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Old 12 Dec 2009, 09:12 AM   #1
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Question-2 AVI is huge. Help1

Hi
I am totally a noob at this.

I have a DVD I bought that I don't like how low the volume is.

I went from DVD to Avi to fix this.

My file loads great and the Avi is over a GB

I used Virtualdub, went full, and adjusted the volume all the way up.

Then I saved as Avi. I ran out of space. I think it was about 90GB. It was not done.

I did play the partial file and it sounded perfect.

I did find posts on this issue, but no solution.

Any tips?


Thank you all in advance and Happy Holiday's.
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Old 12 Dec 2009, 10:25 AM   #2
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I'm not adept at VirtualDub. But I think there are several other ways you can do what you want without converting to AVI. You could demux the audio stream you want to adjust. A couple of tools that will let you do this easily are AviDemux or TMPGEnc free version.

For AviDemux you load the first vob file to the title set. It should ask if you want the whole title set loaded and indexed. Click Ok or Yes to do it. Then in the Audio Menu select the audio track and save it.

With TMPGEnc free version close the conversion wizard and open the Mpeg Tools from the File menu. Choose simple demux if there's only one audio stream.

In either case you have the audio file. Use any audio tool that lets you adjust the volume, for instance Audacity, which is free.

After you adjust the volume and save the audio file, you just mux that file back in with the video.

In AviDemux Audio menu select External File for the main track audio source.
Then just do a Save with Copy in both the video and audio pull-down settings.
Save it as MPEG ps system file video + audio.

In TMPGEnc free version, just use simple multiplex. Select the video stream you saved previously and the adjusted audio file for the audio stream. Enter a name for the output .mpg file. Hit Go and it should combine them to an .mpg file. Or you can just author using an authoring program that accepts video and audio streams(such as DVDAuthorGui.) Either way you should be able to author a VIDEO_TS folder from there.

Way faster than converting to .avi.

You could also use dedicated muxing tools. I just haven't messed with them to learn to use them directly. Again, the apps I use launch them to do the actual work.

Last edited by MilesAhead; 12 Dec 2009 at 01:45 PM Reason: additional details and fix typos
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Old 12 Dec 2009, 03:40 PM   #3
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Then I saved as Avi. I ran out of space.
When you saved as avi, you did NOT specify any compression for Video. Nor did you select "Direct stream copy" for Video. Since your original 1 GB avi has no problems with video, you should make a "direct stream copy" of video and full processing of audio.
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Last edited by paglamon; 12 Dec 2009 at 03:43 PM
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Old 12 Dec 2009, 04:05 PM   #4
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I'll give it a try.
Thanks


EDIT:

That did it!!

1.67 GB Old 2.7 GB New and it's perfect.

Thanks

Last edited by PurpleDemon; 12 Dec 2009 at 04:12 PM
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Old 12 Dec 2009, 07:25 PM   #5
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1.67 GB Old 2.7 GB New
And the increase in size by 1.03 GB is due to increase of audio bitrate ?
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Old 13 Dec 2009, 03:45 AM   #6
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Yes. I would assume so. It was very low and I maxed it.
Sounds excellent now.

This is my first project of this kind.

Thanks again
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Old 13 Dec 2009, 03:55 AM   #7
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Hi Ya Paglamon,

I think You should consider writing a "Dummy-Proof Guide" for VDub ... you know like the ones Cynthia used to make in the Good Old Days on this Forum!

Wishing All Happy Holidays!

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