Measurement of signal and noise characteristics in ongoing auditory brainstem response averaging

Özcan Özdamar; Rafael E. Delcado

doi:10.1007/bf02684183

Measurement of signal and noise characteristics in ongoing auditory brainstem response averaging

Özcan Özdamar, Rafael E. Delcado

Biomedical Engineering

Research output: Contribution to journal › Article

25 Scopus citations

Abstract

Although diagnostic testing with auditory evoked potentials (EPs) has become routine, quantitative measurements of signal and noise are still lacking. In this study, current signal, power, noise power, and signal-to-noise ratio (SNR) estimation formulas are reviewed and applied to auditory brainstem response averaging. Single-sweep responses to individual sound stimuli are recorded and estimation formulas are evaluated during off-line averaging under various sound level and noise conditions. The results show that the quality of the averaged EP can be quantitatively assessed by the continuous display of the SNR and residual noise estimates during the averaging process. This method also allows the study of different types of averaging techniques to improve EP response acquisition.

Original language	English (US)
Pages (from-to)	702-715
Number of pages	14
Journal	Annals of biomedical engineering
Volume	24
Issue number	6
DOIs	https://doi.org/10.1007/bf02684183
State	Published - Jan 1 1996

Keywords

Artifact rejection
Auditory brainstem response
Averaging
Evoked potential
SNR

ASJC Scopus subject areas

Biomedical Engineering

Access to Document

10.1007/bf02684183

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Özdamar, Ö., & Delcado, R. E. (1996). Measurement of signal and noise characteristics in ongoing auditory brainstem response averaging. Annals of biomedical engineering, 24(6), 702-715. https://doi.org/10.1007/bf02684183

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