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HUGE HDMI vs DVI Diplay difference - Page 3

post #21 of 36
Quote:
Originally Posted by DuckieHo;13860353 
The signal is probably the same... it is probably your TV doing some post-processing.

^this

If you really wish to use digital output of your card better get a dvi cable or use a hdmi to dvi adapter and use your monitor/tvs dvi in. Post processing in hdmi makes picture look better in movies but not when using windows itself or programs other than playing movies.

Basically, problem is not in the output of the card but the tv's interpretation of the signal.
Edited by crUk - 6/13/11 at 5:17pm
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post #22 of 36
Quote:
Originally Posted by B!0HaZard View Post
The signal is, but the cards seem to react differently to HDMI signals. For example, my HD 5650M sees my 1360x768 TV as a 1920x1080 TV and underscans...
Then it is your TV telling the video card to provide that signal via the Extended Display Identification Data (EDID). The video card by default does what the display tells it to do.
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post #23 of 36
Thread Starter 
Quote:
Originally Posted by crUk View Post
^this

If you really wish to use digital output of your card better get a dvi cable or use a hdmi to dvi adapter and use your monitor/tvs dvi in. Post processing in hdmi makes picture look better in movies but not when using windows itself or programs other than playing movies.
when we watched any movies it's really grainy, especially 1080p movies
   
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post #24 of 36
Just double check your video settings, they may be reverting to lower settings when HDMI is selected. Otherwise try replacing the cable.
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post #25 of 36
Check your Overscan settings.
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post #26 of 36
Quote:
Originally Posted by rocker22dallas View Post
im not sure if your tv has this, but my Samsung 50" plasma has an option to "just scan" which matches the edges of the picture exactly to the sides of the TV screen
this

I have a LG 32" TV and had to do this. It worked fine with a DVI-HDMI cable
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post #27 of 36
Quote:
Originally Posted by InterestedThirdParty View Post
when we watched any movies it's really grainy, especially 1080p movies
Graininess is noise from too much sharpening applied by the tv to the picture. You can lower sharpess setting of tv if you wish to rid of this.
This happened to me as well which is why i prefer dvi cables as opposed to hdmi. If your tv doesnt have dvi in just use VGA to me picture is just better even if it uses analog signal. Again, no problem with signal. Its your tv using different setting with different inputs you plug into it.

Really no gain in using hdmi over vga if picture is worse dont you think?
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post #28 of 36
The reason the picture is different is because the picture is purely digital with HDMI versus you having to use a DVI-VGA converter. The VGA ends up being analog and some picture quality is lost during digital-analog-digital conversion.

That's why the difference was so big for you.
    
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post #29 of 36
It is your TV settings, not the card settings. Output using HDMI on my 5670 to my Sanyo 42" LCD is amazing. The same as the DVI, but I also get sound from it. Win/win in my book.

Your TV is pulling some post processing because the EDID is telling the card to do one thing, which it does, then the TV tries to compensate. This is why I hate most high end TV's, too much meddling software.
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post #30 of 36
Quote:
Originally Posted by DuckieHo View Post
The signal is probably the same... it is probably your TV doing some post-processing.
This. I saw a list of TVs on some monitor review site that showed who did what to what incoming signal, and most consumer equipment does some sort of (imho) unwanted signal processing. DVI and HDMI (@ 1080p) should give you an identical picture.

On that note someone above mentioned the sharpness setting. The sharpness setting does not belong in a digital environment, it's a holdover from the analog days (digital allows for true WYSIWYG) - these days even contrast and brightness don't do what they used to...
 
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