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The effects of window delay, delinearization, and frequency on tone-burst otoacoustic emission input/output
Michael Epstein1, Søren Buus, Mary Florentine
1Institute of Hearing, Speech & Language and Communications & Digital Signal Processing Center, Electrical & Computer Engineering Department (440 DA), Northeastern University, Boston, Massachusetts 02115, USA. mepstein@ece.neu.edu
Abstract:
Tone-burst otoacoustic emissions (TBOAEs) are a potential tool for objectively examining cochlear activity in humans. However, their use requires knowledge of how the TBOAE input/output depends on measurement and analysis paradigms. The present experiment examined the effect of variations in response-window timing, response delinearization, and local changes in stimulus frequency on TBOAE input/output measurement. None of these experimental manipulations had a profound effect on TBOAE measurements as long as reasonable parameter choices were made. Nonetheless, judicial choice of the experimental parameters can optimize the assessment of BM I/O functions. It is concluded that the consistency of TBOAE I/O across the parameters tested makes it a viable tool to consider for examining human cochlear activity.
