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  • Title: [Improved evaluation of transitory evoked otoacoustic emissions by correlation filtering].
    Author: Zorowka P, Gall V.
    Journal: Laryngorhinootologie; 1993 Jan; 72(1):19-23. PubMed ID: 8439351.
    Abstract:
    Hearing screening as well as evaluation of cochlear function under therapy with ototoxic agents or patients with various diseases is increasingly done by registration of transient evoked otoacoustic emissions (TEOAE). Usually the standard system ILO 88 Otodynamic Analyser is used, where until now emissions were analyzed subjectively. However, evaluation of signals may be difficult mainly in the hearing threshold area. In this article we describe a method to mathematically analyze registered emissions by correlation-filtering. This allows to better identify small specific responses, to further increase the sensitivity of TEOAE, and offers a more objective means for audiologic diagnoses.
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