Avidemux Add Audio to Video

Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks. It supports many file types, including AVI, DVD compatible MPEG files, MP4 and ASF, using a variety of codecs.Avidemux is available for Linux, BSD, Mac OS X and Microsoft Windows under the GNU GPL license.

Download link: http://fixounet.free.fr/avidemux/down...
Download and Install: Avidemux 2.6.8 v2 Download & Install