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Converting .wmv to .mp4 - Audio out of sync using VLC - Other recomendations?

1,541 371 January 17, 2012 at 10:54 AM
Hi guys,

I am trying to convert about 20 WMVs over to .mp4 to put on my kindle etc. I used VLC player to convert and I can play back on another device worked but the audio was about 20-30 seconds behind the video.

So in this case I need to slow down the video to match the audio. It doesn't appear VLC supports this. Any other suggestions on what to use?

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#2
avisynth + MeGUI.

If the WMV videos are in sync when you play them back, they will probably be in sync when you use avisynth.
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#3
Thanks Kakomu.

I downloaded both and maybe I am missing something - The avisynth doc refers to VirtualDub many times, do I also need that?

Does MeGUI create the script for avisynth or ??

I didn't get an avisynth executable and if I try to remux in MeGUI, .wmv does not show up on the list of supported files.

Thanks for anything you can give me on this.
-CaKe
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#4
VirtualDub doesn't natively support h.264, however it's not needed for conversion.

Avisynth doesn't have an executable, so don't worry about it.

Easiest way to get started with Avisynth is to create a simple frameserver script. Open up notepad and type the following:

Code:
directshowsource("*video file")
Replace *video file* with the file name of the video file you want to convert. Save the document and replace the .txt extension with .avs. To test the avisynth script, you may want to have Media Player Classic or VirtualDub handy. You can open the file in either program and it should display the video that you listed above.

You can also just open the avisynth file in MeGUI, select your video profile and click "enqueue". You will also need to open the avisynth file up in the audio portion and hit enqueue.

Now, it may seem like a laborious process, but there is a method to the madness. The nice thing about Avisynth is that you can apply all sorts of processing to the video through a simple command structure without a complex video editing suite. For instance, applying inverse telecine, video bobbing, cropping, resizing the frame and other functions is very simple through Avisynth.
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#5
Does handbrake take wmv as a source?
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#6
Aimersoft Total Video Converter [aimersoft.com] if you want to pay for a good product that converts sweetly.
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#7
Freemake video converter - works very well. I've converted wmv to mp4 to put some home video on my ipad, and have not had audio lag.

http://www.freemake.com/free_video_converter/
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#8
Quote from Marcina
:
Freemake video converter - works very well. I've converted wmv to mp4 to put some home video on my ipad, and have not had audio lag.

http://www.freemake.com/free_video_converter/
Thanks this worked GREAT!
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#9
Glad to help!
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