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#1 Posted : Monday, July 17, 2023 12:32:03 AM(UTC)

Rank: Newbie

Groups: Registered
Joined: 5/19/2020(UTC)
Posts: 2
Location: Milano

I do every day, 8/ 9 hours of a live event where I can't interrupt the feed using both external.
6 Incoming SDI feed and 2 outgoing SDI feed in Full HD 50i

I have 2 twins machines as below:
Windows 10 Enterprise, Intel i9 10940X 3.30GHz 28 logical, Asus Pro WS X299StageII, Ram64Gb, rtx3080, 4Tb ssd, DeckLink Quad 2 as main, and DeckLink quad as backup.

Unexpectedly and randomly I have audio or video shuttering problems, the problem almost always occurs only on the external 1, can happen on the beginning after a few minutes from the start, or can happen after 6 hours, it seems to be really random.
Sometimes the problem is in the audio-only, and sometimes it is video-only, it never happened at the same time.
Using the DeckLink Quad card the problem does not occur jet.

These problems happen on both machines only when using the DeckLink Quad 2 and mostly on the external 1, the external 2 didn't have any problem.
Can happen the opposite when External 2 gets the problem and Ext1 does not but that's very rare.

Below is the link where you can see the problem.
In the video can see that I connected both External on the SDI monitor with double SDI input, on the SDI1 wase External 1 that is getting the audio shuttering issue, and on the SDI2 External 2 without an audio issue.
the 2 videos show the video shuttering issue and show the same situation External 1 with shuttering, External 2 does not.


any suggestions?
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