EGG signal classification using statistical analysis

G. Subramanya Nayak, C. Puttamadappa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The method is used to register the laryngeal behavior indirectly by measuring change in the electrical impedance across the throat during speech or voice. In this Electroglottography (EGG) signal acquisition, the electrodes are made of steel. They have the form of rectangles covering an area of 10.75 cm2. It is designed as a ring electrode encircling each of the two other electrodes. The electrodes are mounted on a flexible band whose length is adjusted to hold the electrodes in a steady position and to still allow the subject to comfortably speak and breathe naturally. The electrodes are mounted on a small holder which is pressed against the throat by hand. A signal generator supplies an AC sinusoidal current usually ranging from 2 MHz. The RF carrier signal is amplitude modulated by the modulating speech/voice signal and the demodulated signal is extracted. The variations in the signal correspond to the vocal fold abduction/laryngeal movement. For normal and pathology conditions, the results are recorded. These values form a feature vector, which reveals information regarding pathology. Principal component analysis technique (PCA) is used for classification, giving successful results for the specific data set considered.

Original languageEnglish
Pages (from-to)5432-5441
Number of pages10
JournalInternational Journal of Physical Sciences
Volume6
Issue number23
Publication statusPublished - 09-10-2011

Fingerprint

statistical analysis
Statistical methods
Electrodes
electrodes
throats
pathology
Pathology
signal generators
Signal generators
Acoustic impedance
rectangles
Steel
registers
holders
principal components analysis
electrical impedance
Principal component analysis
acquisition
alternating current
coverings

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Physics and Astronomy(all)

Cite this

Subramanya Nayak, G., & Puttamadappa, C. (2011). EGG signal classification using statistical analysis. International Journal of Physical Sciences, 6(23), 5432-5441.
Subramanya Nayak, G. ; Puttamadappa, C. / EGG signal classification using statistical analysis. In: International Journal of Physical Sciences. 2011 ; Vol. 6, No. 23. pp. 5432-5441.
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Subramanya Nayak, G & Puttamadappa, C 2011, 'EGG signal classification using statistical analysis', International Journal of Physical Sciences, vol. 6, no. 23, pp. 5432-5441.

EGG signal classification using statistical analysis. / Subramanya Nayak, G.; Puttamadappa, C.

In: International Journal of Physical Sciences, Vol. 6, No. 23, 09.10.2011, p. 5432-5441.

Research output: Contribution to journalArticle

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Subramanya Nayak G, Puttamadappa C. EGG signal classification using statistical analysis. International Journal of Physical Sciences. 2011 Oct 9;6(23):5432-5441.