[LAD] LV2 port groups

Fons Adriaensen fons at kokkinizita.net
Tue May 13 14:58:25 UTC 2008


On Tue, May 13, 2008 at 04:17:08PM +0200, Lars Luthman wrote:
> On Sun, 2008-05-11 at 00:04 +0200, Fons Adriaensen wrote:
> > Is there any good reason why the B-format port groups refer
> > to the 2nd order horizontal components as R and S ?
> 
> Good question. I got the component names from an article that I can't
> find now, but according to Wikipedia they are not the normal ones. It is
> of course possible that I made a typo, but I'm pretty sure I got the
> names right from that article (and since I can't find it no one will
> ever prove me wrong!).
> 
> I am not aware of any host or plugin that is using the port semantics of
> the Ambisonic B port groups yet, so it should be safe to fix that bug.
> Are the component names in this table correct?
> 
>  http://en.wikipedia.org/wiki/Ambisonic#Possible_combinations

They look OK. One other point: I wouldn't name the groups by the
number of channels, but use something indicating the order(s), e.g.
****-h2v1 or ****-2,1 for second order horizontal, first order vertical.

Ciao,

-- 
FA

Laboratorio di Acustica ed Elettroacustica
Parma, Italia

Lascia la spina, cogli la rosa.




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