Audio file formats/codecs
AAC (Advanced Audio Coding)
AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga)
FLAC (Free Lossless Audio Codec, .flac)
M4A (MPEG-4 Audio, .m4a)
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)
3GA
OGA
AWB
MID
XMF
MXMF
IMY
RTTTL
RTX
OTA
APE
DSF
DFF