Devices > Video Cards, Monitors, Televisions, and Projectors

strange video stuttering problem

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TheShoe:
@tij - that "refresh Rate option" is not present in my version of windows.

under Display Settings -> Advanced Display Settings, it shows the top half of your image, e.g. resolution, etc. but there is only a link to "DIsplay Adapter properties for Display 1".  Clicking on that takes me to the "Generic PnP Monitor and NVIDIA Geforce 1650" adapter properties dialog, same as you would see if accessing via Hardware Manager.

the only place I can change refresh rate in Windows is the nVidia control panel *or* the adapter properties dialog.

tij:
Darn ... i might need to take a plunge and upgrade to 2004 ... to figure it out lol

tij:
Installed 2004 build 19041.572 ... you are right @TheShoes - there are no refresh rate change in display settings (must have been removed from test build due to instability)

atm on MC 27.0.20

3D framepack still works with NVidia 425.31

I have not noticed any stuttering on 23 or 60 stuff

very strange problem you got there

EDIT: spoken too soon ... 60fps progressive 4K is stuttering for me (60fps interlaced HD has no problem) ... rendering time are good, but "present queue" is not filling in ... sounds stuttering too

... this is interesting as I start my desktop in 23.976 ... and have problems with 60fps stuff

... i guess you starting desktop in 60fps and have problem with 23.976 stuff

EDIT2: my 60fps progressive 4K is not triggering HDR on TV if use passthrough (23.976 stuff triggers HDR passthrough) ... this makes me believe it all depends on which refresh rate you start your comp in ...

in my case I start at 23fps ... so that stuff works including HDR passthrough and 3D ... while my 60fps progressive stuff stutters and fails to trigger HDR passthrough (MadVR tone mapping still works)

in your case you start at 60fps ... so 23fps stuff fails for you - stuttering, 3D does not trigger (I bet HDR passthrough for 23fps stuff fails to trigger you TV into HDR mode too) ... probably reason 3D does not work for guys in another forum

... I am a bit lazy to restart my computer at 60fps at the moment to test this theory ... maybe tomorrow

TheShoe:
well, as I mentioned:

My 1080ti, latest nVidia drivers, latest Media Center, latest Windows == 100% working fine.  I boot into 60Hz, 8bit RGB Full.  When playback starts and refresh rates changes to 23Hz, no stuttering.  HDR works fine, and drivers even switch to RGB 12Bit/Full :). So I can now just run everything in RGB.

The stuttering issue is only on that 1650S.  Doesn't matter refresh rate what I boot that PC into

Will try some additional experiments as a few of you suggested and report back :)

For the 1650S HTPC however, leaving it at 60Hz, playback of any video looks fine to me.  No artifacts that I can see, so in the end likely just to call it a day and leave it that way.  It just doesn't make sense to me :)

tij:
do you have those weird 4k 60fps stuff (Billy Lynn or Gemini Man) ... does those stuff run OK on you 1080ti system?

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