Audio file formats/codecs
AAC (Advanced Audio Coding)
AAC+ / aacPlus / HE-AAC v1
eAAC+ / aacPlus v2 / HE-AAC v2
FLAC (Free Lossless Audio Codec, .flac)
MIDI
MP3 (MPEG-2 Audio Layer II, .mp3)
WMA (Windows Media Audio, .wma)
WAV (Waveform Audio File Format, .wav, .wave)
AC-3