Factor analysis based VTS and JUD noise estimation and compensation

@article{Flego2011FactorAB,
  title={Factor analysis based VTS and JUD noise estimation and compensation},
  author={Federico Flego and Mark J. F. Gales},
  journal={2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2011},
  pages={4792-4795}
}
Model based compensation schemes are a powerful approach for noise robust speech recognition. Recently there have been a number of investigations into adaptive training, and estimating the noise models used for model adaptation. This paper examines the use of EM-based schemes for both canonical models and noise estimation, including discriminative adaptive training. One issue that arises when estimating the noise model is a mismatch between the noise estimation approximation and final model… CONTINUE READING

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