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 <archontis.poli...@aalto.fi> 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 <martindup...@gmail.com> 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 > > Sursound@music.vt.edu > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > > _______________________________________________ > 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20160209/3c1b0036/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.
