[PD] VBAP, pd-extended, OS X - or distributing players among a ring of speakers

David NG McCallum d at mentalfloss.ca
Fri Nov 2 15:32:17 CET 2007


I was trying to get VBAP working in OS X from the latest pd-extended and
I seemed to get all sorts of errors that indicated that VBAP is broken
in this release.

Defining loudspeakers gives the error:

error: vbap: no method for 'loudspeaker-matrices'

... which seems kind of weird.

[vbap] also seems to have only one inlet. Is that correct?

At any rate, what I'm trying to accomplish is to distribute several
channels of audio evenly over several speakers (actually, a ring of
speakers, to the first and last speakers should share some of the
soundfield space). At this point, the number of speakers can be fixed,
but the number of channels needs to be variable to accommodate an
unknown number of performers.

Any thoughts about the brokenness of VBAP or solutions to distributing
the audio?


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