and : https://en.wikipedia.org/wiki/Ambisonic_reproduction_systems#Full-sphere_systems:_Platonic_Solids
On 9 February 2016 at 12:58, Augustine Leudar <[email protected]> wrote: > On,y wikipedia but contains the info you need : > > > https://en.wikipedia.org/wiki/Ambisonic_reproduction_systems#Horizontal-only_systems > > On 9 February 2016 at 12:45, Politis Archontis <[email protected] > > wrote: > >> Hi Martin, >> >> one note on the arrangement, as far as I know, traditional ambisonic >> decoding won’t work on hemispherical setups (due to the partial coverage of >> the sphere by the speakers). You may have to use more recent/advanced >> methods to get decoding matrices, such as the energy-preserving ambisonic >> decoding with modified basis functions (EPAD), or the hybrid ambisonic/VBAP >> All-round ambisonic decoding (ALLRAD), published by Franz Zotter (and >> collaborators) from University of Graz. >> >> I know of two usable available implementations of such decoder matrix >> calculators, one is a compact Matlab/Octave library I made available >> recently: >> >> http://research.spa.aalto.fi/projects/ambi-lib/ambi.html >> https://github.com/polarch/Higher-Order-Ambisonics >> >> the other is Aaron Heller’s ambisonic decoding toolbox, more extended >> than mine, which includes scripts to produce VST plugins from the decoding >> matrices using Faust, which may be more suitable for your workflow: >> >> https://bitbucket.org/ambidecodertoolbox/adt.git >> >> Best, >> Archontis >> >> >> > On 08 Feb 2016, at 17:19, Martin Dupras <[email protected]> wrote: >> > >> > Hi, >> > >> > I'm intending to try setting up a 16-speaker Ambisonics array next >> > week in a small TV studio. I'm trying to figure out the practical >> > arrangements for setting up the speakers. I was wondering if anyone >> > with experience might be able to offer some advice or point me in the >> > right direction? >> > >> > What I'm planning at the moment is a half-sphere arrangement which >> > would likely consist of: >> > >> > - 8 speakers in a circle of radius 2m at a height of approximately 1.6m >> > - 6 speakers in a smaller circle at an elevation of 45 degrees >> > - 2 speakers at an elevation of approximately 75 degrees >> > >> > Alternatively, I would be happy with an arrangement similar to the >> > first 16-speakers in this diagramme: >> > >> http://www.matthiaskronlachner.com/wp-content/uploads/2013/10/loudspeaker-plan-observatory.jpg >> > >> > I've been trying to find out if there is a convention or "most usual" >> > arrangement but couldn't find anything. I'm not particularly attached >> > to the actual arrangement, I just want to find an arrangement that >> > will work well enough with 16 speakers. Any advice? >> > >> > The other thing I would welcome is advice on how to mount the speakers >> > to lighting rigs in a manner that is practical enough to offer some >> > good compromise between precision and ease of setup. I believe the >> > speakers we'll be using for the upper tiers will be Genelec 8060s. >> > >> > Many thanks. Any advice will be greatly appreciated! >> > >> > Cheers, >> > >> > - martin >> > _______________________________________________ >> > Sursound mailing list >> > [email protected] >> > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe >> here, edit account or options, view archives and so on. >> >> _______________________________________________ >> Sursound mailing list >> [email protected] >> 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/20160209/6fa4742a/attachment.html> _______________________________________________ Sursound mailing list [email protected] https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
