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How do I convert mp4 with 5.1-channel AAC audio to 2-channel stereo
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LiLBrotha
Newbie
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29. March 2009 @ 16:11 |
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I've got an h264 mp4 file that I want to be able to either play from a usb stick or stream to my Xbox 360. The file plays fine on my computer but if I try to play it on the 360 I'm told the format is not supported and get the following error code 69-C00D119A.
I think this is because the file contains 5.1 audio and the 360 does not support this for mp4. Does anyone know how to convert the 5.1 audio to a 2-channel stereo source?
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AfterDawn Addict
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29. March 2009 @ 19:14 |
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Try AviDemux.
Drag the file onto the window.
Set the side menu as shown then click the 'Save' logo.
give the file a new name (include the extension) e.g. newfile.mp4
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LiLBrotha
Newbie
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31. March 2009 @ 18:58 |
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Using this method works but the audio always falls out of sync with the video.
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MajTJKong
Newbie
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22. July 2009 @ 03:10 |
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I also had sync issues when using avidemux as outlined above for mp4 with 5.1-channel AAC audio to 2-ch
This method has worked for me numerous times now:
(1) Demux (extract) the audio stream with Yamb, (2) transcode the 5.1 AAC stream to 2 ch with MediaCoder Audio Edition, and (3) mux the 2ch AAC back into the MP4 w/ the H264 stream with Yamb. Since it only involves reencoding (transcoding) the audio, it doesn't take very long and the video quality will be unaffected
Yamb: http://www.afterdawn.com/software/video_..._tools/yamb.cfm
Mediacoder Audio Edition: http://mediacoder.sourceforge.net/audio/
(1) Demux audio w/ Yamb:
(2) Transcode 6ch AAC to 2ch w/ mediacoder:
Note: Before being able to transcode 5.1 ch AAC to 2 ch you will have to find & paste a enc_aacplus.dll and nscrt.dll to the Mediacoder codecs folder (C:\Program Files\MediaCoder Audio Edition\codecs). If you have WinAmp installed you can find them in its installation folder or if you don't have WinAmp you can probably find them by doing a web search for "enc_aacplus.dll".
http://www.google.com/search?q=enc_aacplus.dll
I found them linked in another vid forum comments at the first search result for me.
Also, the first time you try to run mediacoder it will open a webpage. You can just check the 'do not open next time mediacoder starts' box and then click 'open mediacoder' instead of doing the online setup.
(3) Mux 2ch & vid stream w/ Yamb:
;)
This message has been edited since posting. Last time this message was edited on 22. July 2009 @ 03:22
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Iketani
Newbie
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19. January 2010 @ 16:50 |
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Eh up everyone, I know this is an old thread but I'm looking to ressurect it to see if anyone has any more info or can help me out.
Basically, got a .mp4 clip that contains a 6 channel audio track it seems. Tried to play it on my xbox thinking "Awh great it's already .mp4 should work a treat" but after doing a little research i've read that it has a to be a 2 channel audio track for it to work on the xbox. So followed the guide on this from majTJKong and after a while of some stress I was down to the final hurdle of getting the 2 channel track and mixing it with the original 720p video. Left it to do it's thing and came back to the finished product which was an .mp4 but it just was nothing as in 0 bytes file size. This is what keeps happening or the creation fails. If ANYONE could help me out i'd greatly appreciate it.
Many thanks
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AfterDawn Addict
1 product review
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19. January 2010 @ 18:59 |
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Yamb should have a log, what error do you get?
 Piss me off, and I Will ignore You! |
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Iketani
Newbie
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19. January 2010 @ 19:04 |
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It's saying now everytime I try to mix the video and new 2 channel audio made in Media Coder that there's an error when loading the ISO?
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AfterDawn Addict
1 product review
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19. January 2010 @ 19:15 |
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Piss me off, and I Will ignore You!
This message has been edited since posting. Last time this message was edited on 19. January 2010 @ 19:17
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Iketani
Newbie
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19. January 2010 @ 19:29 |
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I'll give it a go aswell, if I can figure out how to use it.
If not i'll try Yamb tomorrow again (yeah using latest beta version and also tried latest stable version) but when it makes an error i'll post up the log to show what the problem is so you'll have a better idea.
Thanks very much for replying by the way Cyprus.
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Iketani
Newbie
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19. January 2010 @ 19:38 |
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This MeGUI is asking for a AVIScript? (Heh think i'm better off sticking with Yamb if it can work)
This message has been edited since posting. Last time this message was edited on 19. January 2010 @ 19:43
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AfterDawn Addict
1 product review
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19. January 2010 @ 19:44 |
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Go to "Tools"->"MP4 Muxer"
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Iketani
Newbie
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19. January 2010 @ 19:51 |
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Done that and it's having the same problem as Yamb I think...
It's having trouble importing the file?
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AfterDawn Addict
1 product review
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19. January 2010 @ 19:53 |
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Just post the Yamb log. Is it having problems with the video or audio?
Piss me off, and I Will ignore You!
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Iketani
Newbie
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19. January 2010 @ 20:03 |
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The video it seems. Audio is importing fine, it's just when it tries to get the ISO video file? RE-doing it do get a log
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Kyzog
Newbie
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9. February 2010 @ 22:37 |
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I did the pretty much what MajTJKong suggested with MediaCoder with the exception that I've got the all in one install. Selecting the Video tab you can check "Keep Video" and then change the Sound to 2 channel and it will just take about 15-20 minutes to transcode the audio to 2 channel and be playable on your XBox.
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ZOMGbirdy
Newbie
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15. April 2010 @ 03:44 |
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I have an mp4 file with 6ch audio and an 2ch audio in seperate file. I tried adding the files to Yamb but they dont even appear in the input list. I am very confused and have no idea how to fix this. Just two files: the mp4 movie with 6ch, and an 2ch audio file. Why dont they appear in yamb? Im using the latest beta version of yamb on vista. I really want to be able to stream the movie to my xbox. If anyone knows what the problem is help would be appreciated, thanks.
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