Audio file de-/encoding question

Discussion in 'Ruby' started by Axel Etzold, Sep 16, 2009.

  1. Axel Etzold

    Axel Etzold Guest

    Dear all,

    I need to convert some *wav files to their spectrum to be able to change some of the frequencies and loudnesses in them and to re-encode these afterwards as *wav files.

    Can you recommend any Ruby libraries that can do this (easily) ?

    Thank you very much!

    Best regards,

    Axel

    --
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    Axel Etzold, Sep 16, 2009
    #1
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  2. Axel Etzold

    Ralf Mueller Guest

    Axel Etzold wrote:
    > Dear all,
    >
    > I need to convert some *wav files to their spectrum to be able to change some of the frequencies and loudnesses in them and to re-encode these afterwards as *wav files.
    >
    > Can you recommend any Ruby libraries that can do this (easily) ?
    >
    > Thank you very much!
    >
    > Best regards,
    >
    > Axel
    >
    >

    Hi Axel,

    never tried it, but ruby/audio (http://hans.fugal.net/src/ruby-audio/)
    may provide the functionality you need. the narray library is part of
    it, which has FFT-processing as a feature.

    hth
    Ralf
     
    Ralf Mueller, Sep 17, 2009
    #2
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