15 resultados para Distortion

em School of Medicine, Washington University, United States


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This paper presents information on the reliability of distortion product otoacoustic emissions in children with profound sensorineural hearing losses.

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This paper presents a study investigating the relationship between tympanometry measures of the middle ear and Distortion Product Otoacoustic Emissions (DPOAE) screening, suggesting that using a combination of the two methods in pediatricians’ offices would result in fewer inappropriate referrals for comprehensive hearing evaluations.

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The purpose of this study was to examine objective and subjective distortion present when frequency modulation (FM) systems were coupled with four digital signal processing (DSP) hearing aids. Electroacoustic analysis and subjective listening tests by experienced audiologists revealed that distortion levels varied across hearing aids and channels.

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This paper studies the test-retest reliability of distortion product otoacoustic emissions (DPOAE) in newborns in a neonatal intensive care unit.

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This paper describes a project which set up a system to measure distortion product otoacoustic emissions (DPOAEs) in the Sprague Dawley rat and to conduct a pilot study to measure the development of DPOAEs as a function of age.

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This paper discusses a study done of neonates to determine the differences between ABR and DPOE for hearing screening.

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This paper discusses the effect of noise exposure on high school aged boys' hearing levels and how to measure the effects.

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This paper studies the relationship between hearing sensitivity and the presence of otoacoustic emissions by examining the variability of same ear emissions in a group of normal-hearing subjects.

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This paper examines distortion product otoacoustic emissions (DPOAEs) used to test peripheral auditory function, and how noise level in the ear affects the detectability of DPOAEs. The study examines the clinical feasibility of different time averages at different frequencies on the noise floor.

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This paper is a review of a study on distortion product emissions in normal hearing chinchillas.

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This paper discusses the distortion-product otoacoustic emissions (DPOAE) of chinchillas when exposed to noise.

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Recovery of distortion product otoacoustic emissions in the bullfrog after noise exposure does not correlate with hair cell damage noted on the amphibian papilla.

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This study provides detailed information on the ability of healthy ears to generate distortion product otoacoustic emissions (DPOAEs).

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This paper evaluates the routine of one pediatrics facility interested in incorporating a hearing screening protocol into their practice and suggests such a protocol using distortion product otoacoustic emission tests (DPOAE).

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This paper is a review of a study to determine the sensation level at which the best discrimination and recognition occurs for severely and profoundly deaf children and the effect of distortion (peak clipping) has on the child's ability to recognize speech.