MKVToolPack 2.1

MKVToolPack... Rip audio, video, subtitle tracks out of Matroska movies, combining them into MP4, converting them into MOV.
Utilizing several command-line tools, MKVToolPack will let you create and manipulate multimedia files. MKVToolPack users can rip (or batch-rip) media tracks out of Matroska container movies. They can use these ripped raw stream tracks to create MP4 container movies. Also, use MKVToolPack to edit MP4 container movies by copying, cutting, pasting and trimming frames or deleting/inserting audio tracks and finally exporting (re-compressing) them to MOV and other media formats. Or create Matroska container movies with raw stream clips.