Super VCD (VCD 3.0) uses MPEG-2 for video compression. Generally, it uses two standard CD for a full feature length movie.
Super VCD is used mainly in Asia. Comparing to VCD, it uses MPEG-2 for compression, and able to fit a regular length movie on two standard CD's.
To convert from SVCD(Super VCD), you will need Video Cleaner. To extract audio from SVCD(Super VCD), you will need Audio Converter. Please see the following tutorials.