Reducing VHS noise

[hendrix]

Here's a little trick I use when reducing noise on VHS or other sources. Digitize the footage into your NLE - then digitize it again but this time superimpose the image on top of the first one at 50% opacity - depending on how much noise is on the source tape you can even do a third pass at 33% opacity.

This will greatly reduce noice inherent in vhs tapes and will give you a signal much closer to what is actually recorded onto the tape since the noise will be cancelling itself out.

I know you can also use avisynth scripts but I prefer to see my effects as they're applied, not guessing what they're going to look like via scripts.

hope this helps

[bjorn toulouse]

I take it you will have to record the VHS -> DV more than once then use the two DV files to make the noise cancelation?

[hendrix]

yes

or you can just digitize the VHS material directly into your NLE, but each video track has to be digitized again.

[Lyris]

Old thread bump!

I used this for a noisy Betacam SP source lately (4 passes) and then finished the noise off with a ltitel bit of post-processing. Thanks Hendrix :)

[bjorn toulouse]

man this is a blast from the past! glad to see in this forum people use the search facility.
PS It worked quite well for me also.