Syncronize audio and video in an avi file

For Playback only

In the VLC Preferences, click on Audio and then tick the Advanced options checkbox; there is an Audio desynchronization compensation setting that allows you to set a positive or negative time delay between the video and audio tracks in milliseconds. [Fix Desynchronized Video and Audio with VLC http://lifehacker.com/367558/fix-desynchronized-video-and-audio-with-vlc]

To re-encode: http://www.misterhowto.com/index.php?category=Computers&subcategory=Video&article=synchronize_sound_with_mencoder