Backing up DVD's

[Wayniac]

From the info you've given I think you're trying to copy films?

OK, DVD is encoded in the MPEG-2 format.This format - even though it's a compressed one - requires heaps of space to store a typcial film, usually over 4 GB worth.

Since a typical cd-r disc can only hold 700MB of data, something's got to give if you intend to put your film on one of these discs: quality. The only way to get your film onto 1 or two cd-r discs is to convert the MPEG-2 format into the MPEG-1 or VideoCD format (VCD). Doing this requires large amounts of space and a fast computer, since your computer will "rip" every single frame of the film and convert it to VCD so that it takes up less space.

Most new DVD players these days will play VCD discs.

The alternative to MPEG-1 is the new MPEG-IV format, but I don't know enough about this format at the moment as regards what results you'll get or whether it will play in a domestic DVD player.

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