Experimental Study of Robust Beamforming Techniques for Acoustic Applications

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4 Citationer (Scopus)

Resumé

In this paper, we investigate robust beamforming techniques for wideband signal processing in noisy and reverberant environments. In such environments, steering vector estimation errors are inevitable, leading to a degradation of the beamformer performance. Here, we study two types of beamformers that are robust against steering vector estimation errors. The first type includes robust
Capon beamformers, where the underlying principle is to add a steering vector uncertainty constraint and/or a norm constraint to the optimization problem to improve the beamformer’s robustness. The second type is the amplitude and phase estimation method, which utilizes both temporal and spatial smoothing. Experiments are presented to demonstrate the performance of the considered robust beamformers in acoustic environments. The results show that the robust beamformers outperform the non-robust beamformers in terms of predicted speech quality and intelligibility for different steering vector and covariance matrix estimation errors.
OriginalsprogEngelsk
Titel2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA)
ForlagIEEE
Publikationsdatookt. 2017
Sider86-90
ISBN (Elektronisk)978-1-5386-1632-1
DOI
StatusUdgivet - okt. 2017
Begivenhed2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics - Mohonk Mountain House, New Paltz, USA
Varighed: 15 okt. 201718 okt. 2017
http://www.waspaa.com/

Workshop

Workshop2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics
LokationMohonk Mountain House
LandUSA
ByNew Paltz
Periode15/10/201718/10/2017
Internetadresse
NavnI E E E Workshop on Applications of Signal Processing to Audio and Acoustics
ISSN1931-1168

Fingerprint

Beamforming
Acoustics
Error analysis
Speech intelligibility
Covariance matrix
Signal processing
Degradation
Experiments

Emneord

  • Microphone array
  • Capon beamforming
  • steering vector error
  • robust beamforming
  • APES beamforming

Citer dette

Zhao, Y., Jensen, J. R., Christensen, M. G., Doclo, S., & Chen, J. (2017). Experimental Study of Robust Beamforming Techniques for Acoustic Applications. I 2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA) (s. 86-90). IEEE. I E E E Workshop on Applications of Signal Processing to Audio and Acoustics https://doi.org/10.1109/WASPAA.2017.8170000
Zhao, Yingke ; Jensen, Jesper Rindom ; Christensen, Mads Græsbøll ; Doclo, Simon ; Chen, Jingdong. / Experimental Study of Robust Beamforming Techniques for Acoustic Applications. 2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA). IEEE, 2017. s. 86-90 (I E E E Workshop on Applications of Signal Processing to Audio and Acoustics).
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title = "Experimental Study of Robust Beamforming Techniques for Acoustic Applications",
abstract = "In this paper, we investigate robust beamforming techniques for wideband signal processing in noisy and reverberant environments. In such environments, steering vector estimation errors are in- evitable, leading to a degradation of the beamformer performance. Here, we study two types of beamformers that are robust against steering vector estimation errors. The first type includes robust Capon beamformers, where the underlying principle is to add a steering vector uncertainty constraint and/or a norm constraint to the optimization problem to improve the beamformer’s robustness. The second type is the amplitude and phase estimation method, which utilizes both temporal and spatial smoothing. Experiments are presented to demonstrate the performance of the considered ro- bust beamformers in acoustic environments. The results show that the robust beamformers outperform the non-robust beamformers in terms of predicted speech quality and intelligibility for different s- teering vector and covariance matrix estimation errors.",
keywords = "Microphone array, Capon beamforming, steering vector error, robust beamforming, APES beamforming",
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Zhao, Y, Jensen, JR, Christensen, MG, Doclo, S & Chen, J 2017, Experimental Study of Robust Beamforming Techniques for Acoustic Applications. i 2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA). IEEE, I E E E Workshop on Applications of Signal Processing to Audio and Acoustics, s. 86-90, 2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, New Paltz, USA, 15/10/2017. https://doi.org/10.1109/WASPAA.2017.8170000

Experimental Study of Robust Beamforming Techniques for Acoustic Applications. / Zhao, Yingke; Jensen, Jesper Rindom; Christensen, Mads Græsbøll; Doclo, Simon; Chen, Jingdong.

2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA). IEEE, 2017. s. 86-90 (I E E E Workshop on Applications of Signal Processing to Audio and Acoustics).

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

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Zhao Y, Jensen JR, Christensen MG, Doclo S, Chen J. Experimental Study of Robust Beamforming Techniques for Acoustic Applications. I 2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA). IEEE. 2017. s. 86-90. (I E E E Workshop on Applications of Signal Processing to Audio and Acoustics). https://doi.org/10.1109/WASPAA.2017.8170000