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An adaptive panoramic filter bank as a qualitative model of the filtering system of the cochlea: The peculiarities in linear and nonlinear mode
Department of Electrical and Control Equipment, Kaunas University of Technology, Kaunas, Lithuania.
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Intelligent systems (IS-lab).ORCID iD: 0000-0003-2185-8973
Department of Electrical and Control Equipment, Kaunas University of Technology, Kaunas, Lithuania.
Department of Physiology, Lithuanian University of Health Sciences, Kaunas, Lithuania.
2012 (English)In: Medical Engineering and Physics, ISSN 1350-4533, E-ISSN 1873-4030, Vol. 34, no 2, 187-194 p.Article in journal (Refereed) Published
Abstract [en]

Outer hair cells in the cochlea of the ear, together with the local structures of the basilar membrane, reticular lamina and tectorial membrane constitute the adaptive primary filters (PF) of the second order. We used them for designing a serial-parallel signal filtering system. We determined a rational number of the PF included in Gaussian channels of the system, summation weights of the output signals, and distribution of the PF along the basilar membrane. A Gaussian panoramic filter bank each channel of which consists of five PF is presented as an example. The properties of the PF, the channel and the filter bank operating in the linear and nonlinear modes are determined during adaptation and under efferent control. The results suggest that application of biological filtering principles can be useful for designing cochlear implants with new speech encoding strategies. © 2011 IPEM.

Place, publisher, year, edition, pages
Oxford: Elsevier, 2012. Vol. 34, no 2, 187-194 p.
Keyword [en]
Inner ear, Motility of OHC, Lateral inhibition, Auditory filter bank, Cochlear implants
National Category
Otorhinolaryngology
Identifiers
URN: urn:nbn:se:hh:diva-16138DOI: 10.1016/j.medengphy.2011.07.009ISI: 000301473200007PubMedID: 21803637Scopus ID: 2-s2.0-84856951169OAI: oai:DiVA.org:hh-16138DiVA: diva2:438933
Note

Funding: Research Council of Lithuania; grant number MIP-46/2010

Available from: 2011-09-06 Created: 2011-09-06 Last updated: 2017-04-13Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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