Decompress the aaudio in an AVI before you ever use it with TMPGEnc, do this by doing the following! IOpen the AVI in Virtualdub 1. Click video - direct stream copy 2. aclick audio - full processing mode 3. click audio - compression, select no compression pcm and click ok! 4. click file - save as AVI! Now try the AVI saved with TMPGEnc! after using this method i found that i lost few gaphic..