Users of analog video transmitted on the cable are unaffected.
Camera master tapes were dubbed as black and white analog video to very large computer memory discs.
Before the year 2000 horizontal lines of resolution was the standard method of measurement for analog video.
This disc could hold an hour of analog video along with digital audio on both sides.
The digitized and processed video information from these units would then be converted back to standard analog video.
Another distinction is that digital video has a much better resolution than analog video, typically 500 lines.
In analog video or TV systems, this causes ghosting in the image.
This may be useful, for example, when applying edge enhancement to images that were originally sourced from analog video.
Learn more with the 3 analog videos in this playlist.
It also has analog video and audio outputs for monitoring.