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I used to use a mixer of some kind and I can't remember which...

I would like to record audio from the output, without leaving the computer. I remember in the Jaunty days you could easily enable different inputs and outputs as passthroughs of sorts from the sound preferences.

How can I achieve this functionality on 10.04 and beyond?

I don't favor any particular way, be it digital, analog, pulse or alsa... I can support any solution.

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    @Jay For simultaneous recording, I simply used Sound Recorder's File→New option to start a second recorder. That showed up in pavucontrol as a separate stream and I set it to record from my microphone.
    – user151313
    Apr 22, 2013 at 18:26

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Wow, that was quick...I feel guilty for posting this, but I have been struggling to find an answer so I hope this helps someone else:

Taken from http://ubuntuforums.org/showthread.php?t=1440833 does exactly what I was looking for...tested and working. The term I used to find the solution was "record internal audio" rather than output/input keywords.

To sum it up:

  • Install pavucontrol (PulseAudio Volume Control) using apt-get or the Ubuntu Software Center.

  • Open PulseAudio Volume Control. It should be in the applications menu under Sound and Video.

  • Open Sound Recorder and start recording. Playing any sound at this point would be helpful, as your level indicator should react once you have finished.

  • Go to the "Recording" tab in the PulseAudio Volume Control window.

  • Make sure that "Applications" is selected in the drop down menu on the "Recording" tab.

  • Choose "Monitor of Internal Audio Analog Atereo" from the "Record Stream from" menu in the Sound Recorder entry of the application list.

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    Hey TryTryAgain, this was really useful and got me on the right track. I can now successfully record my audio output. I'm wondering if you have had any luck recording both input and output simultaneously?
    – Jay
    Mar 29, 2013 at 14:28
  • @Jay you should open a new question for that, to better help others in the future. askubuntu.com/questions/57319/… will help with simultaneous output (and has been a help to me) not sure if that can help for recording...doubtful, as far as simultaneous recording of input...I have not ever tested or come across anything, sorry.
    – TryTryAgain
    Mar 29, 2013 at 18:04
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    Bonus tip, make sure "Monitor of …" is unmuted on the "Input Devices" tab. You should be able to see the level display moving.
    – Benjamin Peter
    Jun 17, 2021 at 9:28
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In case VLC does not recognize the pulse:// protocol to record the pulseaudio stream, install the pulse plugin using apt-get install vlc-plugin-pulse.

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