What do the different sirens heard from Emergency Vehicles mean? Such as Wail, Yelp, Priority, etc?
In: 5
They don’t mean anything.
The point is cycling through them is meant to be enough of a tonal change that people don’t tune out the normal siren. If they just used the standard wail a lot of people would likely automatically filter that sound out to some extent given how common sirens are.
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