A comparative evaluation of techniques for single-frame discrimination of nonstationary sinusoids

  • Authors:
  • Jeremy J. Wells;Damian T. Murphy

  • Affiliations:
  • Audio Lab, Intelligent Systems Group, Department of Electronics, University of York, Heslington, York, UK;Audio Lab, Intelligent Systems Group, Department of Electronics, University of York, Heslington, York, UK

  • Venue:
  • IEEE Transactions on Audio, Speech, and Language Processing
  • Year:
  • 2010

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Abstract

Many spectral analysis and modification techniques require the separation of sinusoidal from nonsinusoidal signal components of a Fourier spectrum. Techniques exist for the estimation of the parameters of nonstationary sinusoids, and for discriminating these from other components, within a single Fourier frame. We present a comparative study of five methods for sinusoidal discrimination, considering their effectiveness and their computational cost.