This post is by Doc Searls from Doc Searls Weblog
Click here to view on the original site: Original Post
[Later (7 April)... The issue has been resolved, at least for now. We never did figure out what caused the poor video resolution in this case, but it looks better now. Still, it seems that compression artifacts are a mix of feature and bug for both cable and satellite television. One of these weeks or months I'll study it in more depth. My plan now is just to enjoy watching the national championship game tomorrow night, between Louisville and Michigan.]
What teams are playing here? Can you read the school names? Recognize any faces? Is that a crowd in the stands or a vegetable garden? Is the floor made of wood or ice?
You should be able to tell at least some of those things on an HD picture from a broadcast network. But it ain’t easy. Not any more. At least not for me.
Used to be I could tell, at least on Dish Network, which is one reason I got it for our house in Santa Barbara. I compared Dish’s picture on HD channels with those of Cox, our cable company, and it was no contest. DirectTV was about the equal, but had a more complicated remote control and cost a bit more. So we went with Dish. Now I can’t imagine Cox — or anybody — delivering a worse HD picture.
The picture isn’t bad just on CBS, or just during games like this one. It sucks on pretty much all the HD channels. The quality varies, but generally speaking it has gone down hill since we first got our Sony Bravia 1080p “Full HD” screen in 2006. It was the top of the line model then and I suppose still looks good, even though it’s hard to tell, since Dish is our only TV source.
Over-the-air (OTA) TV looks better when we can get it; but hardly perfect. Here’s what the Rose Bowl looked like from KGTV in San Diego when I shot photos of it on New Years Day of 2007. Same screen. You can see some compression artifacts in this close-up here and this one here; but neither is as bad as what we see now. (Since I shot those, KGTV and the CBS affiliate in San Diego, KFMB, moved down from the UHF to the VHF band, so my UHF antenna no longer gets them. Other San Diego stations with UHF signals still come in sometimes and look much better than anything from Dish.)
So why does the picture look so bad? My assumption is that Dish, to compete with cable and DirectTV, maximizes the number of channels it carries by compressing away the image quality of each. But I could be wrong, so I invite readers (and Dish as well) to give me the real skinny on what’s up with this.
And, because I’m guessing some of you will ask: No, this isn’t standard-def that I’m mistaking for high-def. This really is the HD stream from the station.
[Later...] I heard right away from @Dish_Answers. That was quick. We’ll see how it goes.