On 3/20/08, Patrick Smarzynski <patricksma at gmail.com> wrote: > Good news, no more stuttering on vista :) Thank you for your guidance. > > In fact Ptime set to 20ms fix it. With only Dsound change it is still > stuttering. Sorry I'm not clear here. Did you mean if you set ptime to 20ms, audio is good with *both* DSound and WMME backend, or with either DSound/WMME only? > I test Ptime change on XP and sound quality is good. > Yeah quality/stability should improve with longer ptime, but it may increase latency. thanks for the report -benny > I have to make more test to say if sound quality is better under XP. > > Tested under Vista 64 bits, DirectX version 8. > > Regards, > > > Patrick Smarzynski