NDI MultiCasting to YouTube & Facebook - Plus a Remote Green Screen Guest
This live show with Eric Pratt reviews some of our latest uses for the NewTek NDI namely multicasting to YouTube and Facebook at the same time. Paul reviews how we use vMix with the Newtek NDI to connect multiple computers to live stream the perfect 1080p stream for YouTube and the perfect Facebook 720p stream. We then look at the NDI Store where Eric has multiple products available. We will review how the NDI Store can be a valuable resource for your video productions whether you use vMix, Wirecast, Live Stream, OBS, xSplit or the TriCaster.
MULTICASTING WITH VMIX AND NDI
As you can see in the picture above we connected a second laptop to our primary live streaming PC using the NewTek NDI built into vMix. We then use our secondary computer to live stream to Facebook. This has always been an issue for us because we wanted to be able to live stream to both platforms but could not transcode each RTMP stream from vMix uniquely. Broadcast to both YouTube and Facebook at 1080p resolutions at the same time caused buffering and we could not support the bandwidth upload speeds. I also think that there were issues on the Facebook side trying to accept a resolution higher than their supported 720p streaming resolutions.
MultiCasting Process:
This approach to multicasting worked wonderfully and it opens up some new doors for slightly altering/catering our main live broadcast for each platform. For example, since Tess has control of the Facebook live stream from her vMix installation she can display catered messaging to the audience. We are starting to see some very interesting live broadcasting techniques open up as we play around the NewTek NDI. This technique also removes any worry about Facebook not allowing multicasting on their network. Since the stream is altered is no longer a true copy of the original live stream and is therefore unique content for the platform. We have considered showing secret Facebook Live Reaction questions which only the Facebook community can participate in, but we also have to make sure we are not upsetting our YouTube Live audience at the same time.
Using WebCaptioner:
We used the WebCaptioner to produce live closed captions on our broadcast today. It worked out perfectly and the accuracy for the closed captions were quite good. The Webcaptioner is great for live closed caption overlays using your favorite live streaming software’s ability to bring in a web-browser input. With almost every live streaming software there is a way to do either a desktop capture or a web browser input with OBS, Wirecast, vMix, LiveStream Studio and even the TriCasters.
Green Screen Remote Guest w/ Virtual Set:
Ok, that is a mouth full… but I guess that’s exactly what we did here. Eric came into the vMix production using vMix call. So let’s call Eric our remote guest who happened to be in front of a green screen. In fact, Eric is the creator of Virtual Set Works and the very virtual set we use in our weekly broadcasts on YouTube and Facebook. So, inside each virtual set in vMix you have a couple options for incorporating inputs into your virtual set. The talent layer, is used to position your video with a chroma key applied in front of your background and behind an object to give the set it’s realistic look and feel. So instead of using my main broadcast camera in the talent layer, I created a virtual input from my main camera and added Eric’s video from vMix call next to it with a chroma-key applied. So that’s it! Looks pretty cool. But I have to say it’s
So that’s it! Looks pretty cool. But I have to say it’s difficult to do virtual sets with multiple guests unless they are inside a Television layer as we do each week with Tess. This effect works great inside the virtual set because if the lighting is slightly off it still works. With Eric this week his lighting was clearly different from ours and his audio levels were much different.
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