Any question answered...

Why are emergency vehicle sirens made to sound off so suddenly, instead of a quickly increasing tone? Wouldn’t that have less of a stress impact on everyone’s health?

Inquirers on Google seem concerned with why they’re so loud, but I’ve recently been finding the abruptness more jarring than the decibels.

Because they want you hear them straight away when needed?

Like it’s an emergency?

Nah, they should have a whispering ad campaign over a few weeks gently alerting you that they might be coming.

Like it’s an emergency?

Almost.

I find the loudness and abruptness pretty painful, and ambulances especially seem to make my ears wince as they go past.

I agree that a fade in of sorts would make them much less surprising. And give you a chance to block your ear if you wanted to.

I imagine that the sound cutting in is more of a byproduct of how they’re designed / generate the noise than an intentional feature.

I think playing loud music in libraries to drown out people whispering would be somethingclever

Why are emergency vehicle sirens made to sound off so suddenly

https://www.youtube.com/watch?v=9ZrAYxWPN6c

Surprise your partner with a radio song turned all the way up, then try another time but start at 10% and turn it up in just under a second. See which shocks them more.

I’ve driven emergency vehicles mate. A split second fade-in that’s immediately loud enough to be heard by nearby drivers, but not so loud to startle pedestrians 20m away without fail, isn’t (I suspect) going to negatively affect outcomes in +99% of cases. If the driver gets into a crash because the siren took fractions of a second to wind up, they shouldn’t have performed the manoeuvre in the first place. What I think it would reduce is the prevalence of stress and anxiety (contributants to premature deaths, heart attacks, etc etc) in the urban population constantly, unexpectedly, exposed to emergency sirens.

Surprise your partner with a radio song turned all the way up

https://www.youtube.com/watch?v=FVD6G7koJfk

Whoo!! 🕺

Saw someone with a tunnock's bar poster/artwork this morning, maybe in a cp thread but can't remember now. Anyone know which thread?

This? https://www.lfgss.com/comments/16644366/incontext/

Maybe add a motor to it one day?

the prevalence of stress and anxiety (contributants to premature deaths, heart attacks, etc etc) in the urban population constantly, unexpectedly, exposed to emergency sirens

If only we could get rid of the noisy motorbikes. Someone should do the numbers on how much death their noise causes

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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5926317/

Would be interesting, for sure, but at least motorcycles start relatively slowly compared to a siren.

I mean people who live near them, not the riders! They sound instant to my ears/brain.

Yes I got that, just pointing out the inference that if the noise reduces the riders’ health quality of life, as per the study, the same could happen to other people constantly exposed to the noise.

I think the study is about wind noise, not exhaust noise

I was focusing on the noise element, but yes perhaps not the best study to link to. Lots of interesting info, for example in the paragraphs below and their references.

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Lots of interesting info

And yet not one mention of hearing protection. Sensible European bikers have been using foam plugs since the early 90s at least. That simple and effective intervention obviously hasn't made it to the study population or the authors would surely have controlled for it.

As an aside, if you're bothered by noise, try plugs. I left mine in at the discotheque back in the days when I both rode and danced, it improved the experience of both 🙂

what does the court order say? they should be some lines with next steps

Yes, thanks!

can you repost with a smaller font pliz? My eyes...

For us to both submit our evidence by X date, which we have both done, and that the Judge has said it will be reviewed without a hearing. No further details on timings.