New at experimenting with glitchig video. I’m testing out the workflow for a new video work I want to make.
I am having issues with re-recording the video signal as accurately as possible.
My pathflow is the following:
windows → Blackmagic Duo 2 (4xSDI) → 4x Blackmagic SDI to analog composite → analog distortion with dirty mixer → composite out → Blackmagic Intensity Pro 4K composite capture.
I am monitoring the signal via the HDMI of the Intensity Pro 4K and I can see all the nice glitch artefacts etc. However when capturing the composite signal with the BM Declink it all disappears.
I tried to take the HDMI monitor signal into the Blackmagic Duo 2 via a Blackmagic HDMI to SDI but gives the same result. Scanlines are replaced by ugly gradients, sharpness is gone the refresh rate of the monitor is also 60Hz which gives a very nice effect. When capturing the composite it does a pulldown to 25fps…
Is there a way to get the HDMI image as clean as possible? ChatGPT mentiones to get to the frame buffer of what is on the card…
In an ideal scenario I would want to capture the upscaled composite image on my 4K monitor at 60fps…
I am getting a slightly better result when I capture via OBS but it still only runs at 25fps.
hello! I do recommend reading a bit up on the whole capture topic, we have some wikis and threads with relevant information.
the tl;dr is going to be that your best and most reliable bet for capturing 60fps 4k analog glitch video without losing all of your cool glitches is using a 4k camera to record at 60fps off of an analog crt. or alternately using the 4k camera to record at 60fps off of an LCD screen if thats where it looks better. There is no other fool proof method of preserving desirable glitches when digitizing analog video.
