> jackd -R -d iec61883 -o osc.udp://localhost:31000 -p 64 -b 64 -s 0 -i > 8 -t 16 -r 8192 > Replacing "-t 16" with "-t 8" gives 596.712 596.713 596.714 596.713 and after restart: 602.708 602.708 602.708 602.709 Running down to "-t 4" increases the delay: 620.712 620.713 620.714 620.713 I think I need a better understanding of the tech details. Where can I find them? --Dmitry.