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-   -   My Custom Hardware TBC (https://www.digitalfaq.com/forum/video-capture/4484-custom-hardware-tbc.html)

jmac698 08-16-2012 05:04 PM

My Custom Hardware TBC
 
The first decode. No TBC applied, obviously, but just good enough to see that the hardware is working.

http://www.screenshotcomparison.com/comparison/140857

Yep, looks horrible. So why is this big news? It means I can finally access the raw signal, in real-time with hardware. I'm using an ARM-based embedded 32bit cpu. It can be programmed in C to decode the video. The sample rate can go up to 144MS/s, way more than enough for HD video. I can also input s-video. However I'm having some bandwidth problems.

For now I can do a type of hardware assisted software TBC, meaning that I can record/embed the sync information so that a software decoder can use it to resize.

I'd like to try raw decoding the VHS direct from the video heads; first I need a good video amplifier, but it can be easily decoded.

jmac698 08-17-2012 12:56 PM

1 Attachment(s)
Here's what the hsync looks like: http://desmond.imageshack.us/Himg59/...pg&res=landing

Not too bad. I need a tape with a major flagging issue to test.

lordsmurf 09-14-2012 12:02 PM

Please attach images to posts: http://www.digitalfaq.com/forum/news...ly-upload.html

Keep us updated on your projects. I read everything you post here on this forum. :)


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juhok 09-16-2012 08:29 AM

1 Attachment(s)
Slightly related. Looking at HSYNC with Barco video monitor. :)

edit: I noticed that "plain" analog HSYNC from VHS is a bit more plain than this SDI-passthru if anyone was wondering what all that fuzz was about. :P

Attachment 2908


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