i was looking for a way to convert audio to a format, you can send via a "control wire" to create a single bus, transferring audio, bang messages, symbols and list.
i found a way via the pack~ and unpack~ objects.
i love pd!

p.s.: needs pd extended objects

http://www.pdpatchrepo.info/hurleur/universal_bus.pd

Thank you very much! I have been trying to make something like this for ages!

yeah, me too. i was really exited, when i got this to run.