On Sun, 2014-08-03 at 17:06 +0000, Fons Adriaensen wrote:
> On Sun, Aug 03, 2014 at 06:22:53PM +0200, Carlos sanchiavedraz wrote:
>
> > - Pick a mirror
> > - From your listening position perspective and moving the mirror (you
> > know, with its back to the wall), find the areas where you see the
> > image of your speakers reflected in the mirror. It's better to have
> > some helping hand so you can stay seated in your LP.
> >
> > The point is: if you see the speakers/the light reflected from the
> > speakers that gets to your eyes bounced from the mirror, then the
> > sound will get to you bounced on those areas as well.
>
> Take that with some very big lumps of salt.
>
> For at least half of the audible frequency range, the wavelenght of
> sound is comparable or larger than the typical sizes of objects that
> surround us. Which means that sound will not behave as light. This is
> the main reason why so many people have a completely wrong idea of how
> sound waves interact with objects or a room.
Even if sound waves would behave like a ball thrown against the wall,
the nominal dispersion angle, the angles of the walls etc. pp. still
would be ignored by this mirror test, not to mention that we aren't
horses, with our eyes at the side of the head, were our ears usually
are.
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Received on Mon Aug 4 00:15:01 2014
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