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Old 01-23-2011, 09:26 AM   #1
Registered: Jan 2004
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Running Xvidcap (for screen capture ) + audacity (for audio capture) simultaneously

Hello All,

Im trying to create some screencast videos on Ubuntu. As its a well known fact we dont have a very good screencasting too like Camtasia(only windows) on linux.

After googling extensively I zeroed on Xvidcap for screen capturing and Audacity for audio capture.

According to tutorial( first we need to run Xvidcap (do the screen capturing recording first) and then again use Audacity for audio recording .. then mix both video and audio.

I guess this is a pain staking process (running video and audio recording seperately), I thought of running Xvidcap and Audacity simultaneously, if i do this xvicap works perfectly (video capturing happens) but audio capture through audacity does not work.

Note: I even try to run the above tools from seperate terminals/consoles (assuming they are seperate processes)

I even disabled 'audio' in xvidcap and tried to run both at the same time but audacity refuses to work.

I think both the tools are trying to use the same system resources ... and audacity is unable to get hold of the required resources.

Can we run both independently at the same time ?

Kindly help me out. Thanks in advance.
Old 05-19-2011, 08:20 PM   #2
DJ Shaji
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ooh ooh o ! Why use Audacity? Use something like "arecord" or "rec" to record, which are simple utilities and will take up minimum resources, and then import the audio into audacity later.

If I'm not mistaken (and I seldom am), "ffmpeg" can record from the desktop as well (x11grab). You can then feed the stereo mix back to the line-in jack using a cross-over cable and record audio and video simultaneously.
Old 05-20-2011, 03:26 AM   #3
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I usually use ffmpeg for this, something like:


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