Using Otoacoustic Emissions as a Biometric

  • Matthew A. Swabey
  • Stephen P. Beeby
  • Andrew D. Brown
  • John E. Chad
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3072)


This paper presents research into using otoacoustic emissions (OAE) as a biometric. OAE are a group of sounds emitted by the cochlea of the ear. The main types are spontaneous OAE which are continuously emitted and the transient and distortion product types emitted after stimulation. In this paper the characteristics of OAE are discussed to identify the most suitable emission for use as a physiological biometric. The uniqueness of transient OAE are characterised from a data set of 2009 random individuals by a closed rank test. Details of a low-cost portable prototype OAE acquisition system developed at Southampton University are discussed.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Matthew A. Swabey
    • 1
  • Stephen P. Beeby
    • 1
  • Andrew D. Brown
    • 1
  • John E. Chad
    • 2
  1. 1.School of Electronics and Computer ScienceUniversity of SouthamptonSouthamptonUK
  2. 2.School of Biomedical SciencesUniversity of SouthamptonSouthamptonUK

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