Quote:
Originally Posted by Raider999
Noticing a worse PQ lately, presumably as a result of Mpeg4 compression?
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I recall someone, I don't want to misquote someone or attribute it to the wrong person, saying MPEG4 compression algorithms can't reproduce 720x480 resolution spot-on so they do 704x480 (or similar) since there is no point in going slightly bigger, and it's closest resolution.
If this is true it could explain it. MPEG4 compression apparently works better on reproducing other common higher resolutions so maybe with HD becoming the norm many in the industry think the trade-off is worth it for the remaining SD channels as it simplifies their infrastructure and lowers costs by running as few codecs on networks as possible.