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June 22nd, 2004, 05:12 PM
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#1 |
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Regular Crew
Join Date: Aug 2003
Posts: 163
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Cleaning up analog video in vegas
I'm trying to clean up some analog video that has some noise in it. Do any of you have a favorite way of doing this in vegas? Thanks for the replies.
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June 22nd, 2004, 05:23 PM
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#2 |
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Major Player
Join Date: Oct 2002
Location: Albuquerque, New Mexico USA
Posts: 333
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Unfortunately, Vegas is not the tool to use for removing noise. There are two ways of doing it, spatial denoising, which is essentially applying a blur filter to each frame of the video. The second method is temporal noise reduction, where it compares a number of frames in a row to see what is random noise and what is actual program material. It then smooths out the changes between frames. Applied conservatively, this work quite well. Then there are some filters which are a combination of both.
If you're not aware of it, there is a freeware video processing tool called "VirtualDub" and many people have written both spatial and temporal noise reduction plugins for it. Here is a link to the VirtualDub website where you can download the program and find links to various plugins; www.virtualdub.org In addition to VirtualDub, you will need an external DV codec because the DV codec in Vegas is only available from within Vegas itself. Panasonic has a free DV codec. Google it. John |
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June 22nd, 2004, 07:37 PM
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#3 |
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Regular Crew
Join Date: Aug 2003
Posts: 163
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Thanks John for the reply, I just learned about this little program from another thread. I have downloaded it and I am trying to learn how to use it. ( Know of any good tutorial?) Have you used this program for noise reduction. If so what plug-in(s) do you like to use and where can I find it.
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June 22nd, 2004, 08:39 PM
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#4 |
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Major Player
Join Date: Oct 2002
Location: Albuquerque, New Mexico USA
Posts: 333
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Paul,
Yes, I use VirtualDub for a bunch of different things and noise reduction is certainly one of them. I'm aware of perhaps a dozen noise reduction plugins, but my favorite is one called "Temporal Cleaner Beta 0.5" by Jim Casaburi. You can get it here: http://home.earthlink.net/~casaburi/download/ Donald Graft has written a bunch of great VD plugins as well, here's a link to his site: http://neuron2.net/ Be sure to check out the "Mine", "Hosted", " Other", and "A/V Links" on his site. Hope this helps. John |
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June 23rd, 2004, 02:54 AM
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#5 |
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Inner Circle
Join Date: Apr 2003
Location: Aus
Posts: 3,884
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also checkout a site called vcdhelp.com
offers LOADS of tutorials |
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June 23rd, 2004, 08:38 AM
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#6 |
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Inner Circle
Join Date: Apr 2003
Location: Aus
Posts: 3,884
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by the way, ther was a post here of some colour correction plugins being made.. and apparently the same dude is wokring on a plugin shell for Vegas which allows u to use VDub plugs within vegas.. should be good :)
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June 23rd, 2004, 08:52 AM
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#7 |
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Regular Crew
Join Date: Aug 2003
Posts: 163
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John and Peter, Thank you for sharing your knowledge about this program. I did get to play around a little bit with the program last night. Very cool for free. I think this will do what I am looking for to clean up the analog video. I also did a little reading about frame server. Seem this little program brings new meaning to the phrase, Looks are deceiving:-)
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June 24th, 2004, 05:22 AM
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#8 |
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Major Player
Join Date: Feb 2003
Location: Romania, Timisoara
Posts: 453
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A simple way to reduce the noise in Vegas is to duplicate the video track (copy the video and paste into another track) and delay one video track by one frame. Then give the upper track 50% transparency. Works quite well with random noise.
__________________
Cosmin Rotaru |
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June 24th, 2004, 07:37 AM
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#9 |
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Regular Crew
Join Date: Aug 2003
Posts: 163
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I'll try it. Thanks
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June 25th, 2004, 10:52 AM
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#11 |
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Major Player
Join Date: Feb 2003
Location: Romania, Timisoara
Posts: 453
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the recapture idea is very very nice! Never thought of! Thank you very much for the link!
__________________
Cosmin Rotaru |
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June 25th, 2004, 10:55 AM
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#12 |
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"some dude" happens to be Satish Kumar who has a website here:
http://www.debugmode.com/ his frameserver plugin will allow you to access either VirtualDub or Avisynth from within vegas. You can also use his WAX splugin to access VDub plugins from within vegas. |
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June 25th, 2004, 01:21 PM
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#13 |
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Regular Crew
Join Date: Aug 2003
Posts: 163
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Thanks for the GREAT link Edward. Good reading!
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June 25th, 2004, 11:42 PM
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#14 |
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Major Player
Join Date: Oct 2002
Location: Albuquerque, New Mexico USA
Posts: 333
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Satish's WAX plugin is amazing, however, because of the limitations of Vegas it will not allow you to run any Virtual Dub plugins that require processing across multiple frames simultaneously. This would include any of VirtualDub's temporal noise reduction plugins. Sorry.
John |
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