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Subject: Re: How are TV sets and computer Monitors different?
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Date: Tue, 01 Oct 2002 16:14:22 GMT
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>"Teece" schrieb im Newsbeitrag
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>I was wondering how your basic analog TV set is different from the average
>computer monitor. Granted, things have changed in the last few years with
>cable ready TVs, digital flat panels, etc. The comparisons below are with
>respect to ANALOG systems.
All TVs are driven by analog signals, some internally work digital.
>1) TV set inputs NTSC or PAL formatted video, which are analog composite
>signals. These days there are also inputs for analog component signals Y/C.
All inputs are translated into RGB.
If there is a scart plug it has mostly RGB-capability as well.
>2) Computer monitors VGA/SVGA etc formatted analog signals. Some older
>monitors input RGB signals.
>3) Does "Dot Pitch" mean anything with respect to TV sets? If it does then
I >would expect the dot Pitch of Computer monitors to be far smaller than
that >for TV sets because of the higher resolutions beging supported by
computer >video cards. Is this the reason that a TV set is by comparison
much less >expensive than a computer monitor?
Pal(NTSC) has 625(525) lines of which around 590 are used. The signal is
interleaved with the odd end even lines at a framerate of 25(30) pictures/s.
The bandwidth is 5.5MHz only. The color information is phase-coded into the
The aspect ratio is 4:3, lately 16:9 is used as well.
>Are there any other major differences?
Is that not enough?
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