Read this: Synchronising broadcast and IP delivered components - IBC 2010 - BBC Research and Development
Summary: You get some interesting, and sometimes rather annoying, problems as soon as you have more than one device simultaneously presenting the same content or more than one delivery path for separate components of the same content. It gets even worse if you have two separate devices with two separate delivery paths. Anyonewith an AV amplifier hooked up to a TV receiver will have either struggled to get the lip-sync right or given up and stopped paying too much attention to lip movements. - bbc.co.ukwww.bbc.co.ukSynchronising broadcast and IP delivered…
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