4U AVI MPEG Converter is a professional and easy to use video converter that can convert video files from AVI, MPEG, WMV, ASF, MOV, QT to AVI, MPEG, WMV, RM format. You can also extracts audio tracks from video files via 4U AVI MPEG Converter and save into MP3 format. It supports convesion:

AVI to MPEG
AVI to DVD
AVI to VCD
AVI to MPG
AVI to WMV
AVI to RM
AVI to MP3
All video format to MPEG/DVD/VCD/SVCD
All video format to AVI/WMV/RM
Quicktime, MOV convert
Extract audio tracks from video files, and save as MP3 format.
4U AVI MPEG Converter aslo gives you the abilitys to finish above operations with a simple right click on Windows Explorer. and also supports command line for advanced users.