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Old 19th Jul 2011, 9:40 am   #21
Tazman1966
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Default Re: Downloadable Test Card DVD

Thanks Mike.

Finally got round to downloading some freeware to enable me to burn it to a dvd and it works very well indeed
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Old 19th Jul 2011, 1:46 pm   #22
ENGLISH VICTOR
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Many thanks Mike, Just burnt a disk, will make a nice addition to my collection especialy as I am just old enough to remember Sylvia Peters. It did look a little different on the Bush TV11A.
Victor.
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Old 19th Jul 2011, 2:25 pm   #23
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Hi Mike,
Thanks too for this posting, it is really very useful.
I down loaded and it can be seen in operation already in thread
https://www.vintage-radio.net/forum/...t=68520&page=2
post #33

regards
Craig
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Old 19th Jul 2011, 3:59 pm   #24
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Thanks Andi, Mal, Trevor, Tas, Victor and Craig. I'm glad it's a useful thing. The only minor problem with putting test cards on DVD is that a lot of machines cut off the sides so sometimes you don't get any (or reduced) edge castellations.

Kind regards.

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Old 12th Feb 2012, 8:06 pm   #25
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Mike, as a newcomer to this forum (but as a long-ago lapsed member of the trade) may I also add my thanks to you for this excellent resource.

A few questions/points for you: can you please explain the resoultion difference between the two Test Card F versions, one of which is showing a BBC identifier, and the other which is showing your SWETV museum? Presumably the museum version is a direct digital creation, rather than a screen-grab for the BBC version?

Would you have any plans to add to content of this disk? May I place with you some Viewers' Requests? A high-res BBC recreated Test Card F would be great, as would a PM5544 card, and also a dot/spot convergence signal.

Is there a mechanism via which I can make an appropriate donation to your museum?

All best

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Old 19th Jun 2012, 9:40 pm   #26
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Quote:
Originally Posted by echelon
A few questions/points for you: can you please explain the resoultion difference between the two Test Card F versions, one of which is showing a BBC identifier, and the other which is showing your SWETV museum? Presumably the museum version is a direct digital creation, rather than a screen-grab for the BBC version?
Hi Echelon.

My apologies for not replying sooner - I only just noticed that there was a reply.

Just a quick note about TCF and TCJ - Test card F was the original George-Hersee designed version from 1967 which was simply filmed off a card by a normal TV camera. The TCJ was a much later all-electronic version with a few differences - a slightly bigger circle, a slightly zoomed out picture of Carol and Bubbles and a few other bits and bobs.

Quote:
Would you have any plans to add to content of this disk? May I place with you some Viewers' Requests? A high-res BBC recreated Test Card F would be great, as would a PM5544 card, and also a dot/spot convergence signal.
There is now a new version (see below) which has the PM5544 card and a few other bits and bobs which have been tidied up from the previous version. I may well put a few things on in future version - certainly the cross-hatch wants modifying a bit and I may add dots too. Also a "next" / "prev" option too, but that means doing a bit of programming, which sounds complicated.

Thanks Echelon.

Kind regards.

From Mike.
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Old 19th Jun 2012, 9:44 pm   #27
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Default Re: Downloadable Test Card DVD

Hi all.

A new version of the Test Card Disc is now available (V0.15).

This new disc has an added PM5544 test card, a modified (and nicer) version of Test Card F with the "BBC2 Colour" caption. A few other bits and pieces have also been tidied up etc. As always, you just need to use some kind of DVD-burning software to turn the image file into a proper DVD.

Anyway, here it is:

http://www.oldtechnology.net/TestCardDisc/V0.15.iso

Enjoy.

Thanks all.

Kind regards.

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Old 20th Jun 2012, 1:35 am   #28
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Hello Mike,

Quote:
Originally Posted by Mikey405 View Post
Just a quick note about TCF and TCJ - Test card F was the original George-Hersee designed version from 1967 which was simply filmed off a card by a normal TV camera.
No, it wasn't. It was a transparency that was used. It consisted of two transparencies sandwiched together, one for the monochrome part of TCF and one for the colour part. An electronic version was introduced in 1984.

See this web site page:

http://www.barney-wol.net/video/test...testcardf.html

Quote:
The TCJ was a much later all-electronic version with a few differences - a slightly bigger circle, a slightly zoomed out picture of Carol and Bubbles and a few other bits and bobs.
The difference in the size of the circles is only about 2 pixels and wouldn't be noticeable except by direct comparison. TCJ was introduced in 1999.

See this web page:

http://www.barney-wol.net/video/test...testcardj.html

Regards,

Dave.
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Old 20th Jun 2012, 5:19 am   #29
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Quote:
Originally Posted by Amraduk
No, it wasn't.
I stand corrected Dave.

The main point I was trying to make was that it was a mechanical device whereas Test Card J was all-electronic. I'm not any kind of expert (as you can tell) but Echelon was asking for the main difference between the two test cards.
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Old 20th Jun 2012, 9:15 am   #30
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Hello Mike,

Quote:
Originally Posted by Mikey405 View Post
The main point I was trying to make was that it was a mechanical device whereas Test Card J was all-electronic.
Whilst that is true, one shouldn't make untrue statements (which, I'm sure, was not your intention) as they are likely to be taken as fact and repeated elsewhere, propagating the untruth until it is difficult to rebut!

I hope you found the links I gave of some interest.

Regards,

Dave, G8TVW.
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Old 20th Jun 2012, 10:05 am   #31
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Default Re: Downloadable Test Card DVD

Quote:
Originally Posted by Mikey405 View Post
The TCJ was a much later all-electronic version with a few differences...
I believe that one other difference was that the cross on the blackboard was repositioned at the centre of the testcard to give more accurate static convergence - something overlooked in the original.
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Old 20th Jun 2012, 6:05 pm   #32
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Hi Mike.

Many thanks for the test card iso files. It took me a little while to work out how to use the free ImgBurn software required for converting the iso files to a useable DVD but the result is excellent.
Very useful test patterns, particularly Test Card G for colour decoder assessment.
I also like Test Card J, a revamped Test Card F. The main visual difference between these two cards is that on TCJ the centre picture appears a zoomed out version of TCF. Also, the images of the girl and the clown appear slightly darker on TCJ.

Regards
Symon.
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Old 25th Jun 2012, 5:32 pm   #33
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A big thanks from me also Mike! Great quality and will be super with the old tellies. John.
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Old 25th Jun 2012, 9:05 pm   #34
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Thanks Symon and John for the kind comments. I'm really glad it's of use.

Kind regards.

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Old 8th Sep 2012, 4:58 pm   #35
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Hi everyone again.

There is a new updated version of the Test Card Disc which can be downloaded from the URL below:

http://www.oldtechnology.net/TestCardDisc/V0.32.iso

In addition to what was on the old disc, the new disc contains a newly recreated version of the original 5:4 Test Card C as well as a slight modification to Test Card J and a new 1950s BBC Tuning Signal.

Thanks everyone.

Kind regards.

From Mike.
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Old 8th Sep 2012, 9:00 pm   #36
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Default Re: Downloadable Test Card DVD

Thank You Mike.

David
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Old 8th Sep 2012, 9:34 pm   #37
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Cheers again Mike

Robert
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Old 10th Sep 2012, 11:45 am   #38
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No problem David and Robert.

Kind regards.

From Mike.
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Old 10th Sep 2012, 6:46 pm   #39
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Downloaded and excellent (as expected really )
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Old 11th Sep 2012, 11:57 am   #40
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Thanks Tas. Glad it's of use.
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