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by black_knight 3028 days ago
In Pulse I just used the LADSPA module, and loaded it with pactl load-module module-ladspa-sink. There is an example in the docs[0].

I stacked a number of filters on a null-sink and then used the loop-back module to put the sound from the mic into the top filter. Then I redirected mumble to the null-sink’s monitor. The filters I used were the ones I found in the debian package repo.

In comparison, it was much easier to do in JACK, where I could create the filter stack in jack-rack[1], which has a GUI, and do the plumbing in qjackctl.

[0] https://www.freedesktop.org/wiki/Software/PulseAudio/Documen...

[1] http://jack-rack.sourceforge.net/