Signal subspace speech enhancement with perceptual post-filtering

@article{Klein2002SignalSS,
  title={Signal subspace speech enhancement with perceptual post-filtering},
  author={Mark Klein and Peter Kabal},
  journal={2002 IEEE International Conference on Acoustics, Speech, and Signal Processing},
  year={2002},
  volume={1},
  pages={I-537-I-540}
}
A methodology for suppressing musical noise produced by signal subspace speech enhancement is presented. An auditory post-filter is placed at the output of the subspace filter to smooth the enhanced speech spectra. By utilizing a perceptual filter, averaging is performed in a manner similar to that of the human auditory system. As such, distortion to the underlying speech signal is reduced. 
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