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  • Like it’s an emergency?

    Almost.

  • 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.

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