Computer methods for on & hyphen; Line hearing testing with auditory brain stem responses

Ozcan Ozdamar, Rafael E. Delgado, Rebecca E. Eilers, Judith E. Widen

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

On-line computer methods were developed and evaluated for automated hearing testing with auditory brain stem responses (ABR). The system contained (1) a response recognition unit which recognized the presence or absence of an ABR response and (2) a threshold tracking unit which adjusted stimulus intensity and determined the ABR threshold. Two methods, one nontemplate (variance ratio) and one template (cross-correlation), were evaluated for response recognition while three threshold tracking methods were explored: clinical, Bekesy, and PEST (parameter estimation by sequential testing). Both response recognition and threshold tracking units were evaluated by computer simulations for on-line operation using a standard set of experimentally recorded ABRs. The results indicated that while all the response recognition methods were reasonably accurate, their on-line use resulted in significant differences in test efficiency due to differences in tracking methods.

Original languageEnglish (US)
Pages (from-to)417-429
Number of pages13
JournalEar and hearing
Volume11
Issue number6
DOIs
StatePublished - Dec 1990

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing

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