I was referencing anything to an external, local reference. My comment was
the time difference between the FOX on screen timing and the ball dropping
fireworks. Presumably, the on-screen timing was inserted at their local
control center in NYC, not after satellite hops.

-John

============


> On Sun, Jan 01, 2012 at 05:54:46PM -0800, J. Forster wrote:
>> To me the ball drop/fireworks was different from the on-screen time on
>> FOX
>> by a few secnds.
>
>       I was watching the media pool HD satellite feed on AMC-1 and
> through a broadcast grade IRD (ex PBS Bitlink ) it appeared to be about
> 2 seconds slow relative to  my house NTP timing.   This would about
> exactly match what I would expect for uplink encoder, satellite path,
> and decoder delays.
>
>       I would expect a TV station using that feed might add anywhere
> from 1-6 seconds to the delay in their internal processing to OTA... and
> a digital cable system might add further delay to that (couple of more
> seconds at least).
>
>       Real time TV these days is only RELATIVELY real time.
>
>
> --
>   Dave Emery N1PRE/AE, [email protected]  DIE Consulting, Weston, Mass
> 02493
> "An empty zombie mind with a forlorn barely readable weatherbeaten
> 'For Rent' sign still vainly flapping outside on the weed encrusted pole -
> in
> celebration of what could have been, but wasn't and is not to be now
> either."
>
>



_______________________________________________
time-nuts mailing list -- [email protected]
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.

Reply via email to