I was wondering if anybody has implemented the ambisonics algorythm in a pd external yet.
CICM's ambipan~ or ambicube~ might be what you´re looking for. greg.
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ggkarman@musicologia.com wrote:
I was wondering if anybody has implemented the ambisonics algorythm in a pd external yet.
CICM's ambipan~ or ambicube~ might be what you´re looking for.
it took me some time before i found my way through all the dead links.
finally i found it at: http://www.mshparisnord.org/download/CICM_TOOLS_PD.zip
just to continue my unselfish advertisments: when i am talking about our ambisonics-implementations i was _not_ referring to gerzon's B-format (which is just 1st order ambisonics) but about higher order ambisonics (this is: at the very least 3rd order).
imho, B-format is just a better quadrophonics systems, whereas higher-order ambisonics can compete with WFS (wavefieldsynthesis).
but of course our applications are quite demanding (my first version of a 3rd-order 3D-mixer needed to 800MHz PentiumIII computers to decode 24 mono input channels to the IEMcube (a hemisphere of 24 speakers); back then that was _very_ fast)
mfg.a.r IOhannes
PS: btw, i once have made debian packages for my 3d-mixer, you can get them from http://debian.iem.at/iem/pool/a/abcdefg/ or you can add to your /etc/apt/source-list the following line: deb http://debian.iem.at/debian/iem testing iem to get the family of "abcdefg"-packages
PPS: note however, that we are mostly doing applications (like abcdefg); these might be very hard to "just use" for spatialization within your patch.
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ggkarman＠musicologia.com -
IOhannes m zmoelnig