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Old 05-08-2011, 21:35   #12
Lew
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Join Date: Jun 2003
Location: Fleet, Hampshire
Age: 54
Services: VIP50, TiVo
Posts: 2,869
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Re: Tivo SD Picture Quality Vs Sky+?

Quote:
Originally Posted by spiderplant View Post
Possibly. I've seen reports that selecting 720p makes it go away.

I've never seen the problem myself. Only in the pictures Lew posted.
Although switching to 720p does hide the problem somewhat you can still see that the problem is there on text as it's slightly distorted compared to correctly upscaled content. Also, 720p mode introduces noticeable flicker on static graphics.

Here's the pics again.

576i output, upscaled by my Sony 1080p TV:



Upscaled to 720p by TiVo; actually I think it's upscaling to 1080i and converting that to 720p as the distortion follows the same pattern as the problem with the 1080i picture:



Upscaled to 1080i; here you can see that it appears to be switching the order of the lines:

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Notice how in both the 720p and 1080i pictures the tops of the 'round' letters such as 'e', 'g' and 'p' look slightly pointed compared to the 576i picture.
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