MP3/MP4 secure format converter?

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Lots of marware are embedded inside media data.

Is there some clean converter, which I can use to convert MP3 oder MP4 into some clean 100% malwarefree format?

The best would be, if it is possible also to transfer all files of a folder together (if it is more than one).

E.g. Download of the Coursera-MP4 files into one folder, press a conert-button (or right mouse click on the folder - "convert media in secure formats" - vola).

[Marek Marczykowski-Górecki]

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I'm not aware of any existing such converter, but it could be
implemented similar to our PDF converted - "play" the file in DispVM,
sending raw, uncompressed video and audio stream back to original VM
(which should be easy to verify), then compress it back and store in
some file, even in the same format as original.

- --
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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Hi Marek,

sounds perfect, especially if there will be also the mass-conversion for the hole folder with MP3/4 files and if possible there could be also some virtual fast play, so that the conversion time is don't takes the full play-length.

Kind Regards