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, 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.
