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afterdawn.com > forums > archived forums > divx / xvid > converting from ac3 to mp3 without touching video.
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Converting from AC3 to MP3 without touching Video.
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Budvegas
Newbie
_ 		20. December 2009 @ 16:12 _ Link to this message    Send private message to this user   
Hi all

Sorry if this has already been covered.

I am having lots of trouble changing and AVI audio from AC3 to MP3 but leaving the video completely intact.

I have downloaded Virtualdub. Install an AC3 Decompresser and the LAMEMp3 VirtualDubMod.

When I click on the Audio menu the compression option is grayed out.

I have never used VirtualDub before so beginner steps would be excellent (or even links to correct versions of all software/codecs needed).

I can't even work out what to do once the correct settings have been selected.

Really hope someone out there can help.

Thanks

Bud Vegas
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k00ka
Member
_ 		20. December 2009 @ 16:38 _ Link to this message    Send private message to this user   
In Audio options choose 'Full Processing Mode'..
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Budvegas
Newbie
_ 		20. December 2009 @ 16:43 _ Link to this message    Send private message to this user   
Ok but then what do I select under the lame options? It seems to be blank.

Also when I have got past this how do I apply the changes without the AVI file size huge in size.

Sorry If I am being simple. I have never used VDub and can't quite grasp the concept.

Many Thanks
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k00ka
Member
_ 		20. December 2009 @ 16:58 _ Link to this message    Send private message to this user   
The reason the files are "huge" is b/c you need to set a compression in Video options use Xvid MPEG4...And for audio you did install the Lame mp3 ACM codec right?

Edit to add link:
http://users.tpg.com.au/mtam/install_lame.htm
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This message has been edited since posting. Last time this message was edited on 20. December 2009 @ 17:00
Budvegas
Newbie
_ 		20. December 2009 @ 17:01 _ Link to this message    Send private message to this user   
Ah I see

Ok now when I go into video Compression I do not have the MPEG XVID option.

Sorry to be a spaz
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k00ka
Member
_ 		20. December 2009 @ 17:09 _ Link to this message    Send private message to this user   
You need to install the Xvid codec..
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Budvegas
Newbie
_ 		20. December 2009 @ 17:42 _ Link to this message    Send private message to this user   
excellent. sound now working. only problem I have now is slight sync issues audio is slightly behind the video.

also the aspect ratio of the video has changed......how can I keep this the same as the source?

many thanks so far

bud
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jony218
Suspended due to non-functional email address
_ 		20. December 2009 @ 18:36 _ Link to this message    Send private message to this user   
You can also try avidemux, keep the video on copy, change the audio to mp3. See if that works better for you.
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cyprusrom
AfterDawn Addict

1 product review
_ 		21. December 2009 @ 14:50 _ Link to this message    Send private message to this user   
Originally posted by jony218:
 You can also try avidemux, keep the video on copy, change the audio to mp3. See if that works better for you.

Much better...

@Budvegas
"Converting from AC3 to MP3 without touching Video"- the method described with VDub does not do that. The video should be copied, like jon suggested, not re-compressed.
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Piss me off, and I Will ignore You!
Budvegas
Newbie
_ 		23. December 2009 @ 15:30 _ Link to this message    Send private message to this user   
Hi people

Used Avidemux

Works fine Got sound playing back though the usb port on my TV.

Only problem I have now is I have set the the size to 16.9 and the video is stretched?!?!?!?

Almost as iff I need it to change it to letter box.

Any Ideas

Many Thanks

Bud
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Budvegas
Newbie
_ 		24. December 2009 @ 17:55 _ Link to this message    Send private message to this user   
Any help with this would be greatly appreciated.

Many Thanks

Bud
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Related links
Download the latest AC3 Filter from here. It's 100% freeware and you need it in order to play 5.1 DivX movies!
 
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