These Matlab codes are the implementation of the TASLP paper, "Speech enhancement based on student t modeling of Teager energy operated perceptual wavelet packet coefficients and a custom thresholding function". In this paper, we showed how the student t distribution can be used to model the perceptual wavelet packet coefficients and how a proper thresholding based on that perform speech enhancement in an efficient way. Teager energy has been used to amplify the difference between the noisy and clean signal coefficients.
The link to the paper in pdf:
https://www.researchgate.net/profile/Md_Tauhidul_Islam2/publications

or Matlab code in file exchange:
http://www.mathworks.com/matlabcentral/fileexchange/55030-speech-enhancement-based-on-student-t-modeling-of-te-operated-pwp-coefficients

Please do not forget to cite our paper when you use our code.

Features

  • wavelet packet
  • perceptual wavelet
  • speech processing
  • student t
  • speech enhancement
  • matlab speech
  • speaker recognition
  • denoising
  • speech denoising
  • kullback liebler
  • thresholding
  • soft threshold
  • semisoft threshold
  • hard threshold

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2016-01-22
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