List of Supported iPod Touch Audio Formats
The supported audio formats for the seventh-generation iPod Touch include:
AAC-LCApple LosslessAudible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+)Dolby Digital (AC-3)Dolby Digital Plus (E-AC-3)FLACHE-AACHE-AAC v2Linear PCMMP3Protected AAC
