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Is Dual Broadcast Monitor Playback Possible?

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Reuben Fink
Is Dual Broadcast Monitor Playback Possible?
on Jul 9, 2018 at 12:27:14 pm

I'm trying to output to two broadcast monitors at the same time. I have two black magic boxes plugged into my MacPro and both are being detected by Davinci but I can only choose one or the other not bot simultaneously. Do you know if it's even possible to make this work?

Thanks.

OSX 10.13.5
Equipment: 2.7 ghz 12 core Mac Pro Late 2013
32 gig of ram - AMD FirePro D700 6144 MB


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Michael Gissing
Re: Is Dual Broadcast Monitor Playback Possible?
on Jul 9, 2018 at 12:44:52 pm

Many Decklink cards have dual SDI output. So yes you can have dual outputs to a broadcast monitor. I have the 4K Extreme which is PCI and can do this.


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Reuben Fink
Re: Is Dual Broadcast Monitor Playback Possible?
on Jul 9, 2018 at 1:13:22 pm

Great thanks. Would that also apply for dual HDMI as well?

OSX 10.13.5
Equipment: 2.7 ghz 12 core Mac Pro Late 2013
32 gig of ram - AMD FirePro D700 6144 MB


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Michael Gissing
Re: Is Dual Broadcast Monitor Playback Possible?
on Jul 9, 2018 at 1:34:32 pm

My card only has one HDMI out so no. I use SDI to HDMI converters. That way I can use my patchbays and cabling between computers in the machine room. Much simpler than having to patch HDMI and run 15 metre cables


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Marc Wielage
Re: Is Dual Broadcast Monitor Playback Possible?
on Jul 10, 2018 at 12:17:09 am

No, you can only use one Blackmagic card at a time. But you can use splitters and/or distribution amps to feed multiple monitors. And as Michael notes above, several Blackmagic video cards provide both HDMI and HD-SDI outputs, and you can always use an adapter to change HD-SDI to HDMI (or vice-versa). When using HD-SDI, it's generally possible to loop the output of the monitor to a second monitor (or even multiple monitors).


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