This software offers a solution to users who want to add audio to their video file, or replace an existing audio stream (track) with a new one. It allows you to easily add the audio from an MP3 or WAV to a WMV, AVI, MOV, MPG or FLV file. Also, it maintains the quality of the audio stream that you added to your video.
This software has a straight-forward installation process and instructions. It also has a well-done, easy to understand interface and has won multiple usability awards.