Chair of
Multimedia Communications and Signal Processing
Prof. Dr.-Ing. André Kaup

Publications and Selected Lectures

W. Kellermann and W. Granzow. Analysis of Low-PAR Modulation schemes for Wideband CDMA. Proceedings of the Fifth IEEE International Symposium on Spread Spectrum Techniques and Applications 1998 (ISSSTA' 98), Sun City, South Africa, September 1998.

W. Kellermann. Joint Design of  Acoustic Echo Cancellation and Adaptive Beamforming Microphone Arrays. Conf. Rec. of the Fifth International Workshop on Acoustic Echo and Noise Control. London, UK,  September 1997.

W. Kellermann. Strategies for combining Acoustic Echo Cancellation and Adaptive Beamforming Microphone Arrays. Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Munich, April 1997.

W. Kellermann. Some Properties of Echo Path Impulse Responses of Microphone Arrays and Consequences for Acoustic Echo Cancellation. Conf. Rec. of the Fourth International Workshop on Acoustic Echo and Noise Control. Røros, Norway, June, 1995.

W. Kellermann. On the Impulse Response of a Microphone Array for Acoustic Echo Cancellation in Hands-free Telephony. Proceedings Aachener Kolloquium Signaltheorie 1994. Aachen, March 1994.

K. Janse, W. Kellermann, Ch. Knibbeler, R. Martin, and P. Vary. A Noise Reduction System for Automobiles. Conf. Rec. of the Third International Workshop on Acoustic Echo Controls. Plestin-les-Grèves, France, September 1993.

W. Kellermann. On the Integration of Subband Echo Cancellation into Subband Coding Schemes. (Invited lecture.) Signal Processing IV - Theories and Applications (EUSIPCO '92), pp. 123-127, Brussels, Belgium, August 1992.

M. M. Sondhi and W. Kellermann. Echo cancellation for speech signals. In S. Furui and M. M. Sondhi (Hrsg.), Advances in Speech Signal Processing, p. 327-356. Marcel Dekker, New York, NY, USA, 1991.

W. Kellermann. A self-steering digital microphone array for teleconferencing. Proceedings of the Second International Workshop on Acoustic Echo Control, L'Aquila, Italien, September 1991.

W. Kellermann. A self-steering digital microphone array. Proceedings IEEE International conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 3581-3584, Toronto, Ontario, Kanada, May 1991.

W. Kellermann. Acoustic echo cancellation in subbands. Invited Lecture, 119th Meeting of the Acoustical Society of America (ASA), State College, PA, USA, May 1990.

W. Kellermann. Some aspects of the frequency-subband approach to the cancellation of acoustical echoes. Proceedings of the First International Workshop on Acoustic Echo Control, Berlin (West), September 1989. See also  Conference Recordings of the IEEE ASSP Workshop on Application of Digital Signal Processing to Audio and Acoustics, New Paltz, NY, USA, October 1989.

W. Kellermann. Zur Nachbildung physikalischer Systeme durch parallelisierte digitale Ersatzsysteme im Hinblick auf die Kompensation akustischer Echos (Dissertation). Fortschrittsberichte VDI, Series 10: Informatik/Kommunikationstechnik, Nr. 102, Düsseldorf, 1989.

W. Kellermann. Analysis and design of multirate systems for cancellation of acoustical echoes. Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing, pp. 2570-2573, New York, NY, USA, April 1988.

J. Cezanne and W. Kellermann. Elliptic filters for the design of digital filter banks with nearly constant magnitude. Signal Processing, 14(1), pp. 11-24, January 1988.

W. Kellermann and H. Klump. Real-time implementation of nonrecursive polyphase filter banks on the general-purpose digital signal processor Fujitsu MB8764. Proceedings European Signal Processing Conference (EUSIPCO) 86, pp. 1259-1262, Den Haag, The Netherlands, September 1986.

T. Becker, W. Kellermann,  and U. Schultheiß. Verfahren zur Verminderung der Adaptionszeit und des Signalverarbeitungsaufwands bei Kompensatoren für akustische Echos. Fortschrittsberichte der Deutschen Arbeitsgemeinschaft fü Akustik (DAGA '86), pp. 741-744, Oldenburg, October 1986.

W. Kellermann. Kompensation akustischer Echos in Frequenzteilbändern. Frequenz, 39(7/8), pp. 209-215, July/August 1985.

W. Kellermann. Kompensation akustischer Echos in Frequenzteilbändern. Proceedings Aachener Kolloquium 1984, pp. 322-325, Aachen, September 1984.