I've sent a message to them - it appears the speaker isn't commercially available, I'll report back if I get hold of one..
On 8 March 2018 at 10:06, Charlie Richmond <charlie....@gmail.com> wrote: > On Wed, Mar 7, 2018 at 4:24 PM, Augustine Leudar < > augustineleu...@gmail.com> > wrote: > > > Hi Charlie ! > > Im aware of course of directional loudspeakers that use ultrasonic > beating > > - but I understood this is able to position sounds in 3D space - without > > physically having to point the speaker - if so that would be quite a cool > > advance, > > > > It would indeed and I'm extremely sceptical that it will work successfully > but please let us know when you get a chance! > > Cheers, > Charlie > > > > > best > > Gus > > > > On 7 March 2018 at 23:51, Charlie Richmond <charlie....@gmail.com> > wrote: > > > > > These have been around for a long time and they do work but there is a > > > sharp sweet spot and no bass at all of course... and it's really only > > > stereo for the one person they are focused on but if the 3d imaging of > > the > > > original source is reasonable then the one listener will definitely > hear > > > the 3d imaging that one can hear with two regular loudspeakers when > they > > > are precisely in the originally prescribed sweet spot. Therefore, you > > can > > > say that they technically do what they say they can do but that is less > > > than regular a good stereo speaker pair. The main feature is that the > > > ultrasonic beating that the two drivers do which produces the audible > > sound > > > at the crosspoint is only audible for the one listener exactly in the > > > crosspoint and not audible to anyone else in the vicinity, which is a > > good > > > trick when it is desired. > > > > > > Charlie > > > > > > Charlie > > > > > > On Wed, Mar 7, 2018 at 2:47 PM, Augustine Leudar < > > > augustineleu...@gmail.com> > > > wrote: > > > > > > > Im desperately trying not to be skeptical because I really really > want > > > this > > > > to be true - has anyone had a chance to test one out ? > > > > > > > > http://www.electronicbeats.net/the-feed/ultrasonic- > > > > speaker-emits-3d-spatial-sound/ > > > > > > > > ? > > > > -------------- next part -------------- > > > > An HTML attachment was scrubbed... > > > > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > > > > attachments/20180307/a720802a/attachment.html> > > > > _______________________________________________ > > > > Sursound mailing list > > > > Sursound@music.vt.edu > > > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe > > here, > > > > edit account or options, view archives and so on. > > > > > > > > > > > > > > > > -- > > > * Charlie Richmond - http://www.RichmondSoundDesign.com > > > <http://www.richmondsounddesign.com/> > > > * Viber: +16047159441 Skype, LinkedIn & Twitter: charlierichmond > > > * facebook: charlie.richmond > > > * facebook.com/pages/Richmond-Sound-Design-Ltd/130195960832 > > > <https://www.facebook.com/pages/Richmond-Sound-Design-Ltd/130195960832 > > > > > * google.com/+CharlieRichmond google.com/+Richmondsounddesign > > > -------------- next part -------------- > > > An HTML attachment was scrubbed... > > > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > > > attachments/20180307/9300681a/attachment.html> > > > _______________________________________________ > > > Sursound mailing list > > > Sursound@music.vt.edu > > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe > here, > > > edit account or options, view archives and so on. > > > > > > > > > > > -- > > Dr. Augustine Leudar > > Artistic Director Magik Door LTD > > Company Number : NI635217 > > Registered 63 Ballycoan rd, > > Belfast BT88LL > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > > attachments/20180308/8d95933d/attachment.html> > > _______________________________________________ > > Sursound mailing list > > Sursound@music.vt.edu > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > > edit account or options, view archives and so on. > > > > > > -- > * Charlie Richmond - http://www.RichmondSoundDesign.com > <http://www.richmondsounddesign.com/> > * Viber: +16047159441 Skype, LinkedIn & Twitter: charlierichmond > * facebook: charlie.richmond > * facebook.com/pages/Richmond-Sound-Design-Ltd/130195960832 > <https://www.facebook.com/pages/Richmond-Sound-Design-Ltd/130195960832> > * google.com/+CharlieRichmond google.com/+Richmondsounddesign > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > attachments/20180308/452bde2b/attachment.html> > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > -- Dr. Augustine Leudar Artistic Director Magik Door LTD Company Number : NI635217 Registered 63 Ballycoan rd, Belfast BT88LL -------------- next part -------------- An HTML attachment was scrubbed... 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