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RGB why ?
yodude69
20-01-2006
Just wondering why RGB is not universal. By that i mean my new TV has two scart sockets but only one is RGB capable. My digibox has two scart sockets but only scart 1 is RGB so i can't run my DVD through scart 2 and get RGB quality.
Some DVD recorders do not have RGB in so you cannot get the best quality from a digibox.
Cheaper scart switchboxes are not always RGB capable.
What is going on ?
Is RGB too expensive or difficult or under patent ?

Any suggestions gratefully received.
technologist
20-01-2006
RGB requires devices to have 4 (Syncs as well) paths through everything - with the routes reasonably co-timed... hence it is more expensive to implement.

In analogue times ( which after all applies to a lot of the world even Europe) TODAY The only RGB device is the DVD ......
Hence there is no established market.

Soem countries e.g South Africa AUX (CVBS) inputs are not the norm and SCART even less so! (USA is not quite as bad but 3 CVBS is not the norm as it is in UK)
So there is not the drive for a Tv to have say 4 scarts all CVBS/RGB compatible!!!
Christopher2
21-01-2006
It's all gonna be about HDMI now, just one plug doing EVERYTHING - this time it's for real (sorry SCART creator).
far
21-01-2006
Ironically I seem to remember the case was a few years ago at least that the cheaper TVs sold in supermarkets tended to have more than one RGB SCART while the higher end TVs tended to have only one (unless you got into four figure prices in which case we were back to two).

My Mastui IdTV may be laughed at now but consider this - the digital terrestrial receiver in the TV whilst slow and out of date in modern terms does of course carry an RGB signal, so does my Sky digibox so in theory at least I have two RGB connections even though one of course is internal and cannot ever be used for anything else. However the downside is my PC, which has a satellite TV tuner in it, can only connect to the TV using a composite video signal because AV-2 on the TV only supports CVBS and not S-Video resulting in a noticeable lack of quality (I did manage to connect it to a TV which had an S-Video capable SCART once and the quality was very similar to RGB).

Perhaps the answer lies in these higher end Panasonic LCDs/Plasmas I've read about where you can actually slot in extra connectors as you need them. Even with HDMI I can foresee problems - I can already think of at least 3 devices that could potentially need HDMI and/or DVI (High Definiton Satellite Receiver, HD-DVD or Blu-Ray recorder or player and you PC - at least if you want the best quality possible and want to be able to play back High Definiton movies/recordings on the PC) yet how many HDMI and/or DVI inputs does the average LCD or plasma have?
Scorpio
21-01-2006
Originally Posted by yodude69:
“Just wondering why RGB is not universal. By that i mean my new TV has two scart sockets but only one is RGB capable. My digibox has two scart sockets but only scart 1 is RGB so i can't run my DVD through scart 2 and get RGB quality.
Some DVD recorders do not have RGB in so you cannot get the best quality from a digibox.
Cheaper scart switchboxes are not always RGB capable.
What is going on ?
Is RGB too expensive or difficult or under patent ?

Any suggestions gratefully received.”

Slip the DVD payer in front of the digibox in a daisy chain like this

DVD scart ---> Digibox VCR scart
Digibox TV scart --- TV AV1

This will pass the RGB signal from the DVD through the digibox into the TV so you get RGB from both devices.

The VCR scart on the digibox will only output composite but it is designed to input RGB specifically for this purpose.

Rgds,
Scorp
yodude69
22-01-2006
Thanks for replies, looks like cost is the limiting factor then.

Ref reply from Scorpio
The VCR scart on the digibox will only output composite but it is designed to input RGB specifically for this purpose

Unfortunately this does not work on my Goodmand GDB3 ?
Scart switchbox solved the problem.
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