Re: [LAU] Pro Audio? OT rant.

On Mon, 2012-12-24 at 09:48 -0500, Paul Davis wrote:
>
>
>
> On Mon, Dec 24, 2012 at 9:27 AM, Fons Adriaensen <fons@email-addr-hidden>
> wrote:
>
>
> Violins (and many other instruments) can and do produce
> harmonics
> above 20 kHz. As long as these are vibrations inside the
> instrument
> they could even interact in non-linear ways and produce
> something that
> is audible. Once they are 'in the air', they don't interact
> and you
> can't hear them.
>
> although i'm skeptical, i'm willing to leave a tiny amount of doubt in
> the air. i think the evidence is clear that we cannot hear these
> frequencies. there is some slightly woo-ish stuff about how they might
> still interact with us physically and contribute something to the
> experience of being "in the presence of" the live instrument(s). i
> suspect its totally bogus, but i also don't think that the science has
> been done to clearly establish that it is, and that 22kHz is a hard
> limit for human experience, not just human hearing.

At least inaudible low frequencies seem to have impact to the humans
cognition. If inaudible frequencies are important for audio productions
is another issue. At least inaudible frequencies are noticeable.

Regards,
Ralf

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Received on Thu Dec 27 16:15:03 2012