Corpus ID: 15718507

Passive Hearing Protection Systems and Their Performance

@inproceedings{McKinley2005PassiveHP,
  title={Passive Hearing Protection Systems and Their Performance},
  author={R. McKinley and V. S. Bjorn},
  year={2005}
}
Abstract : While ideally noise should be reduced at the source, in the military environment the most effective solution in terms of both cost and operational effectiveness has been to provide personnel with personal hearing protection. This protection may be in the form of either an earplug that occludes the ear canal or a circumaural protector that inserts a barrier between the ambient noise and the ear. For both devices the level of passive protection provided changes with frequency. A great… Expand
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Modern day high performance aircrafts are more powerful, more efficient, and unfortunately, frequently produce high noise levels resulting in Noise Induced Hearing Loss (NIHL) in the MilitaryExpand
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References

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Passive Hearing Protection Systems and Their Performance
While ideally noise should be reduced at the source, in the military environment the most effective solution in terms of both cost and operational effectiveness has been to provide personnel withExpand
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A theoretical and experimental study with this title was undertaken in the 1952–1953 period and published in the Benox Report [‘‘An Exploratory Study of the Biological Effects of Noise,’’ Univ. ofExpand
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TLDR
The analysis indicates that the REAT method is one of the most accurate available techniques since it assesses all of the sound paths to the occluded ear and, depending upon the experimenter's intention, can reflect actual in-use attenuation as well. Expand
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TLDR
Well-fitted perforated earplugs seem to be able to protect the ear from infrequent exposures to the high-level impulses produced by small and large weapons while allowing good speech communication, and without impairing the operational capacity of soldiers who must remain aware of their acoustic environment. Expand
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Prevention of hearing loss due to noise exposure often means one thing—the consistent and correct use of hearing protection. Since noise‐induced hearing loss has been identified as one of the leadingExpand
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Abstract : The hearing protection ordinarily provided by earmuffs is reduced when worn by persons who also wear eyeglasses because sound enters the device through air leaks around the eyeglass templeExpand
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The present state of passive (linear and non-linear) and active techniques for hearing protection in the military environment is reviewed. Solutions which allow to protect the ear from largeExpand
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Earlier investigators of the free‐field bone‐conduction threshold occluded the auditory meatus with plugs and muffs and reasoned by various arguments that the real‐ear attenuation obtained was lessExpand
The effect of reduced headband force on the attenuation of muff-type protectors
The headband force of five different protectors was decreased in one‐half pound increments until the force was less than one pound. Using a dummy head, the attenuation was measured for each value ofExpand
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Circumaural ear defenders require a cushion which is highly adaptable to the irregular contours of the head so as to provide a good air seal, and yet behaves like a stiff spring so as to minimizeExpand
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