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Re: [OM] IMG: The Relic

Subject: Re: [OM] IMG: The Relic
From: Chris Barker <ftog@xxxxxxxxxxxxxx>
Date: Wed, 16 Feb 2011 19:13:48 +0000
Thanks, Ken.  You've given me a couple of phrases to use so that I can sound 
knowledgeable in this area ;-)

"a deeper read-ahead buffer" could sound good in conversation . . .

Chris

On 16 Feb 2011, at 17:40, Ken Norton wrote:

>> 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.

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