Results 271 to 280 of about 1,811,541 (320)
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High rate otoacoustic emissions
The Journal of the Acoustical Society of America, 1993One of the practical problems of testing young children using evoked otoacoustic emissions (EOAEs) is that there is a need for the child to be quiet for a period of a minute or so. To achieve this can mean test periods of 10 min or longer. A new application of maximum length sequences (MLSs) to EOAEs is described that enables the test to be performed ...
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Chirp evoked otoacoustic emissions
Hearing Research, 1994The principles of short frequency sweeps (chirps) and their application to evoke transiently evoked otoacoustic emissions (TEOAE) are developed in comparison to using standard click stimuli. In contrast to click stimuli, chirp signals have the advantage of stimulating a freely selectable frequency range.
Birger Kollmeier +2 more
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Journal of the Acoustical Society of America, 2008
The complex input/output function of transient evoked otoacoustic emissions is evaluated at different stimulus levels. The experimental response functions were best fitted to the reflectivity functions predicted by theoretical one-dimensional ...
R. Sisto, A. Moleti
semanticscholar +1 more source
The complex input/output function of transient evoked otoacoustic emissions is evaluated at different stimulus levels. The experimental response functions were best fitted to the reflectivity functions predicted by theoretical one-dimensional ...
R. Sisto, A. Moleti
semanticscholar +1 more source
Transient evoked otoacoustic emission latency and cochlear tuning at different stimulus levels.
Journal of the Acoustical Society of America, 2007Cochlear latency has been evaluated in young adults by time-frequency analysis of transient evoked otoacoustic emissions recorded using the nonlinear acquisition mode at different levels of the click stimulus.
R. Sisto, A. Moleti
semanticscholar +1 more source
Otoacoustic emission sensitivity to low levels of noise-induced hearing loss.
Journal of the Acoustical Society of America, 2007With the aim of investigating the capability of otoacoustic emission (OAE) in the detection of low levels of noise-induced hearing loss, audiometric and otoacoustic data of young workers (age: 18-35) exposed to different levels of industrial noise have ...
R. Sisto +9 more
semanticscholar +1 more source
The effects of anesthesia on otoacoustic emissions
Hearing Research, 1997We have measured transient-evoked and distortion-product otoacoustic emissions (OAEs) in the chinchilla and compared them in the awake and anesthetized animal (using either ketamine or barbiturate agents). We report a significant increase in OAE amplitudes during anesthesia, particularly using ketamine.
Noam Harel +4 more
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Journal of the Acoustical Society of America, 1998
The 2 f1-f2 distortion product otoacoustic emission (DP) was measured in 20 normal hearing subjects and 15 patients with moderate cochlear hearing loss and compared to the pure-tone hearing threshold, measured with the same probe system at the f2 ...
P. Kummer, T. Janssen, W. Arnold
semanticscholar +1 more source
The 2 f1-f2 distortion product otoacoustic emission (DP) was measured in 20 normal hearing subjects and 15 patients with moderate cochlear hearing loss and compared to the pure-tone hearing threshold, measured with the same probe system at the f2 ...
P. Kummer, T. Janssen, W. Arnold
semanticscholar +1 more source
Spontaneous otoacoustic emissions in a dog
Hearing Research, 1984Intense (up to 59 dB SPL) spontaneous otoacoustic emissions are produced by both ears of a young dog. The right ear produces a single, very narrow-band (less than 4 Hz) emission at about 9100 Hz. Brainstem evoked-response audiometry suggests that this emission is generated near the transition between normal and abnormal regions of the cochlea.
Mario A. Ruggero +2 more
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Journal of the Acoustical Society of America, 2007
In transmission-line models of cochlear mechanics, predictions about otoacoustic-emission delays depend on the place- or wave-fixed nature of the emission generation mechanism.
R. Sisto, A. Moleti, C. Shera
semanticscholar +1 more source
In transmission-line models of cochlear mechanics, predictions about otoacoustic-emission delays depend on the place- or wave-fixed nature of the emission generation mechanism.
R. Sisto, A. Moleti, C. Shera
semanticscholar +1 more source
Spontaneous otoacoustic emissions in schoolchildren
International Journal of Pediatric Otorhinolaryngology, 2016Spontaneous otoacoustic emissions (SOAEs) are one of the least studied types of otoacoustic emissions (OAEs). The purpose of this study was twofold: first, to determine the prevalence of SOAEs in schoolchildren, and second to test whether there was dependence between the presence or absence of SOAEs in a subject and the corresponding level of their ...
W. Wiktor Jedrzejczak +3 more
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