[LAU] questions about resampling

Fons Adriaensen fons at linuxaudio.org
Sat Nov 22 17:01:30 UTC 2014


On Sat, Nov 22, 2014 at 07:01:23AM -0800, Len Ovens wrote:
 
> No I don't think anyone would notice that. I was thinking more about
> the stereo imaging. I know at some frequencies the brain senses
> direction of the sound by the phase difference from one ear to the
> other. The last time I did speaker listening tests (10 years ago?),
> I found very few that gave good imaging anyway (and they were not
> the most pricy either). Maybe things have gotten better. Maybe usecs
> of difference from one ear to the other are not noticable too.

One microsecond means 0.34 mm (1/75 inch) at the speed of sound,
or 0.12 degrees change of direction for a frontal sound source.

So you need 8 usecs to change the direction by one degree. 
Maybe you could detect that if your head were clamped in a
vise. Test at your own risk :-)

Ciao,

-- 
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)



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