Hello Frank,
thank you very much for your patches. I'll have a look at it very soon.
Because of [mtx_mul~] I would like to add iemmatrix to my path list. How can I set a new search path for a library when the folder is inside the PD package (because I can't open the PD Contents from the window that opens.)
Thanks for help.

Achim
        
Am 15.03.2009 um 10:50 schrieb Frank Barknecht:

Hallo,
Achim Bornhoeft hat gesagt: // Achim Bornhoeft wrote:

Can anybody help me to extend this patch from 4ch to 8ch? (I found it
somewhere...) Or is there an even easier (better) way to do the same. I already tried [vbap] but the objects [define_loudspeaker] and [matrix~]
are not recognized by my PD-Extended 40.3 on Max OS 10.5. (see other
attachment).

Attached is a cosine-panner that I built to pan sounds accross a 12x5
speaker matrix [1] (with help by Peter Plessas, thanks again!). If you
want to pan to that many outputs, I highly recommend to use the
iemmatrix objects, they make things much easier.  Never use [matrix~]
that object is nameclash-polluted, use [mtx_mul~] instead, an example
is in the cospan help file.

Anway you can pan with just [*~] as well using [cospan], it's just a
lot more patching work, more error prone and slower.

The basic idea is to create as many [cospan <index> <channels>]
objects as you need. Say you want to pan over 4 channels left to
right, you create these:

[cospan 0 4]
[cospan 1 4]
[cospan 2 4]
[cospan 3 4]

and send each of them a position in degrees from 0-360. The left
outlet of cospan will output the raw amplitudes of the respective
channel, the right one will output messages for [mtx_mul~].

Now if you want two-dimennsional panning, you duplicate the setup for
each the vertical or y-axis. See cospan16to9.pd for how I did it for
the speaker wall (which is called "16:9" although it only has 12x5
speakers.)

HOTH

[1] this one: http://footils.org/cms/weblog/2008/jul/28/schusslig-17-beta/

Ciao
--
Frank Barknecht Do You RjDj.me? _ ______footils.org__ <cospan- help .pd > < cospan .pd > < cospan12 ~ .pd > < cospan16to9 ~.pd><cospan5~.pd>_______________________________________________
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