http://bugs.winehq.org/show_bug.cgi?id=1631
------- Additional Comments From M.B.Lankhorst@gmail.com 2007-07-08 04:22 ------- To see if the sound stuttering is caused by underruns, simplest way is doing WINEDEBUG=warn+dsound
on wine 0.9.42+ it would say: warn:dsound:function: Probable buffer underrun