transfer audio from mkv to audio of xvid

[suerpflysocal]

I have two copies of one movie. One is an mkv which is english AAC 5.1 audio, however the video is not that great. Another is a high bitrate xvid, which ironically the video is much better than the mkv file. The audio is however is a foreign language (i think russian) ac-3 5.1 sound. The length of both movies are exactly the same. So i want to dub the englich audio aac from the mkv to the xvid video and create a new xvid with avi container. How should I go about doing this?

What I have tried is using MKVmergeGUI (MKVToolNix) to strip the aac audio from the mkv and get a .mka file. I have also merged it with the xvid file using the same tool to create an mkv file with the english audio. It works fine, no lip sync issues, except that I really want to keep the original avi container and not mkv, since some of my portable players cannot do mkv.

I think i could just use virtualmoddub to make the avi but i believe it requires ac3 audio and not .aac or .mka. So i have tried to convert the 5.1 aac to ac3 without success. I have managed to get it to a .wav but i am not sure f it is still 5.1 anymore (forgot what i used to get it to wav).

I was told Mediacoder might be able to go aac to ac3 but i can't figure out how to make a ac3 with mediacoder (too many options)

Please give me detailed steps, i haven't done conversion like this in a while and most of the software is new to me.

[redwudz]

A couple of programs I have used for similar problems: tsMuxer and eac3to. The first can extract or combine files and the second can convert audio formats. The WAV file may contain all the tracks. Try dropping it into MediaInfo and it should tell you. And since MKV is just a container, the video may be one of several formats.

I can't give you exact guides, as I am just learning the programs myself. eac3to has a GUI available. There are also some guides at the bottom of their tool pages.

[suerpflysocal]

tsmuxer can handle more than just .ts files?

can eac3to handle aac files?

[poisondeathray]

Use mkvextractgui (put the exe in the same mkvtoolnix folder) to extract the aac audio

eac3to can handle aac=>ac3 conversion. Belight, behappy, megui, foobar2000 are other options

Once you get your 5.1AC3 audio, you can re-mux a new avi with avi-mux gui (it supports both mkv and avi) - so take the video from the xvid/avi and put in the new AC3 track

[suerpflysocal]

Use mkvextractgui (put the exe in the same mkvtoolnix folder) to extract the aac audio

eac3to can handle aac=>ac3 conversion. Belight, behappy, megui, foobar2000 are other options

Once you get your 5.1AC3 audio, you can re-mux a new avi with avi-mux gui (it supports both mkv and avi) - so take the video from the xvid/avi and put in the new AC3 track

thanks, i think this sounds promising. is eac3to pretty straightforward in going from aac to ac3?

just installed and had a look at it. im at work so i don't have the files to play with but it looks a little challenging. do i need any helper program in the gui other than eac3to.exe?

[poisondeathray]

no, it's a bit tricky if you're not use to the gui or don't know how to use the command line version

here is an easier way:

1) open the mkv in avidemux
2) audio sidebar ac3 (aften) configure button, put 384
3) audio (top menu) => save with extension (e.g. "newaudio.ac3")

4) open the xvid/avi in avidemux
5) video sidebar => copy
6) audio sidebar => copy
7) format sidebar => avi
8.) audio (top menu) => main track => audio source => external ac3 (point to the new ac3 track)

9) press save with extension (e.g "mynewvideo.avi")

cheers

[suerpflysocal]

cool! ill try this when i get home.

[suerpflysocal]

Works like a charm!!!

Thanks for providing detail on what to do, otherwise i would have been lost with that program.