Hi
I'm part of the support team of the Smode Tech Company that develop Smode Software
We are successfully using Blackmagic Decklink PCIe capture card since several years right now.
BTW our Japanese customers encounter an issue with your Blackmagic Design DeckLink Quad HDMI Recorder hardware when used to capture UHD 23.98hz genlock video signal
29.97hz and other frequency signal capture are ok.
As you can seen in your capture software, a pink line appears on top of the picture
The thickness of this line depend of the chosen color space:
YUV 10 bit has 12 pixels shift down
RGB 10 bit has 6 pixels shift down.
We are using Desktop Video 12.8 runtime and SDK
Video signal was sent by an Nvidia A6000 GPU with Driver 522.22 and genlock with QuadroSync firmware v2.21. Operating system was Window 11
![Image](https://shop.smode.io/download/utilities/BlackmagicForum/BlackMagicCapture.png)
![Image](https://shop.smode.io/download/utilities/BlackmagicForum/BlackMagicCaptureZoom.jpg)
Thanks in advance for your helps on this.
All the best