1) Satellites are typically used unless really close. That causes delay. But even for close connections the data is still high bandwidth, watch a news segment from your cable provider and then watch it on YouTube, you can easily see the YouTube version isn’t as clear.
2) They have some delay if someone bombs the newscaster and starts swearing (this could be done for the whole feed though).
It’s the time it takes to encode and decode digital television.
Let’s say you have an announcer in a studio talking to a reporter in the field. The reporter sees and hears the announcer through a video path, probably through an internet connection. The announcer video and audio is encoded (that can take a second or 2), then it’s transmitted through the internet to the reporter’s location, where it’s decoded so the reporter can see and hear the announcer. That can also take a second or 2. Then the reporter replies to the announcer’s question. That video and audio has to be encoded for transport through the internet (another second or 2) and then decoded at the other end so the announcer can see and hear and added to the broadcast. That takes another second or 2. Total that all up, you get 4 to 8 seconds delay.
So it’s already been pointed out that this most likely using a satellite. Just as a interesting thought, when you tune in to watch a show see how many seconds it begins after it’s scheduled time, 4K can be around 45 seconds. Really makes those New Years Countdown shows awkward as hell if you try celebrating along.
Everybody in this thread is explaining the mechanism that makes satellite slower than a cell connection, but nobody is really explaining why they’re using the slower satallites over a cell type connection that can fall back to slow satellites if the cell signal cuts out.
If they’re reporting from a warzone it makes sense they would just do satellite, but so often hosts are talking over each other from two different studios.
local news traffic teams reporting from two miles outside the studio on a clear day seem like they could figure out a way to not have a 3 second delay.
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