the inherent drawbacks of VHS & NTSC

[Xylob the Destroyer]

I couldn't really decide which forum this belonged in, so it goes here.

I'm converting my VHS library to DVD and am having a 'problem' with reds bleeding - badly.
I know that this is to be expected with VHS and NTSC, but are there any "tricks" I can use to lessen the effects?

I'm capturing YUY2 (no recompress) with VirtualDub and converting with TMPGEnc.

TIA!!

[lordsmurf]

Yes. The red/blue haze is CHROMA NOISE. The color bleeding, especially red, is both the fault of VHS and NTSC.

You would do well to play such VHS tapes in a JVC S-VHS VCR with the TBC (like the HR-S9911), which remove color noise and depletes bleeding. Another trick to remove bleeding is to simply lower the saturation slightly. A proc amp can do this. Another way to hide bleeding is to increase the overall sharpness of the image, using a detailer.

The is classic VHS restoration, so moved to the restoration forum.

[vhelp]

About the only way I know of, to produce near-match of the
source, is to capture in RGB. But this requires a whole
lot of disk space.

If you capture in YUV format, you'll probably have some
minor issues with color.. because of the shift in color
space during the RGB to YUV conversion.

Part of the problem with the RED's has something to do with
the formula conversion from RGB to YUV and sampling. That's
why you don't want to use YUV during the capturing phase.

So, what you really want, is to switch your methods, and use
RGB in your capturing. Then, if you still want to convert
with YUV, then you can convert to YUV later. But, I don't
know why anyone would want to do this, (specially) when they
want to restore a given source. (something else to think about)
Plus, during the encoding stage to MPEG, will be in YUV 4:2:0
format. Let that be the last stage in the process, if you really
want to restore with maximum reproduction.

There are many various reasons why people (myslef included)
use different approaches as well as different format (ie, rgb
vs. yuv) in their projects) and explainging them is usutually
futile

I know lots of people use Huffy. But, i'm not too sure the
exact format it uses for its YUV format.. partly the reason
why it is slow when you try to play a huffy avi inside vdub or
other app.. becaise it has to convert the YUV back to RGB.

-vhelp 3213