LED Update Lag

  • I just finished the initial implementation of my setup and I'm trying to fine tune some of the settings, but I can't seem to get rid of a 0.5-1s delay between the tv updating and the LED updating. I've adjusted the smoothing settings every-which way and adjusted the LED baud rate without success. I'm not sure if this is a hardware limitation or a software one. My setup includes the following:


    • Raspberry Pi Zero (I've also tried a Raspberry Pi 3 Model B)
    • 244 SK6812 LEDs
    • This capture card
    • This Splitter


    Any help would be appreciated, even if I can reduce the lag and not get rid of it.


    Thanks,


    Rob

  • After playing around with the settings some more, I think I got it to an acceptable level. I ended up manually setting the USB capture settings and changing the device resolution from 1920x1080 to 1024x768. It still has good color detail, but I'm assuming it lowered the processing required to grab the colors from the video signal.

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