SYMPOSIUM ON HEARING LOSS ??? THE OTOLARYNGOLOGIST??S RESPONSIBILITY
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چکیده
منابع مشابه
THE EFFECT OF NOISE-INDUCED HEARING LOSS ON DENTISTS
This paper presents noise problems associated with the use of air-turbine drills in dental practice. Two hundred and fifty dentists (male and female) were randomly selected from the faculty of dentistry as well as the dentists who worked private in Tehran. The results indicated that the mean value of sound pressure level produced by the high-speed drills was 69.1 db. Most of the energy from...
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The loudness of a sound is its perceived intensity. A just-noticeable difference (JND) in intensity has a corresponding JND in loudness. We will interpret loudness and the loudness JND as the first and second moments of a random decision variable, which we call the single-trial loudness . This interpretation, combined with signal detection theory, allows us to relate the loudness of tones and n...
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An acoustic stimulus is presented to the external auditory canal; energy is transferred from the ear canal through the middle ear, some of which is reflected and some absorbed by the tympanic membrane and external ear structures. The premise behind the immittance instrumentation used to measure the acoustic reflex is the ability to accurately measure changes in reflected energy occurring from s...
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ژورنال
عنوان ژورنال: The Laryngoscope
سال: 1978
ISSN: 0023-852X
DOI: 10.1288/00005537-197806000-00006