On 23/05/2020 19:51, Dave K1SX wrote:
I did not see any over/underruns in VAC, but warnings in the VAC log did prompt 
me to change an interrupt timing setting, and I have not see the problem since. 
 Although, it was not easy to catch in any event.

Hi Dave,

adusting the VAC interrupt interval is the right way to address buffer over/under-run issues. I believe the latest version of VAC changes the default interrupt interval from 5 mS down to 3 mS, that means it spends more time processing samples and is likely to suffer a backlog.

73
Bill
G4WJS.



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