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Television Standards Converters, Modulators etc Standards converters, modulators anything else for providing signals to vintage televisions.

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Old 24th Mar 2019, 9:02 pm   #161
1100 man
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Default Re: Hedghog standards converter

Hi Semir,
That really does look like a lot of work! That's the great thing about the HH, we can all add our own personal touches.
I do like the LED behind the 'o'- a very neat touch!

Mine will have to consider itself lucky if it gets put in a box- although I've opted for the larger case which will give me room to add modifications which I'm sure I will end up doing.

Well done on a very professional end result- I hope you enjoy using it!

All the best
Nick
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Old 24th Mar 2019, 11:53 pm   #162
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Default Re: Hedghog standards converter

One test I've been keen to try on the Hedghog is to see how well it copes with input from a VCR. Now this is a rather unfair test for any converter as the ability to cope with sync jitter, noise, dropouts and all the other issues from a VCR is well outside it's design parameters.

Early VCR's were an amazing technology and like colour TV in the '70's, pushed the existing technology to it's limits. Without doubt, they are the most complex things to ever have been given to consumers.

So I enjoy sourcing vintage material on VHS from boot sales etc and my VCR of choice is a 3V29. Now these really aren't great from a sync jitter point of view, so I didn't know what to expect from the HH.

The HH handles it perfectly with no issues! Even with the tracking control adjusted to give almost a complete screen of noise, HH doesn't even glitch. It doesn't mind severe dropouts, the worst it does if the sync disappears completely is just give a momentary blank screen which is fine. The problem I found with the Aurora was flash frames of test card C would appear randomly which was disconcerting!

So I was more than a little impressed, I really didn't expect it to behave that well, especially using a 3V29!

All the best
Nick
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Old Yesterday, 12:22 am   #163
Semir_DE
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Default Re: Hedghog standards converter

Nick,

Thank you for testing HH with a VCR, actually you beat me to it, as I was also wondering how well the Hedghog would cope with unstable signals from a VCR. So far I've only run it on stable DVD outputs and this would have been the next test. It is certainly good to know that VCR signals work well on the Hedghog. I have an HR-7700 and an HR3300 here that I need to overhaul, so this is one of the next things on my agenda.

Semir
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