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I need to record some activity on my desktop with voice , but recordMyDesktop really doesn't provide an acceptable record. Here are two solutions came into my mind ,

  1. strip off the voice from that video , use audacity to remove noise , and put it back , but how ?
  2. directly edit it , but what tool could do it ?

Thanks !

P.S: source file already encoded from .ogv to .avi with mencoder

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Do you know the format of audio file and codec information? In any case it's probably transcoded from one format to MP3/MP2 (while you converted from OGV to AVI) and you'll need to transcode once more if you want to filter noise, which will additionally degrade audio quality – zetah Sep 23 '11 at 6:33
up vote 1 down vote accepted

Your first approach is good one, you can add mp3 in KDENLIVE or Kino or may be several other video editor like pitivi. You can view the full list here

I hope you can find your solution here also.

Some other helping sources:

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