I made a couple of tests and I hope this will shed some light as to what is going on.
I put a pc between the zynth and did record the midi there with reaper, as well as on then pi5 zynth. So both recordings should be the same, but they are not. In addition to that I also captured the Midi log.
The midi hangs are not as bad as directly connected but still there and happen instantly. Channel 3 seems to be the worst.
There is also something wrong with the midi recorder because channel 3 does not play afterwards, it does play during recording. I believe channel 3 and 1 got swapped, on the zynthian recording.
2025-03-06_08_56_34_last_state.001.mid (2.3 KB)
pi5_midi_through_pc_real_t1.mid (2.5 KB)
pi5_midi_through_pc_real.log (32.3 KB)
014-tut3.zss (8.0 KB)
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