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-   -   How to convert DVD (from VHS source) for sharing online? (http://www.digitalfaq.com/forum/video-web/2651-how-convert-dvd.html)

BlazingSpeed 12-11-2010 01:20 PM

How to convert DVD (from VHS source) for sharing online?
 
Hello all,

I have a video project that I've gotten hung up with, so I need some help.

I recently had some VHS media ripped and put onto a DVD in order to preserve them (not sure which format it's in). Thing is, I also want to put them up online.

What I need to know is: how do I set this thing up so that I'm able to share it in a high quality format on sites like Youtube, Veoh, and others.

I know that different sites have different formats, and re-encoding them for more than one site can be tricky, but I really want to do this ASAP.

I've read on other sites that I would have to "deinterlace the video", "mask or crop the overscan", and "re-encode in the H.264 or XVID format" before sharing, but as I am a total newb at this sort of thing, I have no idea how to do any of that, so detailed instructions would be greatly appreciated.

kpmedia 12-14-2010 02:24 AM

DVD-Video is MPEG-2 GOP-medium encoding, stored in non-square pixels. VHS was an interlaced video format with an overscan. What this means is your original VHS video is full of lines, with noise all around the edges, and the DVD version is also compressed with a too-large wrong-shape video for using online It has to be cleaned up and re-compressed for online viewing.

You'll want three basic tools for this:

1. Avisynth, with the appropriate import/deinterlace plugins. It's freeware.

2. VirtualDub, for further cleanup, cropping, resize to 4:3 or 16:9 square pixel aspect ratio, and lossless output encoding (i.e., HuffYUV lossless codec) as an intermediary for re-encode to high-compression format. Also a freeware program (no cost, donations encouraged).

3. An encoder capable of good H.264 -- this is what sticks most people, because professional encoders cost $K-range (example: MainConcept Reference), and freeware leaves you wanting for quality. The one exception may be x264, but it's a command-line tool. The available third-party x264 GUIs tend to be unstable, making it hard to use. If you happen to have a pro NLE like Adobe Premiere Pro CS3/CS4/CS5, or current versions of Vegas Pro, then you can import the AVI, drop to timeline, then export with their MainConcept SDK encoders. That's a good second-choice option. The best encodes come out of Reference, and skilled encoders know how to fully tweak all the various settings.

However, if you're relying on a third-party site like Youtube, then you can encode out to an alternative codec. Youtube, of course, must re-encode that content, using their justly-criticized choice of software and settings, which results in reduced quality. Alternate codecs include Windows Media (WMV), Divx and Xvid.

I'll look at adding a guide on this sometime in late December or early January, which goes over the long process of conversion.


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