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Acoustic method for calibration of audiometric bone vibrators
https://pubmed.ncbi.nlm.nih.gov/22352496/
Abstract. The standard method for the calibration of audiometric bone vibrators requires the use of an artificial mastoid, a device that converts vibratory energy to an electrical analog. The mechanical input impedance of the device is designed to represent the average mechanical impedance of the human head. For calibration purposes, it is not necessary that the coupling …
A New Audiometric Bone Vibrator, Radioear B81, and the ...
https://publications.lib.chalmers.se/records/fulltext/213203/213203.pdf
The audiometric bone vibrator Radioear B81 was found to have an im-proved low frequency performance and can produce higher output levels with less harmonic distortion than was possible before. In a clinical study of the rst six patients, it was found that the BCI is a realistic alternative to already commercially available BCDs.
Shock-test Evaluation of The Audiometric Bone Vibrator ...
https://publications.lib.chalmers.se/records/fulltext/200473/200473.pdf
used to stimulate the inner ear (cochlea) by creating vibrations in the skull bone. The results of the patient's ability to hear the AC and BC sound is then compared in an audiogram. The bone vibrator is either attached to the patient's forehead or to the mastoid portion of the temporal bone behind the ear pinna.
US20130039520A1 - Calibration of Audiometric Bone ...
https://patents.google.com/patent/US20130039520A1/en
Signals were delivered by a clinical audiometer (Madsen Aurical) to a bone vibrator (Radioear B-71) coupled to the sound level meter with the two coupling devices for …
Acoustic method for calibration of audiometric bone ...
https://asa.scitation.org/doi/10.1121/1.4804944
This standard electromechanical method for audiometric bone vibrator calibration has utilized predominantly the Bruel & Kjaer type 4930 artificial mastoid. The artificial mastoid converts the mechanical signal produced by the bone vibrator to an electrical analog signal which is measured by a device such as a volt meter, oscilloscope, or sound level meter.
Bone Vibrators In General - Ortofon
https://www.ortofon.com/microtech/bone-conductors/bone-vibrators-in-general
Bone conductor is a small vibrator connected to a hearing aid A bone conductor produces vibrations that are transmitted through the skull to the inner ear, where they are perceived as sound. Ortofon Bone Conductor is a very powerful and very robust device featuring: • High maximum output • Low distortion • High sensitivity • Very robust product
Administering audiometric speech tests via bone conduction ...
https://pubmed.ncbi.nlm.nih.gov/2073978/
This study compared the intelligibility of speech delivered via three transducers: a TDH-39 earphone, a Pracitronic KH 70 bone vibrator, and a Radioear B-72 bone vibrator. CID W-1 spondees were presented to normal-hearing listeners via each transducer over a range of intensity levels. Functions rela …
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