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Archived - iTunes 4: About iTunes Store Song Bitrate

This document describes the bitrate for the songs available from the iTunes Store.
This article has been archived and is no longer updated by Apple.
Purchased songs are encoded using MPEG-4 Advanced Audio Coding (AAC) format, a high-quality format that rivals CD quality.

Songs purchased and downloaded from the iTunes Store are AAC Protected files and have a bitrate of 128 kilobits per second (kbit/s).

The purchased song should sound as good as or better than a 160 kbit/s MP3 file. Because the bit rate is lower, though, the AAC file takes less disk space than the MP3 file.

Related documents

93013 iTunes 4: AAC and MP3 Codecs Compared
93012 iTunes 4: About Advanced Audio Coding (AAC)

Last Modified: Feb 19, 2012
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  • Last Modified: Feb 19, 2012
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