(does not reflect my opinion, just thought it looked funny)
Less hostile when in context.
Taken from a YouTube channel called Not Just Bikes.
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Ambient sound levels from bugs can exceed 55dBa. We banning bugs?
35 is literally unobtainable, I don't understand. Wearing high heels will get you a fine. Laughter. Rain.
Immission, not emission. Generally the regulations deal with noise made by humans and especially their appliances. Also, of course there are exceptions, e.g. for children.
And yes, 35 dB(A) is achieveable. A hospital at night is no place to have a party around. Also nobody will wait for you to run around in high heels to give you a fine. But if you regularly do that in your flat and your neighbor below is sick of it, that might get you in trouble.
Edit: does anyone think downvoting will change those facts? 🤡
Yeah, immission isn't a word I've ever heard before so excuse my ignorance. Seems to correlate with how things are measured around here, where basically you take a historic ambient sound level and then the adjusted sound level after a source is introduced. For development, obviously doable. For people traversing the local roadway? Literally impossible. In fact, where I am from, the vehicle traffic associated with a use is typically exempt from their land use application because it's just not feasible to get an accurate representation. It's also not feasible to have a business put a "No popcorn tunes" sign up, and then actually enforce it.
Do you have any info on how this 35dB rule is enforced? Genuinely curious. My familiarity with the technology is through the testimony of experts in a quasi-judicial setting, and so I am far from an expert, but what I've heard with enough frequency is that it's difficult if not impossible to pull out vehicle noise from ambient noise.
In that vein, there are restrictions based on the duration of noises and their level. Basically, a car door slamming is instantaneous. The backup alarm on a truck is constant. But yeah, unrelated. I just don't know that you can use decibels to limit the motoring public.
And I say all of this being so staunchly against aftermarket tunes making your exhaust sound like you're running rich. Shit is stupid. I say this having, at a point in my life, drove a car (factory stock) that had a loud exhaust. And so I think if you're concerned, the best place to make a change is in regulations associated with vehicle exhausts. Neuter pickups and cars if they can't cc comply. You need noise to get horsepower and torque? Too bad, muffle and restrict your pipes, and if you can't make your vehicle strong enough, maybe make it smaller.
Most of all it's just that there's written rules, and that you can point at them if you feel things are too loud. With immission a lot is already considered when building new houses, train rails, streets, for example.
With cars and motorcycles there's also emission guidelines, and you have to register aftermarket changes with the inspection authority. And if the police catch you with unregistered alterations they can fine you, ask to show proof of registration within a week, or even impound your vehicle on the spot.
And if there's a e.g. noisy party in your area, you can call the police (a rite of passage for every German – your first noise complaint ("Ruhestörung")) and they will ask nicely one time, if they have to come a second or third time they might confiscate your stereo, disband the party, etc. But it's just their decision what's too loud, they won't take measurements.
If it's something that's not immediately obvious (e.g. dogs constantly barking), or the government is... less eager to act (e.g. airports) then it can evolve into a tedious and nerve wrecking legal battle. Which frequently happens.