also it seems to be suggesting it can project sounds to precise points in space, at different distances from the speaker - in a way that someone breaking the beam wouldnt necessarily hear it (as they do in normal directional speaker sin museums etc) - thats the bit Im skeptical about....
On 8 March 2018 at 00:24, 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, > 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/attachme >> nts/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 > > -- 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/20180308/41f976c5/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.
