Thread: TV overscan
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Old 18-01-2011, 08:25   #16
Lew
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Re: TV overscan

Quote:
Originally Posted by looper35uk View Post
As Tweedy says, set your stb for 1080 wide, all programmes will be shown in their original aspect ratio.
You have it the wrong way round. The wide modes do the opposite of what you're saying and stretch 4:3 SD programmes to fit the screen.

---------- Post added at 09:25 ---------- Previous post was at 09:24 ----------

Quote:
Originally Posted by TheDon View Post
To explain as many people seem to not be getting it, on SD the top few lines are often filled with junk which is encoded data for closed captioning and teletext. If you have your TV set to just scan (or 1:1 pixel mapping or whatever it calls it) you'll see this encoded data on the top line of pixels flashing away, the way to hide it is to turn overscan on (because all SD tvs were assumed to have overscan as it was in the nature of how CRTs work).
Turning overscan on when your box is set to HD though will not just hide this unwanted data, it will also crop the picture on a HD image that doesn't need overscan.
I have the same issue on my TV, but I've learned to ignore it.
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