They encompass CD quality 2 channel audio, as opposed to the 5.1 channels found in some DVD VOB files.
Quality depends on the encoder used, and can be quite good if done properly.
A usual 2 hour movie will usually require 2 CDs. The original one step DVD to MPEG program. Thanks to Mr. D.J for this guide, and also thanks to MrPSXburner for sending it to us. You'll need a suitable VCD burning software like Nero Burning ROM , you can download a fully working 30 day trial version here . These VCD burning tools will usually check to see if your MPEG-1 file is VCD compliant and will give you a warning if the file isn't compliant.