ALAC also known as M4A stands for Apple lossless audio code. This is a high quality music file, created by Apple's data preservation method. Features of ALAC file are similar to FLAC files but not as popular.


Format Description
aac Advanced Audio Coding
mp3 MPEG-1 Audio Layer 3
m4a MPEG-4 Audio Book
wav Waveform audio format
ogg Ogg Vorbis Compressed Audio File
weba WebA Audio File
wma Windows Media Audio
flac Free Lossless Audio Codec
m4b MPEG-4 Audio Book
ac3 Audio Coding 3