hearing protector

hear·ing pro·tec·tor

(hēr'ing prŏ-tek'tŏr)
Occlusive devices for the external auditory canal made of pliable material or fluid (usually glycerin)-filled ear muffs for protection against noise-induced hearing loss.
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References in periodicals archive ?
Since 1974, the United States Environmental Protection Agency (EPA) has used the Noise Reduction Rating (NRR) as its yardstick to measure hearing protector effectiveness in reducing noise levels.
Proposed changes to the EPA Noise Reduction Rating
To make it easier to meet the protection requirement, every mortar crewmember is now authorized an "earmuff' hearing protector headset, NSN 4240-01-538-7970, for $16.95.
New stuff for mortars
Mean elevation errors were subjected to a similar analysis, revealing a significant main effect of hearing protector, F(2, 10) = 74.20, p [less than] .05.
ERRATUM
One being looked at is a combination hard-hat, face protector, hearing protector and communications package for fire fighters and mine workers.
PRO EARS HEARING PROTECTION GROWS
Each system comes with a projector, cart, tablet, camera, gaming software and one Peltor Sport Tactical 500 electronic Bluetooth hearing protector.
Bringing "Fun" Back To The Shooting Sports
OTIS TECHNOLOGY HAS A NEW HEARING PROTECTOR CALLED THE EAR SHIELD.
Otis Ear Shield
The ideal hearing protector should not block all sound (overprotection), but rather reduce hazardous noise levels while still allowing a worker to hear the sounds that are critical to the job: coworkers, warning signals and equipment maintenance sounds.
Making assumptions can be dangerous!
Effectiveness of hearing protector devices in impulse noise verified with transiently evoked and distortion product otoacoustic emissions.
Evaluation of hearing-protector insertion in groups with and without training/Avaliacao da colocacao de protetores auriculares em grupos com e sem treinamento
There are two basic approaches to protect product from stray hearing protectors: the first is to keep the hearing protector from falling into the product in the first place; and the second is to make it easily detectable if it does.
Hearing protection requirements for food manufacturing
Three hearing protector conditions (unoccluded, earplugs, and earmuffs) were combined factorially with three source elevation conditions (upper hemisphere, pen-horizontal region, and lower hemisphere) for a total of nine experimental conditions.
Effects of Hearing Protectors on Auditory Localization in Azimuth and Elevation
Tying this all together, if you're working with a circular saw screaming at 110 db, you need a hearing protector rated at 25 NRR or more to bring your ears into the safe range (110 db minus 25 db equals 85 db).
Blocking the noise that destroys
The folks at Peltor have designed some great hearing savers and one of the best is the Peltor Sport Tactical 500 Electronic Hearing Protector. Rated for 26 NRR, these hearing protectors feature proprietary 3M SMART technology which suppresses damaging noise above 82 decibels--such as gunshots--while amplifying low-level sounds.
PELTOR SPURT TACTICAL 500: SAY WHAT? PROTECT WHAT LITTLE HEARING YOU HAVE LEFT!

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