Converting MP3s to AAC in OS 10.1.3

I am running Mac OS X 10.1.3 and have recently ordered an iPod. The latest version of iTunes that will work on my system, therefore is 2.0.4 however, this does not allow you to import songs in AAC format (in fact I don't think this format is supported at all in this version), only MP3, WAV and AIFF. because of this I have imported most of my CD collection in MP3 format. I have thought of the iPod+iTunes software, but the  newest version that will work on my system is 2.1b3 and I don't know if it can even convert MP3s to AAC, even though it does support it and I annot find a download of it anywhere. I have tried version tracker, but it just gives me a download of the current version to download.
Does anyone know of a reliable download for this version of the utility or one like it compatible with Mac OS X 10.1.3 that will onvert MP3s to AAC?
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I suggest you to upgrade your OSX 10.1 to the latest version (10.1.5)

Then you can download and install the latest iTunes.

Good luck.
mark_667Author Commented:
I have done as you suggested, but still can't find a way of converting the songs, although it does now allow me to import CD tracks in a additional format (I presume this is AAC, although it is actually just listed as 'Apple losless encoder').

I'm using iTune 4.6 (downloading 4.7 to test your case).

In iTunes you go to menu iTunes -> Preferences -> Importing -> Import using : AAC Encoder.

Close the preferences window.

Go to the main iTunes window, select the mp3 song you want to convert and right click (or Control-Click).  In the contextual menu, there should be "Convert selection to AAC".
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update :

I downloaded 4.7 and installed them.  I can do the same thing.

I read a note that in order for you to be able to encode to AAC you need QuickTime 6.2 or newer.  Please check the version of your quicktime.

Apple Lossless is different than AAC.  It produce hi quality but big size music file.  On average a normal 4-5 min song will ended up around 20-25MB.


Although the AAC format is a bit better than MP3 (ref:, I wouldn't spend the time since the sampling quality of your collection will not improve by performing a conversion on the format your music is stored in.  I would consider leaving the collection in mp3 format for this reason.  If you were looking for the benefits of AAC (mp4), I would resample (re-digitize) the collection. Good Luck!

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Yes, I agree with Delta's comment. :)
quicktime pro i think has an option to convert to mp3
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