I was looking for some help on this. I'm not happy that VUDU claims it looks good in 1080i. There are diagonal lines on a lot of detailed parts and it looks very shotty. I watch movies on HULU plus Netflix, and Cinemanow with no problems. It has to be VUDU. I'm pretty sure it doesn't look good on anything Interlaced.
I searched on the net with no success but I found a way to fix the problem.
I set my blu-ray to 720p. Note the p. Again it doesn't look good in i.
After that you have to rent in HDX it still doesn't look good in HD, it's better but it still looks shotty in a differnt way.
SO FOR ALL YOU WHO HAVE 720i or 1080i. You have to switch to 720p than use HDX.
I have tried adjusting the sharpness settings it's not that.
Please let me know, maybe it's something else but I'm pretty sure VUDU just doesn't look good in "i".
There's a lot more to this story. I've used VUDU on 1080i with lots of problems. There are strange lines on the edges of everything. It doesn't have to do with sharpness....
Long story short you have to set your Blu Ray or T.V. to 720p. I have come to the conclusion that VUDU does not mesh well with 1080i. After this watch the film in HDX and it will look great but not HD (it looks bad in a different way here).
That's my advice. It's still better than 720p on the computer or itunes or something. For some reason this is the only way I can get it to look good on my 1080i t.v.
That's because your TV is probably really a 720p set. Most 1080i sets are really 720p. There is conversion that goes on inside.
Plus 1080i pretty much blows as a format. It's really two 540p frames. 720p is much better quality.
I'm sorry if I have to contradict you on the 1080i issue... at least in some parts.
We may agree that interlaced formats are inferior to progressive formats at the same resolution but claiming that 1080i is basically 2x 540p is just wrong.
The resolution of each field is 1920x540 not 960x540 as 540p would suggest (keeping the 16:9 aspect ratio).
All the details of the FullHD image are still there. The fact, that these details are displayed with a minimal delay is usually undetectable to the human eye.
Most problems with interlaced material arise when format conversion is involved. And unfortunatly that's the case with most TVs nowadays.
The fact is: Your shiny new flat panel can't display interlaced material. So what it does is this: It combines the top and bottom field of each frame and converts e.g. 1080i60 to 1080p30 or - even worse - 1080p24. The algorithm that tries to detect which fields make a full frame just sucks on most devices. Resulting in a FullHD picture that is a pain to look at, because it is unsteady and motion just looks like crap.
The same problem occurs the other way around. If you feed 1080p24 material to your 1080i TV format conversion occurs - in this case 1080p24 to 1080i60. Again the conversion that is done with your TV is far from optimal resulting in bad picture quality.
My point is: Just because something is interlaced doesn't mean it has to look like crap. Just take the BBC Planet Earth documentary. If you happen to have an Euro-BD-Player that is capable of 50i and a display that can handle it (although most likely it will not display 50i but convert to 25p) it looks amazing and I would take the 1080i picture any time over the 720p version.
I'm not going to get into a debate on the quality of interlacing versus progressive for the same resolution. But if anyone has any doubts look at a 480i image and compare it to a 480p image. HUGE difference and very noticeable yet "all the same image content is there." As the resolutions get higher and higher though it's harder and harder for the human eye to tell the difference.
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