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Re: [Shop-talk] radio/tv sync?

Subject: Re: [Shop-talk] radio/tv sync?
From: Matt Wehland <>
Date: Sun, 30 Dec 2012 22:47:25 -0600
References: <> with any abuse report
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Ok a quick search turned this up-
No Idea if they work.


When I worked with this was a real problem.
Sometimes we would get audio not in sync from the broadcast truck.
There solutions ranged from ten's of thousands of dollars (could only 
delay audio, not video) to a custom million + dollar A/V router system 
that had audio/video delays built in for just this problem (and many others)

You basically need a program/hardware that will delay the audio 
(normally ahead of video) or delay the video (not often the issue) and 
then manually sync them up and hope the delay doesn't change for the 
duration of the event.

Heck just try having 2 TV's on cable, one HD one SD, there is normally a 
significant delay between the 2 boxes on the order of a second or more 
on the local cable system.
Makes it funny listening to the neighbors scream for a play a second or 
more apart.
Even worse if the 2 TV's are in the same room/house.

Useless knowledge Alert-
In the old analog video days it was standard practice to use long runs 
of cable (100's of feet) to time the delay of video signals through 
different pieces of equipment.
Also had to be sure to keep the RGB signal cables the same length or you 
ran into color shifts.

Sorry I can't be of more help.

On 12/30/2012 5:56 PM, Tim wrote:
> As you all know, there is a pretty significant delay between radio and
> TV when watching a football game.
> Is there a way to sync the radio and TV broadcasts of a sporting event?
> Thanks
> tim
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Matt Wehland
(815) 549-1502

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