So many times I see a guy video calling another crew across the country and it can take a solid 5-10 seconds before we hear them reply. I’ve seen kids in siberia with better ping.
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I worked in a small tv station and did a bunch of live broadcasts – these days we’re mostly LTE based, we use devices such as liveu 600 that uses 13 different connections to send the data, it’s also encoding in HEVC which is pretty fast while giving good quality and so overall the delay is minimal, below a second. Even adding all the other gear between us and your tv it shouldn’t be much.
Where i worked the delay was mostly intentionally added at the last step so that the director could cut it in case something happened. It was funny because we were using normal phones for communication so back in the station you’d hear the reporter talking a couple of seconds before seeing it on the screens.
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