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Computer video output to TV

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4 replies to this topic

#1 of 5 OFFLINE   Richard_AD



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Posted April 03 2003 - 09:28 AM

Does anyone have any experience with taking the video signal from their computer and modulating on to an unused channel on their in-home cable system?
I want to watch the Web on any TV with PIP while viewing a broadcast program on the main screen.
I'm going to try this but thought someone that had done this might give me some pointers.


#2 of 5 OFFLINE   Allan Jayne

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Posted April 04 2003 - 12:20 AM

Some video cards will modulate to an unused NTSC channel or output composite or S-video. FOr most PIP TV sets, a composite video feed is be used as one of the PIP inputs and is also better than an RF feed.

By the way, internet into a PIP window is extremely poor picture quality. It is still the 640 x 480 or whatever the computer is putting out except scaled to perhaps 160 x 120 with the obvious reduction in sharpness.

Better to do POP, put a computer monitor next to the TV if you can find a space not too close to speakers and their magnets. If you have "Sound of Music, view the scene with the home theater, with the soundtrack playing the number "Lonely Goatherd".

Video hints:

#3 of 5 OFFLINE   Richard_AD



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Posted April 05 2003 - 05:10 PM

Allan ... thanks for the feedback.I forgot about the limitations of the TV screen resolution. Maybe this will work better when using a 1080i DTV system.

Thanks again.


#4 of 5 OFFLINE   JohnGoggan


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Posted April 08 2003 - 09:05 AM

Ok -- while we're on this topic... I recently purchased a Hitachi 57UWX20B RPTV that has a DVI/HDTV input. Can I get a video card for my PC with a DVI output to interface to the TV? Is this fairly easy these days? Or is the more to it (and/or great expense)? I'd like to play some PC games on my new TV...


- John...
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#5 of 5 OFFLINE   Joe Szott

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Posted April 08 2003 - 10:53 AM


I think that a DVI to DVI connection should be fine. Only catch is be sure that the resolutions and refresh rate you use on the computer is acceptable before you hook it up to the RPTV. Remember that most TVs refresh at 60 Hz, if your video card is pumping out anything above that, it could be destructive.

There is a list of resolutions and refresh rates over at the avsforums, sorry but I don't have a link to it.