n.
An instrument for measuring hearing activity for pure tones of normally audible frequencies. Also called sonometer.
audiometric au'di·o·met'ric (-ō-mĕt'rĭk) adj.
audiometry au'di·om'e·try n.
audiometer
| Dictionary: au·di·om·e·ter |
(ô'dē-ŏm'ĭ-tər)
n.
An instrument for measuring hearing activity for pure tones of normally audible frequencies. Also called sonometer.
audiometric au'di·o·met'ric (-ō-mĕt'rĭk) adj.
audiometry au'di·om'e·try n.
n.
An instrument for measuring hearing activity for pure tones of normally audible frequencies. Also called sonometer.
audiometric au'di·o·met'ric (-ō-mĕt'rĭk) adj.
audiometry au'di·om'e·try n.
| 5min Related Video: audiometer |
| Dental Dictionary: audiometer |
(ôdē-om′ətər)
n
n
A device for testing hearing; calibrated to register hearing loss in terms of decibels.
| Sports Science and Medicine: audiometer |
An instrument for measuring the level of human hearing.
| World of the Mind: audiometer |
Electronic instrument used for testing hearing. A simple audiometer is an oscillator having about ten pre-set frequencies in the range 500 to 8,000 hertz, and a stepped attenuator so that tone detection thresholds can be measured in decibels. More elaborate instruments combine noise masking (for measuring recruitment, which is associated with sensory neural deafness). The most sophisticated is the Békésy audiometer, in which the patient, or subject of an experiment, tracks a continuously changing tone, his responses being recorded with an automatic plotter. Audiometry may test for word recognition, and it may introduce more or less normal confusing sounds. It can be most useful for distinguishing various kinds of hearing impairment.
(Published 1987)
(Published 1987)
| Veterinary Dictionary: audiometer |
Instrument used to measure the quality of a patient's hearing.
| Wikipedia: Audiometer |
An audiometer is a machine used for evaluating hearing loss. The invention of this machine is generally credited to Dr. Harvey Fletcher of Brigham Young University. Audiometers are standard equipment at ENT clinics and in audiology centers. They usually consist of an embedded hardware unit connected to a pair of headphones and a feedback button, sometimes controlled by a standard PC. Audiometer requirements and the test procedure are specified in IEC 60645, ISO 8253, and ANSI S3.6 standards. Audiometer were originally invented by Alexander Graham Bell An alternative to hardware audiometers are software audiometers, which are available in many different configurations.
Screening PC-based audiometers use a standard computer and can be run by anybody in their home to test their hearing, although their accuracy is not as high due to lack of a standard for calibration. Some of these audiometers are even available on a handheld Windows driven device.
Clinical PC-based audiometers are generally more expensive than software audiometers, but are much more accurate and efficient. They are most commonly used in hospitals, audiology centers and research communities. These audiometers are also used to conduct Industrial Audiometric Testing. Because these audiometers can be calibrated to 1/10 of a dB, calibration is more accurate than hardware audiometers. Some audiometers even provide a software developer's kit that provides researchers with the capability to create their own diagnostic tests.
References
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External links
- [1] National Physics Laboratory Guidelines on Audiometric Calibration
- MedlinePlus Encyclopedia 003341
- Department of Communication Disorders at BYU - Audiology department at BYU
- DK-Technologies A/S - Audio meters for studio and broadcast use. (Commercial)
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 | Audiometry (in medicine) |
| Bell, Alexander Graham (Scottish-born American inventor of the telephone) |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Dental Dictionary. Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved. Read more |
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| Sports Science and Medicine. The Oxford Dictionary of Sports Science & Medicine. Copyright © Michael Kent 1998, 2006, 2007. All rights reserved. Read more |
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| World of the Mind. The Oxford Companion to the Mind. Second Edition. Copyright © Oxford University Press, 2004. All rights reserved. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Audiometer". Read more |
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Mentioned in
- Audiometry (in medicine)
- Bell, Alexander Graham (Scottish-born American inventor of the telephone)
- hearing
- Georg von Békésy
