All computer operating systems prioritize audio over virtually everything else including midi - want a solid clock from a computer - use an audio click track

This is because most users will notice and complain if replaying audio is jittery - in reality very few computer users actually use midi

-- JimHowell1970

What is an audio click track? Would this be for example in Ableton using CV Clock Out (CV tools in Ableton) as the clock source?

JB