[linux-audio-dev] High-order Ambisonic coder/decoder in JACK/LDASPA?

[fons adriaensen]

On Thu, Dec 15, 2005 at 09:04:28PM +0100, Georg Holzmann wrote:

> >Regardless of the JACK / LADSPA question, seventh order Ambisonics using
> >16 speakers is just ridiculous. Either it's horizontal only, and in that
> >case using 7th order is just a waste of resources and effort (3th order
> >will do all you want), or it's 3-D, and it that case 7th order requires
> >*much* more than 16 speakers.
>
> yes, but you can use higher order ambisonics and virtual speakers ...

You can't squeeze N independent variables into M < N without losing some
information. If information is lost in your process of using it, you could
do as well without it.
 
> >AFAIK, nobody ever even worked out the equations for 4th order or above.

> that's not true - at our university here is a 4th order ambisonic 
> implementation ...

Can you refer me to a paper or other publication about that ?

-- 
FA