With its nice GUI, format Junkie comes with lots of options, and supports various multimedia files including audio, video, image, iso/cso formats, and also an advanced feature to join audio/video files or encode subtitles.
Specifically, the following media files are supported:
Conversion between the audio formats: mp3, mp2, wav, ogg, wma, flac, m4r, m4a and aac
Conversion between the video formats: avi, ogv, vob, mp4, vob, flv, 3gp, mpg, mkv, wmv
Conversion between the image formats: jpg, png, ico, bmp, svg, tif, pcx, pdf, tga, pnm
Create an iso with selected files, convert iso to cso and vice versa.
Join videos, join audio files or encode subtitles to an avi file (to use advanced feature, you need to install mencoder package).
Making use of Ubuntu's Unity environment, Format Junkie brings a great integration with the Ubuntu desktop including notifications, progress bar and counter in the Unity launcher bar.
For your info, this handy multimedia tool is one of applications that was submitted to the App Showdown Ubuntu, a contest to promote the development of applications for Ubuntu OS, organized by Canonical.
Install Format Junkie in Ubuntu
Run the following commands in Terminal (one command at a time):
sudo add-apt-repository ppa:hakermania/format-junkie sudo apt-get update sudo apt-get install formatjunkie
At the time of writing, Format Junkie is only available for Ubuntu 12.04 LTS.
For more information, visit https://launchpad.net/~hakermania/+archive/format-junkie