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Re: [OM] IMG: The Relic

Subject: Re: [OM] IMG: The Relic
From: Ken Norton <ken@xxxxxxxxxxx>
Date: Wed, 16 Feb 2011 11:40:33 -0600
> And, the pips are around 2 seconds late.  You can't check your watch to any 
> decent accuracy so it means that you have to find a radio clock to do so.

It is actually very accurate in the studio. The problem is that you
are many miles and a number of hops away from the studio. In fact, the
feed to the transmitter sites is a digital stream which is using some
form of MPEG compression. Depending on the particular algorithm used
in their feeds add about two seconds delay.

Yup. Digital is sooo much better than analog.

;)

I had actually worked with that particular broadcast company when they
were deploying the digital STL links and this was a major issue. The
older MPEG technologies were actually much quicker and efficient, but
as usual, they insisted on deploying "the best" which meant far more
overhead and a deeper read-ahead buffer.

Now we're deploying IP-based streaming technologies over fiber and the
delay is getting worse and worse.

AG
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