hi there! ive been searching these forums and gotten some hints, but i still cant figure this out! ive used virtualdubmod tons of times to extract wav files of ogm files. however, when i do the same for mkv, i get an error saying that "no audio decompresser was found to decompress the source audio format" so i looked around n found that mkvextractgui and mkvtoolnix, and i used the program to extract the audio, but it came out as small aac files? are they good quality? i used dvdlab pro to take control of my streams and burn them, but dvdlab pro does not see the aac files! only ac3. but i cant find ANY converter to change aac to ANYTHING, so i can eventually get it 2 ac3! am i missing something here? ive also read about using virtual dub 2 save as mp3 with the lame mp3 codec, but i tried that as well n i got the same error message...any help would be appreciated! thank you very much!