I admit there use of the word "ultrasound" is ridiculous - but they do work
On 15 October 2015 at 14:27, Augustine Leudar <augustineleu...@gmail.com> wrote: > Here you go Jorn - a speaker with a narrow dispersion pattern - (they call > it parametric or sound lazer) : > > http://www.soundlazer.com/what-is-a-parametric-speaker/ > > On 15 October 2015 at 14:14, Jörn Nettingsmeier < > netti...@stackingdwarves.net> wrote: > >> On 10/15/2015 02:35 PM, Augustine Leudar wrote: >> >>> Possibly ambisonics is different - but not all multichannel audio uses >>> ambisonics - certainly with vbap for example if your speakers are wide >>> apart you don't want a big gap when panning between them then wider >>> dispersal would be advantageous if the speakers are very close together I >>> could see it would introduce coloration when the directivity of the >>> speakers overlapped - with wavefield synthesis the smaller the gaps >>> between >>> speaker cones the higher frequencies can be succesfully spatialised - so >>> I >>> guess for wfs more "pinpoint" directivty would be preferred - I may also >>> be >>> wrong ! For creating true walk around 3d soundscapes with no sweet spot >>> for >>> me a useful tool would be a driver which would be a sphere which put out >>> sounds in all directions (360) - because thats how sound often propogates >>> in real space (eg a twig cracking up a tree will not just put out sound >>> in >>> the 180/90 degree space on one side) The dispersal pattern of speakers >>> isnt >>> often considered when building these kind of systems so its an >>> interesting >>> topic ! >>> >> >> >> Speakers with "narrow dispersal patterns" do not exist. All speakers are >> near-omni in the bass. What a narrow pattern gives you is a longer throw of >> the HF, which can be useful in traditional sound reinforcement. >> >> But in massive multichannel environments, overly directional speakers >> will add up to a muddy, bass-heavy diffuse field. I'd always go for as wide >> a coverage angle as possible, unless I have to deal with a really huge >> space. Since you can't avoid off-axis sound, at least make it spectrally >> balanced. >> >> >> >> >> >> -- >> Jörn Nettingsmeier >> Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 >> >> Meister für Veranstaltungstechnik (Bühne/Studio) >> Tonmeister VDT >> >> http://stackingdwarves.net >> >> _______________________________________________ >> 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. >> > > > > -- > www.augustineleudar.com > -- www.augustineleudar.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20151015/6a80be16/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.
