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As the title dictates. How can I make it output the video in, for example, rMD_video1.* and the audio in rMD_audio1.mp4?

If it isn't possible, how can I separate these two? I'm sure it's possible somehow, just don't know how...

For those not aware, the output format for recordMyDesktop is .ogv.

Thanks for your help once again guys! :)

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    Did you mean .ogv? – grawity Jun 1 '13 at 21:49
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I don't know if RecordMyDesktop can do this (I doubt it, since it's probably not a common need). You can split the file with ffmpeg, though:

##  Get the audio:
ffmpeg -i input.ogv -vn -c copy audio.ogg
##  Get the video:
ffmpeg -i input.ogv -an -c copy video.ogv
##  Get both with a single command:
ffmpeg -i input.ogv -vn -c copy audio.ogg -an -c copy video.ogv

If you want the audio in an MP4, you'll want to re-encode it to AAC (AAC is the actual audio codec, while MP4 is a 'container' format, which can contain many different video, audio and subtitle streams). See the AAC encoding guide on the ffmpeg wiki. That wiki also contains useful guides to video encoding - check out the x264 guide if you want to put the video in an MP4.

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