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If the Sony KV34XBR800 converts all 720p signals to 1080i, then why is it that when I down rez' a 1080i program to 720p on my STB in order to get rid of graininess on some programs, the picture on the display does actually change?


Is native 720p converted to 1081 on the TV display different than viewing a native 1080i program downcoverted to 720p on the STB and then upconverted again to 1080i on the display? It seems to me that it should look the same.:confused:
 

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There is no 'perfect' 1080i 720p conversion algorythm. Repeated format changes will cause the image to change ...


Take a photo, put it on a copier. Expand it, shrink it, expand it, shrink it ...
 
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