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15 posts

Geek
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Topic # 22639 3-Jun-2008 20:29
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OK - before there are howls of laughter - I have an old TV - how old? 22 years, when I bought it 21" was a good size.

As far as Video in is concerned it has RCA and RF.

It has little (read nothing) in the way of adjustment (as far as I am aware) for AV mode.

ANYWAY, I do intend to upgrade it just not yet.

UNTIL I DO, I have just purchased a DSE signal converter to take the DV-I (VGA) from my Video card and stick it into the Video in (RCA) on my TV.

But it flickers (badly).

The TV does not flicker from the feed from my Sky box, nor does it flicker from any of my other video sources. It also works great on the video feed from the PS1 (yes PS1).

Thoughts?

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534 posts

Ultimate Geek
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  Reply # 135300 3-Jun-2008 20:45
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My notebook monitor is set to 60Hz. I guess that's normal. Do you need to set the video card output to 50Hz?



15 posts

Geek
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Reply # 135303 3-Jun-2008 20:50
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Had the same thought. Can't set card lower than 60Hz. Thought to myself - go for a multiple try 100Hz. No difference.

Thanks for the thought though.

Unless there is somehow a way to set the card to 50Hz?

 
 
 
 


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  Reply # 135336 3-Jun-2008 22:38
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Flicker is to be expected with an interlaced source when your running it with no vertical smoothing. Small details are only present on one field of the interlaced frame, so only show 25 times a second. vertical smoothing will blur it into adjacent lines so it shows on both fields (dimmer on the other field tho) so it flickers less.

If the converter has no option to reduce the vertical resolution, then you may have to try dropping the pc res to something thats got about 360-400 lines - you can only use 2/3rd to 3/4s of the resolution of an interlaced display before flicker gets bad. Allowing for the lower framerate of pal you end up with about the same usable resolution before its offensively flickering.

TV is usually filtered already, unless you get a freeview HD box which doesnt, menus even on sky are prettymuch flicker free

The PS1 operates at half tv resolution so will never flicker since something cant be showing exclusively on one field - they are exactly the same on stationary scenes and you dont really notice it when moving horizontally.   





Richard rich.ms



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Geek
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Reply # 141586 30-Jun-2008 17:07
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OK, fixed now, actually fixed a long time ago but I have neglected my post.

I HAD a single feed coming from my card to the converter and then was trying to run both my monitor and my TV off the same signal - silly silly silly. Two DVI ports - run one straight to the monitor with an adaptor cable (sillier me the DSE box actually comes with a adaptor plug) and run the second DVI output straight to the (wonderful) DSE box (tiny silver - very appealing) and then to the TV. TV is running on 800 x 600 (which is OK) and monitor is now truly the primary screen that runs the whole show. Media Portal starts up on the Secondary monitor (TV), perfect - in fact better than I was wishing for.

Now - LCD shopping - I hear Samsung have brought out  a matte black option - my darling doesn't like the shiny option.

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