Sofware To Can Use To Extract Sound From Avi File

Can I know which software I can use to extract sound from an avi file...
thanks in advance

virtual dub or virtual dub mod
http://sawatdee.free.fr/generationvideo/lo...ogiciels_en.htm

i used River Past Audio Converter (or extractor, cant remember well) and i took the music from music videos cuz sometimes the video version was different....

the program worked like a charm :)

DWk

thanks for ur replies
DWK, how to get the pass code for the software, pls help..

V-dub is free and easiest