Design of Robust Broadband Beamformers With Passband Shaping Characteristics Using Tikhonov Regularization

@article{Chen2009DesignOR,
  title={Design of Robust Broadband Beamformers With Passband Shaping Characteristics Using Tikhonov Regularization},
  author={Huawei Chen and Wee Ser},
  journal={IEEE Transactions on Audio, Speech, and Language Processing},
  year={2009},
  volume={17},
  pages={665-681}
}
Broadband beamformers are known to be highly sensitive to the errors in microphone array characteristics, especially for small-sized microphone arrays. This paper proposes an algorithm for the design of robust broadband beamformers with passband shaping characteristics using Tikhonov regularization method by taking into account the statistics of the microphone characteristics. To facilitate the derivation, a weighted least squares based broadband beamforming algorithm with passband shaping… CONTINUE READING
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