Additional Windows Audio Formats
From SqueezeboxWiki
These audio formats may not work out of the box on Windows.
You can find more information on the follow formats:
Media formats (codec comparison)
AAC -
AAC+ -
Apple Lossless -
CD -
DVD -
FLAC -
M3U -
MP3 -
Ogg Vorbis -
WAV -
WMA