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Wirecast has a utility that does just that, but another option is NewTek's format called NDI. NDI, short for "network digital interface," sends low-latency video over the network. The easiest way to do it is if your worship/presentation software is NDI aware. With software-based options, you could just get a capture card and capture the output of the presentation computer directly into the software. These range in price from a few dollars (for no-name SD versions, which you should avoid) to a few hundred for models from AJA, BlackMagic, etc., which tend to give you a better signal (in HD or better, too).Īnother option is that you can capture the output in the worship software computer and electronically send it to the switcher/encoding software, either on the same computer or over the network. With encoder software (and some switchers, especially those like the Tricaster, created by NewTek), you have an option.
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Then, either key the worship lyrics, etc, over the camera or switch to full screen.
into the other (assuming everything is the same resolution). So, if you're using a video switcher, it could be as simple as plugging a camera into one input and one of the outputs of your D.A. or more. Its technical name is a Distribution Amplifier or D.A. Most people erroneously call them "splitters," but that's not correct because they aren't passive devices. They're doing some work to make sure the output signal is at least as strong as the input, not half of it.
There's a device which amplifies and splits the signal so that one output can easily become two. or more. Its technical name is a Distribution Amplifier or D.A. Under some circumstances that idea might work, but there are a couple of problems. You need an additional output and your computer would need to support it. MacOS, for example, can duplicate two of three displays, but doing so puts additional strain on the computer. That's also true on Windows. One of the first ideas a lot of people have is to use an additional video output as a duplicate or mirror of the main one you're already sending. If you've only got one projector or television, you might wonder how you'll send that output to two places instead of one. How do you get the output of your worship software into your switcher or encoder? Before, it was just turning the camera, but now it's more complicated.įirst, let's look at the video switcher solution, since in some ways, that's the easiest problem to solve. Let's assume you've already got PowerPoint, Keynote, ProPresenter, Proclaim, Easy Worship, MediaShout, or any of the other presentation software packages, whether secular or church-focused, running to a projector or other display for your in-person congregation to see. Let's start with an obvious problem though. How do you get the output of your worship software into your switcher or encoder? Before, it was just turning the camera, but now it's more complicated. But whether you do that or just switch to a full screen image of the output of the worship software, you'll have better results than the alternative of shooting the screen. In an earlier article, I talked about the different types of keys you'd use to superimpose worship software onto a video source. consider the cost of the computer, software (maybe), and capture cards when you compare prices.
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Ideally, you'd want to look at a video switcher. Sure, they're a lot more money than just holding up a smartphone, but if you want to go to the next level and add in multiple cameras or just the output of the worship software, it's a great choice. If you're comparing it to free software for switching and encoding, you'll think a switcher is a bad deal. Instead, consider the cost of the computer, software (maybe), and capture cards when you compare prices. So, how do you do it?įirst, you need a system that can switch between the camera and the worship software. This will require, at the very least, a different app for your device or a computer that would do the encoding using OBS, Wirecast, vMix, etc. The other is even harder to correct. Sure you could awkwardly frame a shot or quickly pan over to a screen, but neither of those are solutions like capturing the output of your worship presentation software and showing that instead of a video of it on the screen. There are two primary problems with using a smartphone or tablet to live stream your service from the back of the room. The first is zoom. Getting close enough to the action without sacrificing image quality can be difficult, especially if your leaders won't let you get close enough to account for the limitations of the lens in a mobile device.