MPEG 4 really only provides better compression it does not necessarily give a better picture. Yes, given the same size of compression MPEG4 should be better then MPEG2 but the picture quality depends more upon how much DirectTV wants/does compress any channel. My guess is that they went to MPEG 4 so that they could compress more and keep the same level of quaility.
MPEG 4 really only provides better compression it does not necessarily give a better picture. Yes, given the same size of compression MPEG4 should be better then MPEG2 but the picture quality depends more upon how much DirectTV wants/does compress any channel. My guess is that they went to MPEG 4 so that they could compress more and keep the same level of quaility.
It is too bad DirecTV doesn't get the feed from the local channel before it goes through MPEG2 compression. They could deliver a better MPEG4 signal. They wouldn't have to transcode the MPEG2 to MPEG4. Am I correct?
It will be interesting to see the quality of the National HD channels that will come via MPEG4. I would think the signal that DirecTV (or any other provider) gets from the national networks(Discovery, HDNet, etc.) is not highly compressed.
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