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Old 16 Feb 2006, 01:54 PM   #1
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Default No audio mpg

I took an avi file which played fine on my pc. I converted it to a mpg and there was no audio. Any help. Thanks.
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Old 16 Feb 2006, 01:58 PM   #2
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Please provide more information about the tool(s) and how you converted it

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Old 16 Feb 2006, 02:33 PM   #3
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Used TMPGEnc. Been an excellent program in the past.
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Old 16 Feb 2006, 03:42 PM   #4
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Please download and install the newest ffdshow from the link below and also raise the DirectShow of the Envirpnmental setting's VFAPI plug-in to higher priority such as 2. Please post back and let us know more about the result

http://ffdshow.sourceforge.net/tikiw...etting+ffdshow

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Old 16 Feb 2006, 03:58 PM   #5
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FAQ

No Audio on Output File After Using TMPGEnc
This is usually caused by the compression on the audio of the source file. If it is an AVI file it is very common. With an AVI file the easiest things to do here are set DirectShow Multimedia File Reader's priority to 2 or even better demcompress the audio.

To change the priority of DirectShow, this is done simply by clicking option - environmental setting. Click the VFAPI plug-in tab. You will see DirectShow in the list usually with a priority of -1. Right click on the NAME (not the priority) and click higher priority until the priority is 2 and it is at the top of the list. To decompress the audio for better results, do the following with VirtualDUB...

1. Click Video - Direct Stream Copy.
2. Click Audio - Full Processing Mode.
3. Click Audio - Compression. Select and click ok
4. Click File - Save AVI and try it with TMPGEnc.
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Old 16 Feb 2006, 08:57 PM   #6
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"3. Click Audio - Compression. Select and click ok"

VirtualDub unable to find an audio decompressor - tag 2000
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Old 17 Feb 2006, 02:16 AM   #7
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I think that you need the AC3 ACM Decompressor to open the AC3 files in VirtualDub and TMPGEnc. Please go to the link below and download it:

http://www.videohelp.com/tools?tool=372

Also, you may need the AC3 Filter too:

http://www.videohelp.com/tools?tool=186

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Last edited by benbryant; 17 Feb 2006 at 02:19 AM
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Old 17 Feb 2006, 03:41 AM   #8
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ben is right, be sure to follow the installation instructions for the acm decompressor. in this guide it shows how to make just a wav audio file from the ac3 one these items are intalled.
http://forum.digital-digest.com/showthread.php?t=56454

you can use that wav as the audio input for tmpgenc, rather than making a whole new avi.
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Old 19 Feb 2006, 05:27 AM   #9
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Thanks everyone. Good reading and learned plenty. VirtualDub is powerful. The one program that I really liked was ConvertX2DVD. Thanks again.
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Old 19 Feb 2006, 05:28 AM   #10
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glad we could help
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