I find it interesting that whilst satellite delays used to be obvious when studio presenters interviewed live reporters from the States, now there is usually (though not always) no obvious delay. I assume that this is because these transmissions now often come by fibre. Or is there now some cleverness which delays the local stuff just enough to compensate for the round trip to the geostationary satellites?
Mobile fones do delay the signals but TV is worse more coding and decoding etc . Its modern digital tech. The delays on FM compared to DAB are around 20 seconds;!..
Your initial assessment about the use of fibre optic transatlantic undersea cable routes is the correct one, your second hypothesised option doesn't exist.
Teenagers do it all the time. I traveled with a train load of them a few months back, they were texting persons sat a few yards away and speaking to persons only a little further by phone.
Weird eh?
There's at least one on the internet. She is younger but still ugly.
The text messages were probably something like ," Have you seen that wierd looking old git staring at us, he looks like a sex offender and has got BO"
G.Harman
Yes I have noticed this. I suspect its due to the use of digital links over the internet and mobile network or whatever. Every hop will add a delay and if they use a satellite even more of course. In the old days it was simple. You just picked up a radio mike and sent it down a nearby leased line, but now they don't do that, they do the whole thing over a streaming system ofsome kind instead. Brian
It does sometimes. It depends on the route used in the infrastructure and how busy it is. Also i have noticed a lot of large companies now use Voip and the quality of their phones degrades at busy times of day, quite audibly. Brian
I was aware some time ago of a device that was originally intended to gradually rebuild delays when a presenter hit the dump button on an abusive caller so the world never heard them that was used to basically delay the interview and edit out the quiet bits. This worked well when the link was silent between people talking but with a loud noise in the background produced weird echoes and a lengthening delay instead of just one delay at the start, and in some cases you could still hear the echoes in the background of pick up at either end, as the delay was in fact still there for the two reporters. Brian
You owe me a new keyboard.
And ones without those hideous black bikinis ;-)
Every time my wife can't find her phone.
ITWYM is digital is behind analogue.
There is more delay between your loudspeaker and ear when listening to pips than over an entire analogue chain. That isn't instantaneous, but is near enough in practice.
It used to be said that the GTS emanating from Droitwich is accurate when heard on a receiver 100 miles away. As luck would have it I live precisely that distance away as the RF flies.
I Doubt if this will increase the value of my house much though.
Back at Broadcasting House, London, was the criterion - yes about 100 miles
The analogue signal proceeds along the cable etc at not far short of the speed of light. So a 100 miles here or there isn't going to make much difference. ;-)
In article , "Dave Plowman (News)" writes
For the benefit of the leftie thicko let me explain that analogue ahead of digital means the same as digital behind analogue.
For something like a time signal, no it doesn't.
The problem these days in Broadcast is that theres precious little that's analogue all the way. The BBC use a lot of digital distribution now gone are the days of analogue landlines....
Anyone listening to a Test Match on a combination of Long Wave, DAB and via Internet will be familiar with the differing delays involved.
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