How remove audio from Avi video with freeware VirtualDub

More info in here:
arvutiturve.wordpress.com/​2011/​05/​28/​kuidas-eraldada-audio-ehk-heli-videost-et-alles-jaaks-ainult-video/​

VirtualDub is a video capture/processing utility for 32-bit and 64-bit Windows platforms (98/ME/NT4/2000/XP/Vista/7), licensed under the GNU General Public License (GPL). It lacks the editing power of a general-purpose editor such as Adobe Premiere, but is streamlined for fast linear operations over video. It has batch-processing capabilities for processing large numbers of files and can be extended with third-party video filters. VirtualDub is mainly geared toward processing AVI files, although it can read (not write) MPEG-1 and also handle sets of BMP images.