Normalise Sound

Discussion in 'Mac Basics and Help' started by Edward Samara, Sep 13, 2016.

  1. Edward Samara macrumors newbie

    Jun 11, 2014
    On iTunes I can normalise my music, but when I copy them to portable the sound is not normalise so I must increase and decrease on each song, how I can fix that

  2. tjwilliams25 macrumors 6502

    Aug 10, 2014
    Are you transferring to an iOS device? If so, go to Settings>Music and enable Sound Check.
  3. Fishrrman macrumors G5


    Feb 20, 2009
    I don't believe that iTunes modifies the original sound files in any way during "normalizing".
    Rather, iTunes examines the volume level of each file, and then automatically adjusts its own volume during playback.

    The only way to truly "normalize" your files so that the volume levels would be roughly equal amongst ALL your files would be to use a standalone audio app (I can do this with Cubase) to:
    a. open/decompress the file
    b. run a normalization process on it, and
    c. recompress it.

    The problem with the above is that -- if you are using files such as mp3 which are "lossy" to begin with -- you will lose even more audio quality through the decompression/recompression process.

    My advice:
    Leave the files alone.
    Adjust the volume level manually during playback (from a non-iTunes player).
    Less work, less trouble.

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