Switched Scalar Optimal u-law Quantization with Adaptation Performed to both the Variance and the Distribution of Speech Signal

  • Goran M. Petkovic College of Applied Studies
  • Zoran H. Peric
  • Leonid V. Stoimenov
Keywords: Signal processing algorithms, adaptive quantization, speech processing, signal to noise ratio

Abstract

This paper proposes a new model of switching scalar quantization that besides the usual adaptation to the variance uses a switching technique for adaptation to the distribution of the speech signal source. By applying the new model a smaller quantization errors achieved in comparison to the conventional models with a usual adaptation.

DOI: http://dx.doi.org/10.5755/j01.eee.22.1.14111

Published
2016-02-05
Section
SIGNAL TECHNOLOGY