Re: Terminology

[crowell@xxxxxxxxxxxxxxxxx (Jim Crowell)]

At 9:09 PM 2/8/96, harold lee tichenor wrote:
>What good binaural recording does do
>however, is reveal the directionality of the sound source from side to side.
>Without getting too detailed, binaural sound is not three dimensional, in
>fact it is dubious as to whether it is in fact two dimensional.
>

Yes, binaural phase/intensity differences only give you the
left/right direction to the source.  I think detecting the
up/down direction is much more complicated & depends on how
sounds coming in from different directions are reflected inside
the pinnae (those big flaps of cartilage on the sides of the
head), & it appears to vary a fair amount from person to person.

I think there's someone on the list who knows a lot about this
stuff, but I can't remember who.  Anyone?

-Jim C.


------------------------------------------------
Jim Crowell
U.C. Berkeley School of Optometry
360 Minor Hall, Berkeley, CA 94720
(510) 642-7679
jim@xxxxxxxxxxxxxxxxx



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End of PHOTO-3D Digest 1173
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