rgb scart to YUV converter

M

marauder

Guest
Whats the difference between the unit that js tech. sell for approx. £150 and the one in Maplins for approx. £80?

Does the js tech give a better picture?

TIA
 

Member 6435

Well-known Member
Marauder

Cannot comment on the Maplins product but you will not find any adverse comments regarding JS Technology products on this forum. They are to be highly recommended due to the build quality and performance. I am sure other forum members will confirm this.

Regards

Alastair
 

MAW

Banned
Yes, and it's less fussy about the RGB input too. The cheaper ones can be hit or miss with some rgb sources, in the end it's usually cheaper to get it right 1st time.
 

sticker

Standard Member
JS Tech = quality
 

chris l.

Active Member
Run a Keene "RGB2C" myself circa £90.00 and have had no problems with it feeding TIVO / NTL Digital to my 30" LCD or on 100" screen via Z2 projector.

Regards,

Chris L.
 
M

marauder

Guest
Picked up the maplins scart to YUV last night to try out (knowing they have a 14 day returns policy), and PQ to my untrained eye seems very good. But then again, i'm comparing with the composite input I had before!

Just wondering how much improvement i'll get with the js tech unit and would it be worth the extra 70 notes.
 

symanski

Novice Member
Simply put, I'm using a technically more complex conversion process to get a superior picture quality.

It would have been easy for us to design the converter round an off the shelf one-chip solution, but looking at this option it wasn't going to me the picture quality I was after. It would have been no better than S-Video, but component video should clearly be superior.

Therefore, my design has a much higher bandwidth, giving more detailed picture and more accurate colour conversion. If your goal is like mine, to have an excellent picture, then you will be very satisfied with my design.

All the best,

Dr John Sim.
 

symanski

Novice Member
Below is some feedback we recently received on the RGB to Component converter from a customer. I've edited the comparison converter's name as I don't feel it would be correct post it to a public forum.

All the best,

Dr John Sim.


I have now tried your converter and am pleased to report that it's substantially superior to the (**** ****) one I already have - so I definitely won't be tempted to return it to you!

The noticeable areas of improvement are:

1) Crisper edges, especially vertical ones, particularly apparent on text, such that fonts now display in their full-bodied shape, rather than with positionally distorted edges which affect the degree of 'boldness' or otherwise of the character shape.

2) Completely clean 'registration' of component colours. The inferior converter exhibited colour fringing (again particularly noticeable on white text out of a coloured background) mainly visible as cyan and magenta. This became progressively worse towards the right-hand side of the screen. It almost looked as if it were displayed on a CRT screen with a convergeance problem... presumably this is caused by phase-shift from a design failing. Your unit is a hundred percent free from this.

3) Richer, purer and more vibrant colours.

In short, the whole image looks much less like a TV picture and more like an original artwork.
 
M

marauder

Guest
Symanski,

Thanks for explaining why your unit should give better PQ.
Order in post.

regards.
 

r_gissing

Standard Member
Sounds like I'm going to need one of these, however I have a question:

Which is the better connection to use from an NTL box - RGB to YUV or RGB to VGA?

Thanks in advance.
 

MAW

Banned
What screen do you have? There is a compatibility chart on Dr Sim's website, but not that complete or up to date, he does it with feedback from retailers and customers partly. The best one depends on the screen, but in the case of a panasonic, say, there is no real difference apart from the picture modes available to you.
 

r_gissing

Standard Member
Thanks for that. I have a Hitachi 42PD5000, so according to the chart I can't use the RGB to VGA converter anyway - guess I'd better order the RGB to YUV converter then. :smashin:
 

Jasonjo

Well-known Member
Originally posted by r_gissing
Sounds like I'm going to need one of these, however I have a question:

Which is the better connection to use from an NTL box - RGB to YUV or RGB to VGA?

Thanks in advance.
For anyone thinking of this, I have the Panny PWD6 with NTL and found the RGB2VGA to give a slightly better picture than the RGB2YUV. It is sharper and colours seems better...it is cheaper too :smashin:

JJ
 
E

Eagerbeaver

Guest
I don't know if this is the same for all screens though. I habe a 504HDE and am wondering whether to got for RGB to component or VGA. I'd go for both to try them out but I'd end up with one which I wouldn't want, don't know what the JS Tech returns policy would be on that kind of basis.
 

symanski

Novice Member
Originally posted by Eagerbeaver
I don't know if this is the same for all screens though. I habe a 504HDE and am wondering whether to got for RGB to component or VGA. I'd go for both to try them out but I'd end up with one which I wouldn't want, don't know what the JS Tech returns policy would be on that kind of basis.
For the HDE screen, you've already got SCART inputs and that really is about the best option here.

As for returns, I'd much rather that we talked first to ensure that you're getting the best option for your screen. It's better for both of us if you do!

All the best,

Dr John Sim.
 
E

Eagerbeaver

Guest
For the HDE screen, you've already got SCART inputs and that really is about the best option here.
So the SCART input can't be improved on in the same way as it can on other screens? I always thought that the best input was either VGA or component. Is this different on the HDE for some reason.
 

MAW

Banned
Scart inputs do vary. The panasonic is known to have a 'soft' scart. It is possible you'd see an improvement with the use of the component input, but it ight be a bit of a waste, there is no improvement to be had in signal quality, only maybe i n the way the screen handles it. An exception would be if you have an av amp that switches component, and you have sky and dvd. You could then connect them both with component, and switch with the amp, simplifying control.
 

symanski

Novice Member
With the Panansonic display, you'd be best to opt for the RGB to Plasma VGA unit. It will give you a very crisp display. Component is still very good, but you do have the option of using the VGA input - an input that most of us don't use for their PC!

All the best,

Dr John Sim.
 

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