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Compressing iTunes songs

4564 Views 7 Replies Latest reply: Nov 25, 2012 1:28 AM by ed2345 RSS
Niku Level 2 Level 2 (285 points)
Currently Being Moderated
Nov 24, 2012 2:11 PM

The sound recording/editing program I have used for years is temporarily (I hope) disfunctional, so I need something to replace it until I can get it fixed. What is an easy way to compress MP3 files? Along those lines, I have been trying various ways of compresssing a 6 MB file, but the result is always just another 6 MB file. I'm talking only about song files in my iTunes library, most of which are in the MP3 format.

iDVD 7.1.1 (1150)
  • ed2345 Level 6 Level 6 (18,400 points)
    Currently Being Moderated
    Nov 24, 2012 7:15 PM (in response to Niku)

    Niku wrote:

     

    The sound recording/editing program I have used for years is temporarily (I hope) disfunctional, so I need something to replace it until I can get it fixed. What is an easy way to compress MP3 files? Along those lines, I have been trying various ways of compresssing a 6 MB file, but the result is always just another 6 MB file. I'm talking only about song files in my iTunes library, most of which are in the MP3 format.

    To make an MP3 smaller, you need to re-encode it at a lower bit rate.  The bit rate can be set by going to Preferences > Import Settings, and choosing a lower bit rate from the Custom menu.

     

    Be aware that the conversion process creates a new MP3 and leaves the original in place, so make sure you are looking at the new one.  Also be aware that compressing an MP3 will irreversibly reduce its audio quality.

  • ed2345 Level 6 Level 6 (18,400 points)
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    Nov 24, 2012 7:49 PM (in response to Niku)

    Niku,

     

    In iTunes, right-click the track in your library and choose "Create MP3 version."  The conversion only takes a few seconds.

  • Limnos Level 8 Level 8 (36,555 points)
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    Nov 24, 2012 7:51 PM (in response to Niku)

    Select a bunch of tracks and let it do them in one go.  Depending upon the speed of your computer and size of the tracks it will only take a few tens of seconds per track to encode.

     

    iTunes: How to convert a song to a different file format - http://support.apple.com/kb/HT1550 - including information about different formats and discussion about compression.

     

    Topic: Need to convert mp4 to mp3 - Zevoneer's post on converting songs - http://discussions.apple.com/message.jspa?messageID=9244740

  • ed2345 Level 6 Level 6 (18,400 points)
    Currently Being Moderated
    Nov 25, 2012 1:28 AM (in response to Niku)

    Niku,

     

    The files listed in iTunes as "MPEG audio" are exactly MP3s.

     

    When you use the iTunes command "Create MP3 version," iTunes will create a new MP3 having the bitrate and other properties according to the current Import Settings, even if the original file is itself an MP3. 

     

    Ed

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