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Matrox VS4 Quad SDI Video Input Card


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Just wandering if anybody has any experience using the Matrox VS4 Quad SDI card as a live input with Watchout.




A client has two of these cards in PCs used for multi-track recording and streaming of live events with Wirecast. I was able to do some tests with Watchout 5 on these machines and the card shows up as a live input source - actually four times, one for each input. In my quick tests with 2x 1080i50 SDI video inputs and a 3rd live source from a PC, I saw 2 frames of delay between the source and the Watchout display (checking on a video recording with source and output visible) which doesn't seem bad compared to alternatives from Blackmagic.


The cards seem reliable for long (2-3 hour) multi-track recordings - I just wondered if anybody had experience using them as a live source with Watchout?

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