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258 posts

Ultimate Geek

#26703 1-Oct-2008 09:07
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Hi Guys,
I am wanting some info on what connection will give me the best picture quality from my PC to HDTV over a distance of 10m. I'm currently using option 1.
PC  ======> HDTV
1. S.Video ===> S.Video
2. S.Video (with adpator) ===> Component
3. DVI =====> VGA(PC Input)
4. DVI =====> HDMI
5. DVI =====> Component


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  #168234 1-Oct-2008 09:10
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DVI -> VGA or HDMI will give you the best picture quality. It just depends on the type of TV you use. If it supports 1:1 pixel mapping over HDMI then this will probably give you the best picture. If it doesn't do 1:1 pixel mapping then VGA would probably be the best.

Component is next best, s-video is the worst and doesn't really give a decent picture at all.


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  #168235 1-Oct-2008 09:16
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Agree with above.  Use either HDMI or VGA.  Pixel Mapping is most important for quality.  If you get pixel mapping on HDMI then choose that.

What is your TV model/resolution?

My brother has a 15m DVI-HDMI connection for his PC and he reports it works fine, so 10m should be ok.  I think some people have problems with cables >5m but i guess it depends on the strength of the video card signal output.  I suggest you goto dicksmith electronics and try out a 10m cable.  They have an excellent returns policy if it doesn't work.

NB - S-video is shiet quality compared with the others.

HTPC / Home automation (home assistant) enthusiast.

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  #168238 1-Oct-2008 09:19
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I forgot to add, **DON'T**  buy an expensive HDMI cable, they are just for suckers get the cheapest they have.  Thicker is better because it is less likely to over flex (bend) and damage the wires inside the cable.

HTPC / Home automation (home assistant) enthusiast.


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Ultimate Geek

  #168260 1-Oct-2008 10:20
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Hey thanks guys,
My HDTV is the Panasonic Full 1080p 50"PY800AZ Plasma.
Here are my HDTV Input signals that can be displayed...
525 (480) / 60i
525 (480) / 60p
625 (576) / 50i
625 (576) / 50p
750 (720) / 60p
750 (720) / 50p
1,125 (1,080) / 60i
1,125 (1,080) / 50i
1,125 (1,080) / 60p
1,125 (1,080) / 50p
1,125 (1,080) / 24p
PC VGA (D-sub 15P)
Signal name Horizontal frequency (kHz) Vertical frequency (Hz)
640 × 400 @70 Hz 31.47 70.07
640 × 480 @60 Hz 31.47 59.94
640 × 480 @75 Hz 37.50 75.00
800 × 600 @60 Hz 37.88 60.32
800 × 600 @75 Hz 46.88 75.00
800 × 600 @85 Hz 53.67 85.06
852 × 480 @60 Hz 31.44 59.89
1,024 × 768 @60 Hz 48.36 60.00
1,024 × 768 @70 Hz 56.48 70.07
1,024 × 768 @75 Hz 60.02 75.03
1,024 × 768 @85 Hz 68.68 85.00
1,280 × 1,024 @60 Hz 63.98 60.02
1,366 × 768 @60 Hz 48.39 60.04

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  #168268 1-Oct-2008 10:48
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Strange that it doesn't list VGA doing 1920x1080.
You must use HDMI...

PS: 50" 1080P Plasma = Nice

HTPC / Home automation (home assistant) enthusiast.

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Wannabe Geek

  #168306 1-Oct-2008 12:46
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When I bougt my LCD TV (sony KDL40W4000) i've tried to connect to my computer with vga. My laptop have a MiniDVI output and a MiniDVI-DVI converter. The best result was to connect the devices with DVI_HDMI cable. Much better with vga.

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Ultimate Geek

  #168549 2-Oct-2008 09:59
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How come there is no "full Hd" resolution in the list, if the tv is 1080p capable ??

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  #168559 2-Oct-2008 10:22
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aucklander: How come there is no "full Hd" resolution in the list, if the tv is 1080p capable ??

The last 5 of the HDMI connections are 1080p... look in the brackets. They listed res is taking into account overscan I suspect.

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