I have added a Powered Tools and Machinery section to my website.

In this section I plan to add articles about the power tools and machines that I use in my workshop, with the modifications I have made over the years, along with the techniques which I hope others will find helpful in using them to dimension and create joinery.

The first article is just a baseline for the level of noise for the machines and power tools I have.

http://www.inthewoodshop.com/Powered%20Tools%20and%20Machinery/NoiseLevelsInMyWorkshop.html

Regards from Perth

Derek

Must admit, I've never got the idea of hearing protection with built in radio, just replacing one sound with another in my opinion.

I'm with Alex on this.  Listen to your tools, not the radio.  It will only distract you from what's really important and will help keep you safe. 

As much as I like listening to music while working in the shop I agree with Alex  and Sparktrician on listen to your tools, not the music.
Especially since the sound of a tool is one of the biggest warnings you'll get when something is going wrong.

I have a stereo playing in my shop and get to enjoy when the tools are off.  When any tool is powered on I have at least my custom Westone ear defenders.  I say 'at least' because when I turn on something really loud like the planer I double up on hearing protection and throw on muffs too.

I stress hearing protection with my kids - I want them to get that from an early age.  I spent younger years not too worried and had loud concerts and other damage done.
In contrast, my dad is a contractor and has been for years.  I've picked on him about wearing hearing protection with any tool, but he'll run things like sanders without it.  Doesn't take long for even that level to do damage.

When I turn on my shop lights, the radio (and my favorite station) sharing the same switch comes on at the same time. In the winter, I also turn on the fan heater to keep the room to around 18 C or so. I rely on these to protect me:

In order of preference:

a) 31 NRR Sensgard so I can hear the radio/phone ring, etc.- https://www.leevalley.com/en-ca/shop/tools/apparel-and-safety-gear/hearing-protection/53610-sensgard-nrr-31-hearing-protectors?item=22R0802

b) 28 dB NRR 3M corded ear plugs because they're placed everywhere (about a dozen of them; no excuse not to wear one) - https://www.grainger.ca/en/product/p/CBT318-3000?gclid=EAIaIQobChMIlu-58KyN7QIVFR6tBh0VHQtEEAQYBCABEgIme_D_BwE&cm_mmc=PPC:+Google+PLA&ef_id=EAIaIQobChMIlu-58KyN7QIVFR6tBh0VHQtEEAQYBCABEgIme_D_BwE:G:s&s_kwcid=AL!3645!3!303439924283!!!g!544135771639!&cm_mmc=PPC:+Google+PPC

I clean the 3M plugs, about half a dozen a time -- with soap/warm running water/this for reuse -- https://www.leevalley.com/en-ca/shop/home/personal-care/nail-brushes/10259-the-worlds-kindest-nail-brush

c) 31 dB NRR Moldable plugs which block out most sound (unlike the Sensgard), my go-to plugs for routing or in a prolonged session of tablesawing - https://www.leevalley.com/en-ca/shop/tools/apparel-and-safety-gear/hearing-protection/76327-custom-ear-plug-kit?item=22R7270

d) 25 dB NRR ear muff -- used with either b) or c) together and used only when operating the thickness planer. In the winter, the muff is warmed up first because it's uncomfortable to the ears

e) 25 dB NRR ear muff with built-in radio for lawn mowing only (again too cold to use in the shop during winter).

Snip.

The plastic ear covers are cold in the winter. I just rub the muffs briskly up and down my thigh a few times and that warms them up.

My shop in the winter is usually colder than a regular refrigerator (under 4C). To warm my earmuff, if it is after a night in sub zero temp., I hold it up close to a radiant heater for about 5 to 10 seconds. As I said, I use the ear muff only when I thicknessplane, something I try to avoid to do between Dec. and March.

I use the Senszgard ZENs and love them. I can have a conversation with my neighbor with them on and it bugs him thinking I can't hear him! haha! It kills the really loud noises so I can easily listen to my music (from a Bluetooth speaker) but also listen to my tools with the really loud noises muted. While I haven't tried a noise-canceling headset yet, I do think I would want to hear the tools or, moreso, the stock complaining that it's binding. Guys who use "gun hearing protection" where they hear nothing is kinda beyond me, but they are usually pretty proud of it.

They really don't totally kill any sound.  It's reduced quite significantly, but I can still hear the tool noises that I need to be aware of.  In the case of the planer, I use both innies and outies.  The innies protect my eardrums from direct noise, and the outies protect against referred noise, i.e., that transmitted via bone conduction.  It's not that different from using innies at the shotgun range, but innies and outies on the pistol and rifle ranges where impact noise is far more significant, especially if they're indoor ranges. 

First, before anyone catches on @Tinker  , you left a typo in that response.  It should say first 39 years.

I did try the senz hearing protection Paul mentioned, but never felt confident it was saving my ears.  They are inexpensive enough that it’s worth a shot, but I traded them for conventional over the ear muffs.  I have 2 different ones, usually opting for the 27db set over the 31db’s, but it depends which tool we are taking about and exactly what I’m doing. 

The radio thing...it’s not an all or nothing for me.  There are mundane activities where I have no problems using a set with audio.  Usually it’s outdoor power equipment, but sanding, HVLP guns (depends what is being sprayed), even the track saw on sheet goods or a router doing slight round overs.  But the router is more often than not something I want to hear, so again it really depends on what I’m doing.  That said, the Bluetooth set I bought still haven’t been opened.  It’s been 2 years now, so clearly having music ported to my ears isn’t the highest priority.   

Thanks Neil for that tidbit about the Apple Watch, I never knew.  And count me among those that could sometimes use a little tap when a tool gets a bit too loud.

And thanks Derek for taking the time to post those results.  The only thing I would add is the sound goes way up when the machine cuts wood or is under load.  It seems like you measuring the no load/no work sound.  The bandsaw and grinder were the two that jumped out at me because I may use hearing protection, but you’re right, just sitting there running, they an unassumingly quiet.  The handplane was a little surprising.  I assume you measured that under load?