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Thread: Dynamic Range Compression

  1. #1
    Join Date
    Oct 2007
    Ubuntu 10.04 Lucid Lynx

    Question Dynamic Range Compression

    Does anyone know if there is any utility, preferably one that is available for installation through the Ubuntu repositories, that is capable of performing Dynamic Range Compression on audio files?

    To immediately clear up any possible misunderstandings, what I'm talking about is dynamic range compression - this is _NOT_ the same as space compression (such as encoding to mp3, etc).

    What I'm looking for is a utility, preferably commandline-based, that can perform DRC on files, and save the result back to a file. (for example: decode an mp3, perform DRC on the audio, and re-encode to a new mp3)

    Thanks in advance.

  2. #2
    Join Date
    Aug 2005
    Fargo, ND, USA
    Kubuntu 10.04 Lucid Lynx

    Re: Dynamic Range Compression

    Audacity has a compressor/expander, but it's not scriptable as far as I know.
    Help yourself: Search the community docs or try other resources.
    Quote Originally Posted by Henry Spencer
    Those who do not understand Unix are condemned to reinvent it, poorly.
    Let science use your computer when you aren't: Folding@Home.

  3. #3
    Join Date
    Sep 2008

    Re: Dynamic Range Compression

    I see that the thread is a little old. I believe this is what you are looking for if you haven't found it yet...



  4. #4
    Join Date
    Apr 2008
    Ubuntu 9.10 Karmic Koala

    Re: Dynamic Range Compression

    There are a number of dynamic compression utilities available in the LADSPA plugin set. If you are using ardour/jack or some other jack application, they are available in jack-rack.

    If you just want to normalize the volume of your mp3s or something like that, some players like audacious and xmms and I think amarok have plugins for that.

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