Reflection coefficient estimation by pseudospectrum matching

Conference contribution
(Conference Contribution)

Publication Details

Author(s): Marković D, Hofmann C, Antonacci F, Kowalczyk K, Sarti A, Kellermann W
Publisher: Institute of Electrical and Electronics Engineers Inc.
Publication year: 2012
Pages range: 181-184
ISBN: 9783800734511
Language: English


This paper presents a novel model-based method for in-situ estimation of sound reflection coefficients in acoustic enclosures. The method uses a modeling engine for simulation of acoustic propagation and generation of the spatial pseudospectrum using a beamforming technique. The simulated pseudospectrum is matched with the measured pseudospectrum acquired by a real beamforming microphone array in order to estimate reflection coefficients of the walls of the acoustic enclosure. Experimental results confirm that the proposed method allows for an accurate estimation of the reflection coefficients, especially for reflective walls, typical of everyday environments.

FAU Authors / FAU Editors

Hofmann, Christian
Kowalczyk, Konrad Dr.
Professur für Nachrichtentechnik
Professur für Nachrichtentechnik
Kellermann, Walter Prof. Dr.-Ing.
Professur für Nachrichtentechnik

External institutions
Politecnico di Milano

How to cite

Marković, D., Hofmann, C., Antonacci, F., Kowalczyk, K., Sarti, A., & Kellermann, W. (2012). Reflection coefficient estimation by pseudospectrum matching. (pp. 181-184). Aachen, DE: Institute of Electrical and Electronics Engineers Inc..

Marković, D., et al. "Reflection coefficient estimation by pseudospectrum matching." Proceedings of the International Workshop on Acoustic Signal Enhancement (IWAENC), Aachen Institute of Electrical and Electronics Engineers Inc., 2012. 181-184.


Last updated on 2018-17-10 at 10:08