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Gigowatt Film
Known Participant
July 27, 2023
Question

Mercury transmit stutters - Decklink Studio

  • July 27, 2023
  • 3 replies
  • 352 views

Hello

I have a brand new build (13900K/Z790/192GB Ram, 990Pro NVMEs....) win 10 N.

 

I use a decklink Studio 4K to output on a Oled 55' and another 4K monitor.

 

The output has choppy issues (like a judder more than a stutter). I only play 1080P50.

 

Now, If I disable mercury transmit, than re-enable it. The problem is gone, only to reappear a few seconds later after a few scrubs.

All my drivers are up to date.

Any Idea ?

Thank you

This topic has been closed for replies.

3 replies

G
Gigowatt FilmAuthor
Known Participant
September 11, 2023

I discovered something interesting.
See I have 3 PC screens and 1 oled monitor to which the decklink is attached to have a full screen client monitor.

My main screen 21/9 screen had the premiere GUI with every windows I need except for the program nscreen, which I have  undocked on my second screen. The windows is as big as I can but not quite in full screen (it seems impossible to redock to another screen fullscreen, which is not handy).

I discovered today that if I toggled it full screen (I changed the shortcut to &), then the playing was seamless on both of the decklink and second screen. The setback is that you cannot work on the program screen this way (to mask, to put a text etc...).

So I guess that there is a resolution/downscaling problem in the recent versions of premiere. Like if your monitor is not fullscreen at the same rtesolution everywhere you can, see it, it causes problems...

    JonesVid
    Community Expert
    JonesVidCommunity Expert
    Community Expert
    August 29, 2023

    Interesting as I have just started getting this issue

    I have 13900K on a Z690 using NVidia 2070 Super GPU Win 11 64 bit.

    Two 4K monitors driven from the 2070. I noticed choppy /stuttered video and spent ages trying to debugh it - then disabled and re-enabled Merury Transmit and it went away.

    Randomly it can appear again as you say a few seconds later.

    A cold restart seems to cure it for a while then it comes back at random.

    All drivers up to date.

     

     

    G
    Gigowatt FilmAuthor
    Known Participant
    August 31, 2023

    Hello,

    It seems to be the same behavior as yours, except that a cold restart doesn't solve anything for more than a few seconds.

    All drivers up to date, though I use v23.5 for premiere. I tried 23.6 (same stuttery behavior), but I had a lot of stability issues with it 😕😕

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