[monomer]

Originally Posted by space2012

and what is this according to you?


Same Signal, same cables, same converters, same drivers, same soundcard, same software, same AC power, DIFERENT CLOCKS!
__________ vs. __________
Clock A.(L) vs. Clock B.(R)
Ext.Clock.(L) vs. Internal Clock.(R)

This looks like the AD and DA are clocked differently.
Maybe bad termination.
But i do not see jitter.