hey, i downloaed a couple of movies (to make backup copies of corse) and they come split up into to avi files... so i downloaded virtualdub and i join them. Once i have them joined as 1 avi file i open up tmpgenc and it will let me choose the video file but not the audio file. i get an error... i have the enviornmental setting changed... and when i try to export a wav from virtual dub, it saves the file, but there is no sound... has any1 encountered this problem, and is there any way to fix it... p.s. - i also have ffdshow installed please help!!!!!!!!!!