earplugs

[DIANE HOFSTETTER]

Hi Dave,


Noise Reduction Rating is a flawed system of knowing about earplugs.  In 
March, 2003 NIOSH, the government agency dealing with the problem, started 
hearings to revamp the ratings.

When they were tested under the old system, they were given an NRR of 20 
dB., not as much as foam earplugs.  But what are you trying to do?   If you 
are trying to protect your hearing while doing shopwork, wear foam earplugs. 
  If you are trying to protect your hearing while tuning, the Proplugs are 
excellent because they give sufficient protection and still allow you to 
hear what you have to hear to do a quality tuning.

They are especially suitable for music because the attenuation is relatively 
flat, about as flat as any of the other filters currently available.

The question of hearing protection is a vast subject and after four years of 
study am just starting to know how to research it.  The OSHA regulations are 
only suitable for industry liability protection, they deal with continuous 
broadband noise and politically correct regulations.

I have to be offline for awhile now,  in a couple of hours I am driving 
North where I attend Portland State University as a grad student in 
audiology.





Diane Hofstetter





>From: "Dave Nereson" <davner@kaosol.net>
>Reply-To: Pianotech <pianotech@ptg.org>
>To: <pianotech@ptg.org>
>Subject: earplugs
>Date: Fri, 5 Sep 2003 01:40:11 -0600
>
><<OK! Great! I want them! Who makes them? What are they called? Where can I 
>get them?>>
>
>Me too.  Didn't see an answer to the question about how much the decibel 
>reduction is.  The disposable foam ones can have an NRR (noise reduction 
>rating) as high as 33 dB, which is hard to beat.  Many hearing protection 
>devices are much lower.
>     --David Nereson, RPT
>
>
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives

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