The usual setup is two machines: one running the stream, one running presentation software, and a capture card between them. It works, and it is why so many small productions need two operators.
Why the two-machine setup causes problems
- Two operators have to coordinate, usually by hand signal in a dark room.
- The text is captured as video, so it is the resolution of the capture chain rather than sharp native text.
- You cannot overlay the text on a camera — you can only cut to the presentation machine.
- When the speaker goes off-script, everything stops while somebody finds the right slide.
Doing it on one machine
Any software that can overlay text natively removes all four problems at once. The text is rendered sharp, it sits over live camera rather than replacing it, and one person runs the whole thing.
The four kinds of text you actually need
- Lower thirds — names and roles. Build these before the event, never during.
- Slides — an imported deck, driven as a source.
- Lyrics — line by line, in a designed frame.
- Scripture or quotes — searched and called up on demand, including when nobody planned for it.
The problem of going off-script
A prepared running order handles most of an event. What it does not handle is the moment a speaker refers to something that is not in it, and everyone waits while an operator searches.
Two things fix this. Fast search, so finding a passage takes seconds rather than a minute. And letting the person speaking call it up themselves from the stage, which removes the relay entirely.
Screens in the room versus the broadcast
The room and the stream usually want different things. The audience in the room wants large text on a plain background. The stream wants the text over the camera picture.
A separate text-only output solves this — the screens in the room show words, the broadcast shows the full picture, from one machine.
How Skynat Live handles it
Lower thirds in six designed styles, tickers, countdowns, imported PowerPoint and Keynote decks, song lyrics including CCLI-formatted text, and scripture in three translations that work with no internet connection.
Voice Callout lets a speaker say a reference out loud and have it appear. The phone remote lets whoever is presenting advance their own slides and call up text from the lectern, so there is no hand signal and no waiting.