How do I convert an AC3 audio file or DivX with AC3 to an audio file?
If you have a DivX with AC3 start here if you only have an AC3 file skip to step 2. 1. First open the DivX in Virtualdub, select under Audio->Direct Stream Copy and File->Save as Wav to save the ac3, name it as file.ac3 because Virtualdub will NOT convert it to wav only copy the ac3 audio to a single file. 2. Convert the AC3 audio to MP2 audio with BeSweetGUI, you find a guide over at doom9 here if you don’t how to use it. (If you get an error when converting to mp2 you could try the azid in besweet instead. Download first azid. Click on azid2 in the besweet. Select azid.exe and the ac3 as source and select a new wav and convert to wav and last do you convert the wav to mpeg audio with TMPGEnc, select the wav as audio source when converting in next step). 3. Now do you follow the Tmpgenc encode guide as usual but you leave the audio source empty and encode. 4. Last do you multiplex, join the video together with the mp2 audio, read here how and then burn or cut the video as usual. If th
