On Fri, 6 Jul 2001, Heiko Recktenwald wrote:
> > NIGHTLY WINDOW... YOU'D BE SURPRISED JUST HOW DIFFERENT THEY
> > SOUND: APPARENTLY THE PITCH/RHYTHM IS CHANGED AT INTERVALS
> > SO AS CONTINUE TO ATTRACT ATTENTION/DISPLEASURE.
>
> Thats Dopplereffekt ?
Nope. The siren-sounds are routinely altered so that the
citizenry doesn't become accustomed to them and turn a
deaf-ear. Here in San Francisco, there are the loudest
sirens I've ever experienced: pedestrians plug their ears as
these vehicles pass-by... the intransigent are frequently
run-down anyway.
> Anyway, to use such a sound is music is something different.
Yes: you could alter the pitch yourself. Blast the museum
patrons: no coy street-musicians.
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