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Old 25 March 2004, 15:45   #1
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VSync + sound = frame dropping

When I run in 50Hz with vsync without sound I get perfect sync (and I love it !) but as soon as I turn on sound frames are being dropped (to sync video with audio I guess) - is there anything to do about this?

I'm so close to being able to watch all those old demos they way they where intended (with _smooth_ scrolling ...

(and so there is no misunderstanding; my computer is fast enough, it's not that)
Old 25 March 2004, 16:58   #2
Toni Wilen
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 43
Posts: 22,105
Are you sure your display refresh rate is really 50Hz? Check your monitor's on screen display. (Normally you need powerstrip or similar program to create 50Hz modes or use TV-out)

Does the sound work correctly (except slightly faster due to using NTSC rate) if you use 60Hz?
Toni Wilen is offline  
Old 25 March 2004, 17:45   #3
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You are right, it's was still at 60Hz and explicitly setting it to 60Hz speeds up the sound but makes it sync perfectly.
Old 25 March 2004, 18:18   #4
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It works now with a powerstrip-fixed 50Hz resolution (yay!), but it still looks bad on 100Hz resolution, why is that?

Also, if I select (50Hz) or (100Hz) when running UAE it usually crashes in a bad way... but maybe that's got to do with powerstrip.

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