Windows media - MediaCoder free media transcoding solutions (Open Source)

MediaCoder is a free universal batch media transcoder, which nicely integrates most popular audio/video codecs and tools into an all-in-one solution. With a flexible and extendable architecture, new codecs and tools are added in constantly as well as supports for new devices. MediaCoder intends to be the swiss army knife for media transcoding in all time and at this moment, it already has millions of users from 170+ countries all over the planet (mediacoder.sourceforge.net).



This software can do many thing like convert to and from many audio and video compression formats ,re-multiplex into various container formats in batchesFull control over transcoding parameters, you can learn about audio/video encoding and play with various codecsStrong decoding capability for partial or corrupted contentsSimplified UI for popular mobile devices (e.g. PSP, iPod) Fully standalone, no dependance on system codecs/splitters Extension (scripting language) infrastructure to expand user interfaces and improve user experience.



This software support many audio and video format, and has many improvement in compression (reducing size for audio and video files), can do ripping and repairing corrupted or partial download media files, can extracting audio from video files and converting audio and video to other format.

Go to official web site and you'll see many information that this free software is very useful for working on multimedia files.

Links:
http://mediacoder.sourceforge.net/