Improving Lpc Spectral Envelope Extraction Of Voiced Speech By True-Envelope Estimation

  title={Improving Lpc Spectral Envelope Extraction Of Voiced Speech By True-Envelope Estimation},
  author={Fernando Villavicencio and Axel R{\"o}bel and Xavier Rodet},
  journal={2006 IEEE International Conference on Acoustics Speech and Signal Processing Proceedings},
n this work we address the problem of all pole spectral envelope estimation for speech signals. The currently widely used all pole spectral envelope model suffers from well-known systematic errors and more severely from model order mismatch. We will propose a procedure to first establish a band limited interpolation of the observed spectrum using a recently rediscovered true envelope estimator and then using the band limited envelope to derive an all pole envelope model named TE-LPC . The band… CONTINUE READING
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