I demand that Timothy D. Lenz may or may not have written...
My local stations here in the US are doing the reverse on all primary atsc channels. They add bars to the side for anything that is not wide screen to make it wide screen. So 4:3 stuff on my 4:3 tv are in a little window because the software then adds bars top and bottom to put it back to 4:3 :(.
http://www.google.co.uk/search?hl=en&q=%22active+format+descriptor%22
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