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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.
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Why are emergency vehicle sirens made to sound off so suddenly
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.