Lately I've noticed this stutter coming in around 7-20 seconds of the track playing.
Just tested this on a dozen tracks and around the 8 second mark or so it does it.
When the track is stopped and then played again the stutter goes away.
It's bloody annoying lol as I know these tracks note for note (being a guitarist).
Latest unified sound card drivers on a Xonar D2X on win7, cpu doing nothing.
Doesn't matter if the track is on a hdd or ssd.