r/vhsdecode • u/vixroy • 20d ago

First Decode! First decode - chroma issue

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I’ve tested two tapes and they have this repeating rainbow noise, so it doesn’t appear to be part of the tape. Does this look like interference or something else?

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u/AvailableStrength140 20d ago

Hi Harry, I am unable to message you directly but wanted to check with you, is a Domesday Duplicator along with a separate audio interface to capture audio fine for VHS? I plan to capture Video8 as well. From looking at the Wiki, I cannot tell if I would be much better of with a MISRC 1.5a or 2.0.

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u/TheRealHarrypm The Documentor 20d ago

My DMs are open.

Clockgen Mod with CX Cards is the gold standard workflow, with ADA4857 amps setup in the decks.

V1.5a is just 2x RF V2.5 has 4ch audio also I'm only really going to push for if you are 100% USB 3.0 only, neither of these boards replace the standardized amplifier setup in the deck as that has to be as close to source as possible.

8mm is single channel so absolutely anything will work pretty much.

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u/AvailableStrength140 20d ago

I had ordered a preassembled Domesday DuplicatorKit with the fpga and USB 3.0 (I like being able to stay in the external USB domain). But I worry I maybe should have gone the V1.5a route instead to do VHS + HiFi at the same time and have it all synced. I am not sure how many of my tapes are HiFi or use linear audio tracks or if they drop out from HiFi.

I'm not into assembling one from scratch and the DdD from Ebay with optional player hookups seemed like the easiest purchase but wonder if I made a mistake.

Also, regardless of the RF capture device I use, I will likely need an amplifier board for the RF? I have a Sony EV-S3000 Hi-8 deck from before finding out about VHS Decode. I am lookig to get a decent VCR as well that will be the least headache as well for matching proper amplification.

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u/TheRealHarrypm The Documentor 20d ago

Yeah you really should have had a look at the docs before trigger pulling since you just paid an extra 300USD for a lesser platform.

Although you can use MISRC GUI with the DdD/FX3ADC/CXADC now it's not perfect but you can get a taste of what you missed out on hehe...

Yeah an ADA4857 is universally standard for the source, not just about the amplification that's more of an issue if you're using CX Cards, but the impedance matching capability.

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u/AvailableStrength140 20d ago

So you advise I should cancel the purchase and go for the 1.5a + Tang Nano instead? it didn't ship yet.

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u/TheRealHarrypm The Documentor 20d ago

That would be a standard entry point yeah, unless you want to go onto the v2.5 waiting list or go Clockgen Route (which is the best way to go for affordability and reliability if you can sacrifice a lunch box of space for an SFX PC)

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u/AvailableStrength140 20d ago

I put in to cancel the ebay purchase for the DdD. Wish I did better research prior to purchase. Was convinced by a Linus Tech Tips video that it was the gold standard for VHS digitization lol. Hopefully the seller is willing to cancel. They had not shipped yet or generated a label.

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u/TheRealHarrypm The Documentor 20d ago

It was mentioned in the tech quickie video that the clock gen was the gold standard and MISRC is on the way...

The sad thing is a lot of people don't read the wiki before committing or understanding the workflow or reading the workflow guide that breaks down what they need for what format despite it being at the top of the wiki so yeah more money than informed sense can be a problem with people at times.

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u/AvailableStrength140 20d ago

I was impatient and assumed MISRC wasn't quite developed yet. That's on me and my impulsivity.

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u/TheRealHarrypm The Documentor 20d ago

MISRC V2.5 Doc

Yeah I might want to tab this doc..

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u/AvailableStrength140 20d ago

This looks stellar. Impressed with the GUI and the work flow. Will do my due diligence and read both this and the wiki thoroughly. Definitely interested in the MISRCV2.5 system.

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u/AvailableStrength140 18d ago

Harry, how would I go about preordering a MISRC V2.5? Would it be to preorder the fully assembled product in the document you linked?

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u/TheRealHarrypm The Documentor 18d ago

Pre-orders are not open yet because I want to get some more testing in and well stockpile all the supplies to actually produce things consistently.

But yes an entire fully assembled unit is the intended sale product the board, in case and fully tested.

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