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aja corvid 88 inputs dropping ins 25 but not 24 - Corvid-88
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caelim  
#1 Posted : Friday, July 15, 2022 9:06:29 PM(UTC)
caelim

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Having an odd one...

Running two Corvid 88s windows 10.... amd machine threadripper workstation with an a6000

On vmix 24 having no issues with the corvids

when on vmix 25 they keep blinking in out in the input windows...

The inputs are actually like dropping out of the program and coming back in moving the windows around.
the corvids are on the most recent firmware from aja
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NICHOLASG  
#2 Posted : Tuesday, May 30, 2023 3:36:58 PM(UTC)
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Same issue in 26 now

Different rig... still corvid 88s

I've been using my black magic cards for a while trying to get these corbid 88s working

An atem 8k is feeding color bars in through a 40x40.

Sdi is verified to not be blinking.

Corvid 88 seems to be most update firmware

This is 26.0.0.44

Corbid isn't blinking in any other programs

This is a windows 10 machine upt to fate. A5000 gpu most recent drivers

Intel extreme i9
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NICHOLASG  
#3 Posted : Tuesday, May 30, 2023 4:15:12 PM(UTC)
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Just to be vlear this is isolated to the corvid 88s... the black magic 8sdi card doesn't exhibit this behavior with the same cable/signal/pc rig show file everything
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admin  
#4 Posted : Tuesday, May 30, 2023 4:57:22 PM(UTC)
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This blinding means the card is reporting different formats, and vMix is resetting the input to match.
This is usually caused by a bad or borderline SDI signal, perhaps due to bad cables, adapters, or an issue at the source.

Try running a short SDI cable from a known working camera source as a test, if it persists, try replacing the SDI to mini SDI connector.

Regards,

Martin
vMix
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thanks 2 users thanked admin for this useful post.
eduardocfs on 5/30/2023(UTC), NICHOLASG on 5/31/2023(UTC)
NICHOLASG  
#5 Posted : Wednesday, May 31, 2023 4:25:12 AM(UTC)
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Ohhhh fascinating ok thanks.

Will do and report back.
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NICHOLASG  
#6 Posted : Wednesday, May 31, 2023 4:27:56 AM(UTC)
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Oh wait I just remebered I cross patched that same cable into the black magic card and it didn't exhibit the same behavior... I'll check the cable when I unpack it again but could it be something in the corvid specficaly that is reporting different signals?


This only happens on ingest with the corvid and not output.
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NICHOLASG  
#7 Posted : Wednesday, May 31, 2023 4:41:34 AM(UTC)
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I'll also stick it into my video assistant and see if I see the frame rate changing
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