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Thread: Recording Sound above a Threshold

  1. #1
    Join Date
    Jun 2006
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    London, England
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    Ubuntu 11.10 Oneiric Ocelot

    Recording Sound above a Threshold

    Hi All.

    I'm not too sure of the correct terminology to describe what it is I am trying to do, but, here's a qualitative description: I am looking for some software that will open my line in/microphone, and 'listen' to the sounds. If the sound exceeds a certain threshold, then to record the sound to file.

    A good example (though not what I have in mind) is for a laptop to be running on a table, and as someone enters the room and speaks, it is recorded - But the recording does not continue on endlessly, it stops some moments after the loud sounds stop and is ready for the next loud sounds?

    I hope that makes sense? Any solution is viable, no real constraints. Just for an idea I've had!

    Thanks for your time.

    George Smart, M1GEO.
    Last edited by Compu-king; July 18th, 2013 at 12:47 PM.
    George Smart, M1GEO

    PhD Research Student, Electronic & Electrical Engineering, University College London
    Dell Precision 1600, 8GB RAM, Intel Xeon E31225 3.10GHz CPU, 5TB HDD, nVidia Quadro 600.

  2. #2
    Join Date
    Jun 2006
    Location
    London, England
    Beans
    85
    Distro
    Ubuntu 11.10 Oneiric Ocelot

    Re: Recording Sound above a Threshold

    Coming back to answer my own question, Audacity does this:

    From the Transport menu > Sound Activated Recording (On/Off) and Sound Activation Level... are the options.

    Just so this thread had an answer, and can be marked resolved.
    George Smart, M1GEO

    PhD Research Student, Electronic & Electrical Engineering, University College London
    Dell Precision 1600, 8GB RAM, Intel Xeon E31225 3.10GHz CPU, 5TB HDD, nVidia Quadro 600.

  3. #3
    Join Date
    Oct 2008
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    3,509

    Re: Recording Sound above a Threshold

    Your post triggered my memory to this post if Audacity isn't exactly what you were looking for...
    http://ubuntuforums.org/showthread.php?t=2086649

    Developers thread ------> http://ubuntuforums.org/showthread.php?t=1672679
    Last edited by stinkeye; July 18th, 2013 at 01:52 PM.

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