Author Topic: Hearing Protection  (Read 1554 times)

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Offline Vipersmith

  • Posts: 5
Hearing Protection
« on: May 26, 2019, 10:13 PM »
Does anyone have a recommendation for good hearing protection(Bluetooth and AM\FM Radio)?

Offline Bob D.

  • Posts: 1229
Re: Hearing Protection
« Reply #1 on: May 27, 2019, 04:53 AM »
Nowadays you have a couple choices in type, earbuds or earmuffs.

So think about your use and if you will be wearing a hat and/or some other PPE or headgear, and how that might interfere with hearing protection.

You might want one of each type for different situations. I have earbuds for working in the shop or welding and muff style for working in the yard running noisy equipment or on the tractor.
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It's a table saw, do you know where your fingers are?

Offline Vipersmith

  • Posts: 5
Re: Hearing Protection
« Reply #2 on: May 27, 2019, 12:30 PM »
I guess I am looking for over the ear style - to provide noise reduction too (unless you are telling me that ear buds provide good noise reduction).

Offline ChuckM

  • Posts: 1171
Re: Hearing Protection
« Reply #3 on: May 27, 2019, 12:47 PM »
Snip.

You might want one of each type for different situations.

That's very true.

For me:

When I don't need to listen to the radio in the shop: NRR 31 http://www.leevalley.com/en/wood/page.aspx?p=76327&cat=1,42207

When shop music (radio) is enjoyed but mask and wrap-around glasses are not worn: NRR 31 http://www.leevalley.com/en/wood/page.aspx?p=53610&cat=1,42207,42227,53610 (My go-to hearing protection)

When mask and wrap-around glasses (i.e. regular glasses instead of wearing the safety glasses)/faceshield are in place: NRR 25 https://www.premiersafety.com/ear-protection/banded/3m-e-a-r-express-pod-plugs-earplugs

Hearing protectors (NRR 22 - 25 e.g. http://www.leevalley.com/en/wood/page.aspx?p=73973&cat=1,280,42207,42227,73973 ) are quite an hassle to use, interfering with my other safety gear, and uncomfortable to use in the winter. Good for lawn-mowing only.

« Last Edit: May 27, 2019, 10:39 PM by ChuckM »

Offline Bob D.

  • Posts: 1229
Re: Hearing Protection
« Reply #4 on: May 27, 2019, 09:13 PM »
I guess I am looking for over the ear style - to provide noise reduction too (unless you are telling me that ear buds provide good noise reduction).

Yes they do. My ISOtunes are supposed to provide 26dB noise reduction IIRC.

https://isotunesaudio.com/collections/earplug-headphones/products/isotunes

Yup, I remembered correctly. I have the original version. They work well and are more comfortable than muffs when it's hot. When you take them out, you can stick the earpieces together around your neck so you won't lose them.
-----
It's a table saw, do you know where your fingers are?

Offline Dan C

  • Posts: 44
Re: Hearing Protection
« Reply #5 on: May 27, 2019, 09:46 PM »
I use these for everything from mowing and trimming the lawn to flying 1/2 way around the world. I have the SE215 and SE425 and Se535. The 215s with a set of the comply foam tips are hard to beat. They work almost as good as straight earplugs and the sound reproduction is fantastic.

https://www.sweetwater.com/store/detail/SE215Bl--shure-se215-sound-isolating-earphones-blue

Offline Dan C

  • Posts: 44
Re: Hearing Protection
« Reply #6 on: May 27, 2019, 09:50 PM »
These are the tips I use. The nice thing about the shure that I didn’t mention is the cable is replaceable should it get damaged. I run the cable down my shirt and to my pocket.

https://www.complyfoam.com/products/t-series/

Offline ChuckM

  • Posts: 1171
Re: Hearing Protection
« Reply #7 on: May 27, 2019, 10:36 PM »
I use these for everything from mowing and trimming the lawn to flying 1/2 way around the world. I have the SE215 and SE425 and Se535. The 215s with a set of the comply foam tips are hard to beat. They work almost as good as straight earplugs and the sound reproduction is fantastic.

https://www.sweetwater.com/store/detail/SE215Bl--shure-se215-sound-isolating-earphones-blue

Hi Dan,

Is Noise Attenuation the same thing as Noise Reduction? Google doesn't answer my question well. If not, is there any information about the NRR on those sound isolating earphones.

Offline Dan C

  • Posts: 44
Re: Hearing Protection
« Reply #8 on: May 28, 2019, 07:34 AM »
The best I could find on data for the NRR was here from Shure:  https://www.shure.com/en-GB/support/find-an-answer/isolation-of-shure-earphones-and-nrr-rating

That being said they work tremendously well for me and the tips you use are important. The Comply are the best isolation I have found.

I am by no means an expert on attenuation vs reduction I can tell you my active noise cancelling Bose (that use mics and are powered) are fine. But on the Shure block much more. With the Bose on a flight I can hear announcements and some conversational noise. With the Shure and music on lowish volume I don’t hear a darn thing.

Hope this helps

Offline ChuckM

  • Posts: 1171
Re: Hearing Protection
« Reply #9 on: May 28, 2019, 08:29 AM »
Thanks, Dan, for the link and additional info.

Offline Sparktrician

  • Posts: 3803
Re: Hearing Protection
« Reply #10 on: May 28, 2019, 11:16 AM »
As I understand it, noise attenuation reduces ALL sounds by a specific amount, while noise cancelling reduces or eliminates steady-state noise by injecting sound that is 180° out of phase with the original sound.  Noise cancelling does NOT reduce non-pattern noise because it's not regular and predictable.  Noise cancelling is great on aircraft where the noise is steady-state, but useless for impact noises like gunfire. 
- Willy -

 "Remember, a chip on the shoulder is a sure sign of wood higher up." - Brigham Young

Offline ChuckM

  • Posts: 1171
Re: Hearing Protection
« Reply #11 on: May 28, 2019, 11:31 AM »
Snip.  Noise cancelling is great on aircraft where the noise is steady-state, but useless for impact noises like gunfire.

This layman explanation is better than anything I found on Google. Thanks.