4 resultados para Ultrasonic transducers

em School of Medicine, Washington University, United States


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This paper studies the efficacy of a bone-conducted transducer compared to a traditional air conduction transducer for auditory brainstem response screening of newborns.

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The purpose of this pilot study was to survey dentists in the St. Louis area to assess their subjective opinion of commonly used dental handpieces as well as history of noise exposure and use of hearing protection. Selected handpieces were then chosen to measure their output levels and determine if emissions are hazardous to the auditory system.

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The notion that the default telecoil (t-coil) frequency response should match the programmed microphone frequency response to provide optimal telephone understanding for hearing aid patients has received little attention. This study addresses differences in the average frequency response of the two transducers in behind-the-ear (BTE) hearing aids.