Sciences & technologie. B, Sciences de l’ingénieur
Volume 0, Numéro 27, Pages 87-92
2008-06-30

Quadratic Nonlinearity Detection In Speech Sound



Authors : Maalem H . Marir F .

Abstract

The purpose of this paper is to describe the bispectrum analysis application for detecting quadratic phase coupling (QPC) in speech signal. This information may provide clues about how to construct new models of speech production including quadratic nonlinearities, called autoregressive quadratic (ARQ), which can replace existing linear models.

Keywords

phonemes, formants, cumulants, bispectrum, QPC, autoregressive model, autoregressive quadratic.

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