We treat the problem of loudspeaker-microphone (LM) system measurements in reverberant environments where the desired response is corrupted by unknown echoes. A new approach based on pole-zero modeling of the LM system is presented and compared to traditional methods like time-delay spectrometry and cepstral deconvolution. We show that the new method leads to higher resolution in frequency domain when the system transfer function exhibits sharp peaks and/or valleys.

Author: Niedrist, Georg
Affiliation: Technical University of Vienna, Austria
AES Convention: 92 (March 1992) Paper Number: 3245
Publication Date: March 1, 1992
Subject: Digital Signal Processing

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