iPod can play songs encoded with these codecs:
Compatible sample rates
iPod can play songs with the these sample rates, and with all compatible codecs:
- 8 kHz
- 11.025 kHz
- 16 kHz
- 22.050 kHz
- 32 kHz
- 44.1 kHz
Audible Spoken Word files
iPod Software 1.2 and later can play Audible spoken word files in formats 2, 3, and 4. These files have the filename extension, ".aa".
iTunes 4 and iTunes 4 for Windows work with Audible spoken word files.
iPod cannot play songs that use these audio formats:
- WAV with compression
- WMA and WMA Protected
- any other format not in the Compatible codecs list
If you copy a song that uses one of the incompatible codecs from your iTunes Library to iPod, you can select the song on iPod, but it will not play. Instead, iPod skips to the next song in the playlist.
Note: The iPod has upgradeable firmware that enables Apple to add more codecs in the future, if necessary. In iTunes 7, you can update the iPod Software. For more information see "How to update iPod."