Perceptual linear predictive (PLP) analysis of speech.

@article{Hermansky1990PerceptualLP,
  title={Perceptual linear predictive (PLP) analysis of speech.},
  author={Hynek Hermansky},
  journal={The Journal of the Acoustical Society of America},
  year={1990},
  volume={87 4},
  pages={1738-52}
}
  • Hynek Hermansky
  • Published 1990 in The Journal of the Acoustical Society of America
A new technique for the analysis of speech, the perceptual linear predictive (PLP) technique, is presented and examined. This technique uses three concepts from the psychophysics of hearing to derive an estimate of the auditory spectrum: (1) the critical-band spectral resolution, (2) the equal-loudness curve, and (3) the intensity-loudness power law. The auditory spectrum is then approximated by an autoregressive all-pole model. A 5th-order all-pole model is effective in suppressing speaker… CONTINUE READING
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