There are true omni directional speakers, made by MBL ,
quite expensive. These work by having a whole surface that
expands and contracts --a sort of lens shaped thing that is
pushed in and out by compression of the ends. Hard to
arrange--hence expensive. But they do have an essentially
spherical pattern. (Why anyone wants this is a more complicated
question!)
Robert
There was also a defacto spherical
speaker(except at high frequencies)
On Thu, 18 Oct 2012, Augustine Leudar wrote:
I did come across these sorts of things - not to be pedantic, but they're
not really spherical (though as good as I guess) but lots of little normal
speakers pointing in all directions. Would it not be possible - by means of
some sort of elastic material - to have just one spherical surface that
vibrated equally over its whole surface ?
On 18 October 2012 21:21, Nils Peters <peters.n...@gmx.net> wrote:
http://cnmat.berkeley.edu/**research/spherical_**loudspeaker_array<http://cnmat.berkeley.edu/research/spherical_loudspeaker_array>
also the IEM and ircam are working on those things
On 12-10-18 12:49 PM, Augustine Leudar wrote:
Spherical speakers ?
Are there such things ? - I tried googling to no avail. I dont mean
something like this :
http://www.instablogsimages.**com/images/2007/08/13/eole-**system_48.jpg<http://www.instablogsimages.com/images/2007/08/13/eole-system_48.jpg>
I mean that instead of a cone there is a sphere, and able to emit sound in
all directions I'm guessing if it hasn't been done its because it presents
considerable technical difficulties - still ...
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