On 02/09/2016 10:51 PM, Martin Dupras wrote:
Thanks for all the responses. Much appreciated.
I'll re-phrase the question in light of some of the answers I've been given.
I will be using third-order Ambisonics. My aim mostly is to experiment
to get a good sense of what is possible with Ambisonics with height. I
have experimented successfully with 8-channel planar Ambisonics some
time ago. My primary intent is to spatialise multiple monophonic
(synthesised) sources using 3rd-order Ambisonics spatialisation, and
the playback of mixed sources (spatialised monphonic and stereophonic
sources as well as B-format 4-channel recordings.)
At this moment in time, I have the opportunity to deploy (next week) a
16-channel array, so I would like some advice on a configuration that
would be a good start to experiment with Ambisonics with height.
Someone suggested that I consult the wikipedia page on Ambisonics.
That is indeed where I got the idea that an "upper hemisphere" setup
might be suitable, since I only have on this occasion 16 speakers.
There is however no suggestion as to what a suitable hemispherical
configuration might be for a 16-speaker array, which is why I asked my
original question.
yeah, that page is pretty much still in the somewhat incomplete stage i
started it in, we should add to it. my advice would be to just use 15
speakers in an 8-6-1 configuration if you want to go for a hemisphere,
and to try a icosahedron (with 12 speakers on the vertices) if you want
full-sphere, but then only for 2nd order. 3-6-3 can also be nice and
simpler to set up.
the big advantage of an icosahedron is that most decoders have a
suitable setup by default. for hemispheres, you'd need to compute it
yourself.
--
Jörn Nettingsmeier
Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487
Meister für Veranstaltungstechnik (Bühne/Studio)
Tonmeister VDT
http://stackingdwarves.net
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