From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?Jo=EBl_Kr=E4hemann?= <joel@weedlight.ch>
Subject: Re: is 440 Hz the true harmonic wave
Date: Mon, 31 Mar 2014 10:20:42 +0200
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To: Clemens Ladisch <clemens@ladisch.de>
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On Mon, 2014-03-31 at 09:45 +0200, Clemens Ladisch wrote:
> Jo=EBl Kr=E4hemann wrote:
> > Is 440 Hz the true harmonic wave?
> =

> 440 Hz is a frequency, not a wave.
> =

> A single sine wave does not have overtones, so it is not possible to
> apply the term "harmony".
> =

> I do not understand what you mean with "true".
> =

> > Is there a constant for it in glibc, like M_PI?
> =

> What would be the use of a definition like "#define HZ_440 440"?
> =

> =

> Regards,
> Clemens

I believe that 440 Hz is an approximation rather than true harmonic on
it's pressure. Or am I wrong? Sine is harmonic in default arc.

thank you!

Jo=EBl