MP4, WebM, Matroska, AVI, Ogg, FLV, H.264, VP8, MPEG4, DivX, MPEG2, Theora, AAC, MP3, Vorbis, Speex, WAV, etc.
Untuk:
Android, Computer, PSP, PS3, DVD Player, iPhone, iPod, iPad, Nokia N Series, etc.
Cara instalasi
Install dulu dependensinya (Ubuntu 11.04/10.10/10.04,) buka terminal:
sudo apt-get install gstreamer0.10-plugins-bad-multiverse gstreamer0.10-plugins-ugly-multiverse
Insalasi Arista Transcoder:
sudo add-apt-repository ppa:ferramroberto/natty
sudo apt-get update
sudo apt-get install arista
Sumber: http://www.upubuntu.com/2011/06/convert-media-files-on-ubuntu-with.html