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Capture card with 2 SDI in and 1 SDI out
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swcreative  
#1 Posted : Tuesday, December 8, 2015 7:17:14 PM(UTC)
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I'm looking to add a scorebug to a live switched hockey feed with VMIX using a live camera pointed at the arena scoreboard.
I need to know of a capture card that can take 2 SDI signals in and output the VMIX program on SDI simultaneously. We are running everything in standard def 16:9 right now, so HD isn't necessary, though I know most cards today support it anyways.


This is how I plan to use VMIX with 4 overlay channels to achieve this:

Switched feed on the main layer
Overlay 1 using scoreboard camera feed cropped to the time clock
Overlay 2 using the scoreboard camera feed cropped to the home score
Overlay 3 using the scoreboard camera feed cropped to the away score
Overlay 4 using a custom scorebug "Title" graphic with text areas to put in the city abbreviations.
(I know I might need to use some multiview trickery in order to use the same input source 3 times but I believe it can be done.)

Then I want to take this combined feed out through SDI, it will then get distributed to a webcast & in-house TV screens.

Here is an image showing what I am looking to do, as I said the time/scores would be a feed coming from a camera pointed at the arena scoreboard.
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sinc747  
#2 Posted : Tuesday, December 8, 2015 11:57:34 PM(UTC)
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Blackmagic Decklink Quad
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swcreative  
#3 Posted : Wednesday, December 9, 2015 8:22:43 PM(UTC)
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Is that the only option around that price or cheaper?

I see the decklink duo has 2 ins and 2 outs, is that limited to only 2 in or out at once?
If so would a decklink duo work for the 2 capture and add a decklink mini monitor for the output?
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Stealth77  
#4 Posted : Wednesday, December 9, 2015 10:29:00 PM(UTC)
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Blackmagic decklink duo not full duplex card,work onli out or input. You need to use more mini monitor for output.
I would have used the Blackmagic DeckLink HD Extreme 3, it can be used for the Title key + fill, since decklink duo does not synchronize properly concluded key + fill
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IceStream  
#5 Posted : Wednesday, December 9, 2015 10:37:39 PM(UTC)
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@ swcreative

I believe the "Decklink Duo" is only two channels which can be either 'In' or 'Out', so you could have 1 'In' and 1 'Out', or 2 'In' or 2 'Out', but not 2 'In' and 2 'Out'.
(Someone correct me if I am wrong)
There are a multitude of capture cards and boxes at a variety of price points that should be able to accommodate your needs, you are best to do some research to narrow your choice:

http://www.magewell.com/...ture-quad-sdi/tech-specs
https://www.aja.com/en/category/developer
http://www.ospreyvideo.c.../products/digital-series
https://www.blackmagicde...klink/techspecs/W-DLK-01
http://www.matrox.com/video/en/products/


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r@wisla  
#6 Posted : Thursday, December 10, 2015 4:47:03 AM(UTC)
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swcreative wrote:
Is that the only option around that price or cheaper?

I see the decklink duo has 2 ins and 2 outs, is that limited to only 2 in or out at once?
If so would a decklink duo work for the 2 capture and add a decklink mini monitor for the output?

If you have 3 PCI-express slots the cheapest and good working solution would be 2x decklink mini recorder + 1x decklink mini monitor. Plus you are not limited to SDI inputs (decklink duo), because mini recorders have HDMI inputs too.
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