Nonlinear speech processing: overview and possibilities in speech coding

  • Authors:
  • Marcos Faundez-Zanuy

  • Affiliations:
  • Escola Universitària Politècnica de Mataró, Mataro Barcelona, Spain

  • Venue:
  • Nonlinear Speech Modeling and Applications
  • Year:
  • 2005

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Abstract

In this paper we give a brief overview of nonlinear predictive models, with special emphasis on neural nets. Several well known strategies are discussed, such as multi-start random weights initialization, regularization, early stop with validation, committee of neural nets, different architectures, etc. Although the paper is devoted to ADPCM speech coding (scalar and vectorial schemes), this study offers a good chance to deal with nonlinear predictors, as a first step towards a more sophisticated applications. Thus, our main purpose is to state new possibilities for speech coding.