Restoring VCD - Workflow & software suggestions ?
I have a wedding Video CD (PAL) of my relative that was probably captured from a VHS. The VHS is no more available, so I can only work on the VCD.
My goal is to improve the picture quality of the VCD, to the possible extent. I am interested to know what would be the ideal workflow for this process. In other words, I can rip the VCD using VCDGear to MPG, then do I convert it to AVI for applying some filters, or just directly on the MPG-1 file? Will VirtualDub work for applying the filters? Are there any general software & filter considerations that I need to keep in mind while working with VCD files? It appears that the video has a lot of chroma noise. The faces of people are not very clear. There is a lot of 'noise' in the picture. I would like to do the restoration work and make it as DVD-Video (2 VCDs into one DVD, playable on home DVD Player) Thanks. |
Rip to mpg, no need for avi, as most tools can work with mpg directly. Get virtualdub and the mpeg2 plugin, open and cut a few seconds for us to see the problems. There are various standard filters to fix chroma noise etc.
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Thanks. Will do in about 12 hours when I get home.
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VCD suffers from 3 major problems:
The CNR filter in Avisynth is nowhere near as aggressive, and is my current preferred choice of chroma NR. When opening MPEG-2 in VirtualDub, you want to go to Video > Color Depth and change the input/decompression method to 4:2:2 YUY2. Otherwise it will likely lead to chroma ghosting, due to an MPEG-2 decode bug in VirtualDub. AvsPMod is a great GUI for Avisynth. Some ready-to-use downloads and samples scripts will be made available on the site this month. The packaging is finished, and some of the scripting guides are done. It's not "finished" as planned for long-term, but it'll made for a great short-term update/addition to the site. Keep watch for those. They'll be mentioned in this month's newsletter, when it's sent out. |
Thanks LS. I need to start learning AviSynth. It will be useful for my other video restoration tasks as well. Will probably start with AvsPmod.
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Another problem I noticed is, the VCD would have played well in a VCD Player long ago, but my new DVD Player isn't playing it well. The video (& audio as a result) stutters all along. I guess the guy who encoded the video to VCD didn't use standard tools and compatible bitrates. I ran GSpot and it said the bitrate is VBR. I am aware VCD doesn't support VBR. So need to fix tha somehow. Also, in the VCD folders, I see he included InterVideo player (to play the video when inserted in a computer). So I guess it is all non-standard work. Quote:
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MPEG-1 cannot be interlaced, therefore not an issue. |
Thanks LS.
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