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OCCUPATIONAL HEARING CONSERVATION |
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Acoustics for Hearing Protection Devices |
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by Marshall Chasin, AuD |
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By envisioning three fairly straightforward physical laws, one can become an expert (or at least well-versed) in the acoustic properties of HPDs. |
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OCCUPATIONAL HEARING CONSERVATION |
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Earmuffs: A Primer |
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by Brad Witt, MA |
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Earmuffs offer some tremendous benefits for the workplace as well as recreational and non-occupational applications. The innovations in design continue to make earmuffs a vital tool in hearing loss prevention. |
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OCCUPATIONAL HEARING CONSERVATION |
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Hearing Protection Devices: Current Standards and Pending Development |
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by Lee D. Hager |
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Only by understanding how HPDs are evaluated and used can hearing conservation professionals effectively select HPDs appropriate for noise-exposed workers. |
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OCCUPATIONAL HEARING CONSERVATION |
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Hearing Protection Devices: Do We Choose and Use Them Properly? |
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by Alberto Behar, PEng |
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Sound attenuation, comfort, and a good hearing conservation program are critical to protecting hearing. |
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OCCUPATIONAL HEARING CONSERVATION |
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Firearms and Hearing Protection |
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by William J. Murphy, PhD; David C. Byrne, MS; and John R. Franks, PhD |
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The combined use of earplugs and earmuffs may be the only effective solution to safeguard against the high-impulse SPLs generated by gunfire for police, military personnel, and shooting enthusiasts. |
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OCCUPATIONAL HEARING CONSERVATION |
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Uniform Attenuation Hearing Protection Devices |
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by Patricia A. Niquette, MA |
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A flat-attenuation earplug preserves the tonal balance of music and the clarity of speech, resulting in sound that has the same quality as the original, only quieter. |
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OCCUPATIONAL HEARING CONSERVATION |
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Introducing F-MIRE Testing: Background and Concepts |
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by Elliott H. Berger, MS |
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F-MIRE utilizes a miniature dual-element microphone to simultaneously measure the sound pressure levels in the ear canal under the hearing protector, as well as those outside the hearing protection device. |
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EVENTS AND NEW TECHNOLOGY |
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HR 2007 AAA Preview |
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A sneak-peek at the latest products and services offered at the AAA Convention in Denver. |
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EVENTS AND NEW TECHNOLOGY |
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Critical Factors in Ensuring Efficacy of Frequency Transposition |
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by Francis Kuk, PhD |
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Part 1 of a 2-part series: Individualizing the start frequency. |
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