Audio file formats/codecs
AAC (Advanced Audio Coding)
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)