Quote:
Originally Posted by MrMaxwell
Yeah. Compression artifacts. Very similar to a movie that's been converted to a different format a couple of times.
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1080p sends twelve times as many pixels per second as 720p, but the satellite providers only allocate three times as much bandwidth. Therefore, they compress the hell out of it. They already compress the standard definition also, so when you're done the compressed HD content actually has about the same quality as standard uncompressed analog SD.
Old fashioned analog TV is a 6Mbps signal. Satellite HD is about 9 Mbps trying to carry twelve times as many pixels.