The SIGMA Algorithm: A Glottal Activity Detector for Electroglottographic Signals

@article{Thomas2009TheSA,
  title={The SIGMA Algorithm: A Glottal Activity Detector for Electroglottographic Signals},
  author={Mark R. P. Thomas and Patrick A. Naylor},
  journal={IEEE Transactions on Audio, Speech, and Language Processing},
  year={2009},
  volume={17},
  pages={1557-1566}
}
Accurate estimation of glottal closure instants (GCIs) and opening instants (GOIs) is important for speech processing applications that benefit from glottal-synchronous processing. The majority of existing approaches detect GCIs by comparing the differentiated EGG signal to a threshold and are able to provide accurate results during voiced speech. More recent algorithms use a similar approach across multiple dyadic scales using the stationary wavelet transform. All existing approaches are… CONTINUE READING
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