A new discrete spectral modeling method and an application to CELP coding

@article{Wei2003AND,
  title={A new discrete spectral modeling method and an application to CELP coding},
  author={Bo Wei and J. Gibson},
  journal={IEEE Signal Processing Letters},
  year={2003},
  volume={10},
  pages={101-103}
}
In this letter, a new discrete spectral modeling method is proposed based on a comparison of distance measure performance in an adaptive filtering context. It is shown that a new fast converging adaptive algorithm yields a more accurate estimate of the spectral envelope of the speech spectrum by minimizing COSH distance rather than the Itakura-Saito distance measure. We apply discrete spectral all-pole modeling to code-excited linear predictive coding by refining the short-term synthesis filter… CONTINUE READING

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