On Fri, 2025-08-22 at 02:00 +0000, Worik via Pd-list wrote: > Friends > > I am using version 0.53.1 in this case (from Debian-12 archives) so > apologies in advance if my problem is not apparent in more recent > versions > > I am using pd to implement guitar effects > (https://github.com/worikgh/120Pedal.git) > > To that end I want to start a pd process in the background and > headless. I manage Jack audio pipes programmatically (it is how I > switch between pedals in real time) and I do not connect directly to > system:playback_1 as I have a volume control between my effects and > playback > > To this end I wish to start a pd process that creates jack I/O for > itself but does not connect them to the system input and outputs
Jack, uhm.. I mean: Check 'pd -help'. Here is the relevant section: -jack -- use JACK audio API -jackname <name> -- a name for your JACK client -nojackconnect -- do not automatically connect pd to the JACK graph -jackconnect -- automatically connect pd to the JACK graph `pd -nojackconnect` should do what you want. Because I had similar needs, I once created the jackpatch external available in Deken. It lists JACK clients and creates/deletes connections between them. Maybe it is useful to your setup. Roman
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