Online Maximization of Subband Kurtosis for Blind Adaptive Beamforming in Realtime Speech Extraction

@article{Sallberg2007OnlineMO,
  title={Online Maximization of Subband Kurtosis for Blind Adaptive Beamforming in Realtime Speech Extraction},
  author={B. Sallberg and Nedelko Grbic and Ingvar Claesson},
  journal={2007 15th International Conference on Digital Signal Processing},
  year={2007},
  pages={603-606}
}
This paper presents a method for blind beamforming with application in realtime speech extraction in a non-stationary environment. The blind beamforming is carried out using an online kurtosis maximization approach where the optimization is based on Newton's method. The main novelty of the paper lies in the formulation of the subband kurtosis approximation, where a locally quadratic criterion is solved at each iteration. Further, a real-time digital signal processor (DSP) implementation of the… CONTINUE READING
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