Designing the Wiener post-filter for diffuse noise suppression using imaginary parts of inter-channel cross-spectra

@article{Ito2010DesigningTW,
  title={Designing the Wiener post-filter for diffuse noise suppression using imaginary parts of inter-channel cross-spectra},
  author={Nobutaka Ito and Nobutaka Ono and Emmanuel Vincent and Shigeki Sagayama},
  journal={2010 IEEE International Conference on Acoustics, Speech and Signal Processing},
  year={2010},
  pages={2818-2821}
}
This paper describes a new design of the Wiener post-filter for diffuse noise suppression. The Wiener post-filter is well-known as an effective post-processing of the minimum variance distortionless response beamformer, and its output is the optimal estimate of the target signal in the sense of the minimum mean square error. It is essential to accurately estimate the target power spectrum from the observed signals contaminated by noise when designing the Wiener post-filter. In our method, it is… CONTINUE READING
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