I remember seeing a DIY panel loudspeaker where element was places in the base of the loudspeaker, The panels where expanding / shrinking the panel by pumping air through a slit from the base. The panels where placed over a rectangular frame, maybe a more balloon formed frame can be constructed.
Maybe you can use a half inflated balloon as "panel", in that case the balloon should not need to be pressurized to keep its size. - Bo-Erik -----Original Message----- From: sursound-boun...@music.vt.edu [mailto:sursound-boun...@music.vt.edu] On Behalf Of Fabio Kaiser Sent: den 19 oktober 2012 14:36 To: Surround Sound discussion group Subject: Re: [Sursound] Spherical speakers ? Google for dodecahedron loudspeakers. There you'll find some results. These kind of loudspeakers are used in room acoustic measurements. To goal is to excite the room without directional preference. But mostly the single speaker chassis cannot be driven independently. Nils already mentioned that in research there are some institutions investigation on this. The goal is basically radiation synthesis or beamforming. Look here: http://iaem.at/projekte/sphericalarrays/compact-spherical-loudspeaker-arrays/ best Fabio Am 18.10.2012 um 21:49 schrieb Augustine Leudar: > 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 > > 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 ... > -------------- next part -------------- An HTML attachment was _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
