, in International Journal on Advances in Telecommunications, Vol. 6, No. 3 & 4, pp. 153 - 163, Dec. 2013, ISSN: 1942-2601


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


Schäfer, M., Bahram, M. and Vary, P.: An Extension of the PEAQ Measure by a Binaural Hearing Model, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May. 2013 ©2013 IEEE


Heese, F., Schäfer, M., Wernerus, J. and Vary, P.: Numerical Near Field Optimization of a Non-Uniform Sub-band Filter-and-Sum Beamformer, in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May. 2013


Heese, F., Schäfer, M., Vary, P., Hadad, E., Markovich Golan, S. and Gannot, S.: Comparison of Supervised and Semi-supervised Beamformers Using Real Audio Recordings, in Proceedings of IEEE 27-th Convention of Electrical and Electronics Engineers in Israel (IEEEI), pp. 1-5, Nov. 2012, ISBN: 978-1-46734-681-8, 10.1109/EEEI.2012.6376965


Schäfer, M., Bahram, M. and Vary, P.: Improved Binaural Model for Localization of Multiple Sources, in ITG-Fachtagung Sprachkommunikation, pp. 271-274, VDE-Verlag GmbH, Sep. 2012


Schäfer, M., Heese, F., Wernerus, J. and Vary, P.: Numerical Near Field Optimization of Weighted Delay-and-Sum Microphone Arrays, in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), Sep. 2012


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


Schäfer, M. and Vary, P.: Hierarchical Multi-Channel Audio Coding based on Time-Domain Linear Prediction, in Proceedings of European Signal Processing Conference (EUSIPCO), pp. 2148-2152, Aug. 2012


Geiser, B., Schäfer, M. and Vary, P.: Binaural Wideband Telephony Using Steganography, in Konferenz Elektronische Sprachsignalverarbeitung (ESSV)(Aachen, Germany), pp. 132-137, TuDPress Verlag der Wissenschaften GmbH, Sep. 2011, ISBN: 978-3-94271-037-4, ISSN: 0940-6832


Schäfer, M., Schnelling, C., Geiser, B. and Vary, P.: A Listening Test Environment for Subjective Assessment of Speech and Audio Signal Processing Algorithms, in Konferenz Elektronische Sprachsignalverarbeitung (ESSV)(Aachen, Germany), pp. 237-244, TUDpress Verlag der Wissenschaften GmbH, Sep. 2011, ISBN: 978-3-94271-037-4, ISSN: 0940-6832


Jeub, M., Schäfer, M., Esch, T. and Vary, P.: Model-Based Dereverberation Preserving Binaural Cues, in (IEEE TASL), Vol. 18, No. 7, pp. 1732 - 1745, Sep. 2010, ISSN: 1558-7916, 10.1109/TASL.2010.2052156


Schäfer, M., Jeub, M., Sauert, B. and Vary, P.: Reverberation-Based Post-Processing for Improving Speech Intelligibility, in International Congress on Acoustics (ICA)(Sydney, Australia), Aug. 2010, ISBN: 978-0-64654-052-8


Jeub, M., Schäfer, M., Krüger, H., Nelke, C. M., Beaugeant, C. and Vary, P.: Do We Need Dereverberation for Hand-Held Telephony?, in International Congress on Acoustics (ICA)(Sydney, Australia), Aug. 2010, ISBN: 978-0-64654-052-8


Schäfer, M., Krüger, H. and Vary, P.: Extending Monaural Speech and Audio Codecs by Inter-Channel Linear Prediction, in Konferenz Elektronische Sprachsignalverarbeitung (ESSV)(Dresden, Germany), pp. 166-173, TUDpress Verlag der Wissenschaften, Sep. 2009, ISBN: 978-3-94129-831-6


Jeub, M., Schäfer, M. and Vary, P.: A Binaural Room Impulse Response Database for the Evaluation of Dereverberation Algorithms, in Proceedings of International Conference on Digital Signal Processing (DSP)(Santorini, Greece), pp. 1-4, IEEE, Jul. 2009, ISBN: 978-1-42443-298-1 ©2009 IEEE