Towards a better understanding of the effect of reverberation on speech recognition performance

Conference contribution


Publication Details

Author(s): Sehr A, Habets E, Maas R, Kellermann W
Publishing place: Tel Aviv, Israel
Publication year: 2010
Conference Proceedings Title: Proc. International Workshop on Acoustic Echo and Noise Control (IWAENC)
Language: English


Abstract

In order to tailor dereverberation approaches to automatic speech recognition (ASR) systems, it is important to thoroughly understand the effect of reverberation on ASR performance. In this work, the effect is analyzed by varying the shape of the room impulse response (RIR) using two design parameters that are useful for defining the target response of typical dereverberation algorithms. The parameters determine the amount of attenuation of the coefficients that correspond to reflections arriving with at least a delay of T after the direct-path component. By convolving clean speech signals with the modified RIRs, ideal late-reverberation suppression is simulated. By varying the level of attenuation A and the delay T , the influence of these design parameters on the recognition rates is investigated. Thus, guidelines for adjusting dereverberation algorithms to ASR systems are deduced.


FAU Authors / FAU Editors

Habets, Emanuël Prof. Dr.
Professur für wahrnehmungsbasierte räumliche Audiosignalverarbeitung (AudioLabs) (Stiftungsprofessur)
Kellermann, Walter Prof. Dr.-Ing.
Professur für Nachrichtentechnik
Maas, Roland
Lehrstuhl für Multimediakommunikation und Signalverarbeitung


How to cite

APA:
Sehr, A., Habets, E., Maas, R., & Kellermann, W. (2010). Towards a better understanding of the effect of reverberation on speech recognition performance. In Proc. International Workshop on Acoustic Echo and Noise Control (IWAENC). Tel Aviv, IL: Tel Aviv, Israel.

MLA:
Sehr, Armin, et al. "Towards a better understanding of the effect of reverberation on speech recognition performance." Proceedings of the Proc. International Workshop on Acoustic Echo and Noise Control (IWAENC), Tel Aviv Tel Aviv, Israel, 2010.

BibTeX: 

Last updated on 2019-08-05 at 16:50