On Thu, Apr 22, 2010 at 1:36 PM, R P Herrold <herrold@owlriver.com> wrote:

On Thu, 22 Apr 2010, Michael Havens wrote:

when you watch and it goes to commercial sometimes they show less than one
second of a commercial and then go to another one... anyone know why?

local 'drop in' adverts run on top of (in place of) the national feed; additionally one can buy differnt drop in's for different customers, as is a commonly pitched 'advanage' of placing adverts through a Cable operator.

Obviously clock synchronization down to the sub second is not attained as to 'cuts' between content feeds; when this happens, the 'blips' appear

You can see this kind of 'missed switching timing' a lot on CNBC and so forth

-- Russ herrold
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