Audio file formats/codecs
AAC (Advanced Audio Coding)
AAC+ / aacPlus / HE-AAC v1
AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga)
AMR-WB (Adaptive Multi-Rate Wideband, .awb)
aptX / apt-X
eAAC+ / aacPlus v2 / HE-AAC v2
FLAC (Free Lossless Audio Codec, .flac)
MIDI
MP3 (MPEG-2 Audio Layer II, .mp3)
OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus)
WMA (Windows Media Audio, .wma)
WAV (Waveform Audio File Format, .wav, .wave)