Question / Help Black Magic UltraStudio 4K Audio Drift

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splitnails

New Member
Hi, when i record in OBS or live stream, my audio with drift from 0-250ms. Its quite noticable and annoying. I have hardware buffering on. But im not sure why this is happening. I have the US4k setup for analog audio in and HMDI in. Any help would be killer. Thank you!

Specs

2013 Mac Pro
16gb ram
6 core
flash storage

(its pretty quick)

I am up-scaling from 720p to 1080p
 
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bluesmax

New Member
This is a problem with Blackmagic - audio does that with it. No fix. I have external audio interface and all audio goes to that and from that to Mac. It works perfectly.
 
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