I get extreme latency while playing my midi keyboard going into my Sonar
machine that triggers my GigaStudio machine. There are so many paths in
the chain that I can't tell if it's the midi interface coming in, going
out, or the audio path returning. Where do I begin?

My Sonar machine:
Win XP
Sonar 4
MOTU Express XT midi interface (parallel)
Aardvark Q10 sound card

My GigaStudio machine:
Win XP
GigaStudio 3
MOTU Express XT midi interface (parallel)
Echo Mia sound card


Is it more likely that the problem is with the midi signal getting to the
GigaStudio program, or the digital audio coming out of the Mia card and
going back into the Aardvark card?

Any clues are greatly appreciated.