Media Converter allows you to convert all kinds of media formats to popular media formats: mp3, mp4 (mpeg4/h264,aac), ogg (theora, flac) , avi (mpeg4, mp3), mpeg (mpeg1, mp2), flv (flv, mp3), gif and wav. Also audio profiles: m4a (aac-audio only), 3ga (aac-audio only), oga (flac-audio only) are available for convenience.

You may also chop/clip a media file, or extract the audio to make a ring tone.
You may also crop and rotate to output video.
You may specify the parameters including video/audio bit rate, resolution, frame rate, audio sample rate.

It is easy to pick/specify the parameters with the special designed UI.

LGPL ffmpeg is used.