The decoders produced by my toolbox in FAUST (the ".dsp" files) have distance, level, and near-field compensation up to 5th-order (and more soon). Those can be compiled to a large number of plugin types, including VST, AU, MaxMSP, ...
https://bitbucket.org/ambidecodertoolbox/adt Aaron On Thu, Jul 6, 2017 at 1:53 PM, Sampo Syreeni <de...@iki.fi> wrote: > On 2017-07-05, Martin Dupras wrote: > > I've deployed a 21-speaker near spherical array a few days ago, which I >> think is working ok, but I'm having difficulty [...] >> > > Oh, and by the way, *please* compensate each speaker for 1) its > propagation delay to the central sweet spot, and also 2) its frequency and > distance dependent proximity effect. Both compensations can be done > analytically, with the second one being par of the course for close range, > domestic POA setups of the old kind. In that circuit the first one is more > or less subsumed or at least approximated by the second one already. > However if you *do* happen to use speakers at widely varying distances from > the sweet spot, and you *do* happen to be able to do modern digital > correction, *do* correct for absolute delay as well. It *will* make a > difference, especially at the lowest orders. After all, you just said > you're working with a "near-spherical array"; pretty much by definition > that means not all of the speakers experience equal propagation delay > towards the sweet spot... > -- > Sampo Syreeni, aka decoy - de...@iki.fi, http://decoy.iki.fi/front > +358-40-3255353, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2 > _______________________________________________ > 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. > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20170706/764e969d/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.
