I’m wondering if there’s an efficient way to use both PiSound and the internal headphone output in Jack, so I could use it for in-ear monitoring without the need for an external mixer. I tried using
alsa_out to register the internal RPi audio as a JACK client, but I noticed it takes quite a bit of CPU and I’m experiencing frequent clicks.
Is there a better way or is it just not possible? I also have a small Sabrent USB audio interface. Would it work better?