Norman,
I have done test recordings with the mikes simply placed on the sides of th=
e head, behind the ears, and behind the ears with ear canals, all being fed=
the same frequency sweep through a pair of headphones. I don=92t expect it=
to be a flat sweep, but at least it may allow me to see the change in freq=
uency response between them.
I tried initially putting the head on the ground, but I lost a lot of locat=
ion information. I=92ll have to do more experiments.
=96 Charles
> On Jul 14, 2015, at 12:41 PM, [naturerecordists]=
<> wrote:
>
> Along with the dips that David mentions, I see a peak around 2.5 to 2.7 k=
.
>
> The coloration is quite distinct and reminds me of my own attempt at plac=
ing omni capsules in home made ear canals. I didn't persevere very long wit=
h fine tuning mine because I wanted to get the free airy sound back into my=
recordings immediately as the season was flying by me.
>
> Regarding height perception, it's a subtle thing, but I think placing the=
'head' ( un naturally, I know ) very close to the ground helps to introduc=
e a vertical dimension to the reproduction.
>
> norman.
>
>
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